diff --git a/.codebuddy/.gitignore b/.codebuddy/.gitignore
new file mode 100644
index 0000000..9f4c740
--- /dev/null
+++ b/.codebuddy/.gitignore
@@ -0,0 +1 @@
+db/
\ No newline at end of file
diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..913e40d
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,18 @@
+# 构建上下文排除项，减小镜像体积
+**/__pycache__/
+**/*.pyc
+**/*.pyo
+
+# IDE / 版本控制
+.codebuddy/
+**/.git/
+**/.idea/
+**/.vscode/
+
+# Docker 自身
+Dockerfile
+docker-compose.yml
+.dockerignore
+
+# 文档
+*.md
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..b6b1ecf
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,10 @@
+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 已忽略包含查询文件的默认文件夹
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
diff --git a/.idea/inspectionProfiles/profiles_settings.xml b/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000..105ce2d
--- /dev/null
+++ b/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..c3f1c77
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Black">
+    <option name="sdkName" value="Python 3.14 (沃林学生管理系统)" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.14 (.venv)" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..808b041
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/../../ai/.idea/ai.iml" filepath="$PROJECT_DIR$/../../ai/.idea/ai.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/沃林学生管理系统.iml" filepath="$PROJECT_DIR$/.idea/沃林学生管理系统.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/沃林学生管理系统.iml b/.idea/沃林学生管理系统.iml
new file mode 100644
index 0000000..822f348
--- /dev/null
+++ b/.idea/沃林学生管理系统.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="jdk" jdkName="Python 3.14 (.venv)" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module" module-name="ai" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..8d48324
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,28 @@
+# ============================================
+#  沃林学生管理系统 (Docker)
+#  FastAPI + SQLAlchemy + PyMySQL -> MySQL 8
+# ============================================
+FROM python:3.11-slim
+
+# 运行环境：不生成 .pyc、日志实时输出、pip 不缓存
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1
+
+WORKDIR /app
+
+# 1) 先装依赖（利用层缓存，改代码不必重装）
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt \
+    -i https://pypi.tuna.tsinghua.edu.cn/simple
+
+# 2) 拷贝应用代码
+COPY . .
+
+# 3) static 为空目录时 COPY 不会生成，手动补上(main.py 挂载时需要)
+RUN mkdir -p static
+
+EXPOSE 8001
+
+# 4) 启动流程：建表 -> 灌种子数据(seed_data 有幂等检查,可重复执行) -> 启动服务
+CMD ["sh", "-c", "python -c 'from database import init_db; init_db()' && python seed_data.py && exec python main.py"]
diff --git a/__pycache__/database.cpython-314.pyc b/__pycache__/database.cpython-314.pyc
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diff --git a/api/__init__.py b/api/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/api/__pycache__/__init__.cpython-314.pyc b/api/__pycache__/__init__.cpython-314.pyc
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diff --git a/api/__pycache__/analysis.cpython-314.pyc b/api/__pycache__/analysis.cpython-314.pyc
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diff --git a/api/__pycache__/class_api.cpython-314.pyc b/api/__pycache__/class_api.cpython-314.pyc
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diff --git a/api/__pycache__/counselor_api.cpython-314.pyc b/api/__pycache__/counselor_api.cpython-314.pyc
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diff --git a/api/__pycache__/employment.cpython-314.pyc b/api/__pycache__/employment.cpython-314.pyc
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diff --git a/api/__pycache__/score.cpython-314.pyc b/api/__pycache__/score.cpython-314.pyc
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diff --git a/api/__pycache__/student.cpython-314.pyc b/api/__pycache__/student.cpython-314.pyc
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diff --git a/api/__pycache__/teachers.cpython-314.pyc b/api/__pycache__/teachers.cpython-314.pyc
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diff --git a/api/analysis.py b/api/analysis.py
new file mode 100644
index 0000000..1645dad
--- /dev/null
+++ b/api/analysis.py
@@ -0,0 +1,51 @@
+from fastapi import FastAPI,APIRouter,Depends
+from schemas.analysis import (AnalysisStudentInfoAge,AnalysisStudent_score,AnalysisStudent_score60
+,AnalysisStudent_score_class,AnalysisStudent_employments_salary)
+from dao.analysis import (student_info_age,student_info_class,student_score,student_score_class,student_employments_salary
+,student_employments_time,student_employments_class_time,student_score60)
+from database import get_db
+from sqlalchemy.orm import Session
+
+router = APIRouter(prefix="/analysis", tags=["统计分析"])
+
+#动态年龄范围查询：支持用户输入年龄阈值及比较条件（如大于、小于、等于、区间等），动态查询符合条件的学员信息
+@router.get("/studnet_info/age",summary="动态年龄范围查询")
+async def student_info_age1(student:AnalysisStudentInfoAge = Depends(),db: Session = Depends(get_db)):
+    return student_info_age(db, student.min_age, student.max_age, student.operator)
+
+#多维度班级统计：统计每个班级的总人数，以及按性别（男、女）细分的人数分布
+@router.get("/studnet_info/class",summary="多维度班级统计")
+async def student_info_class1(db: Session = Depends(get_db)):
+    return student_info_class(db)
+
+#查询每次考试成绩都在输入分数线（如80分）以上的学生的编号、姓名和成绩。
+@router.get("/studnet_score",summary="查询每次考试成绩都在输入分数线以上的学生")
+async def student_score1(s_n:AnalysisStudent_score = Depends(),db: Session = Depends(get_db)):
+    return student_score(db,s_n.s_n)
+
+#查询有输入指定次数（如两次(包含两次)）以上不及格的学生的姓名、班级和不及格成绩明细。
+@router.get("/studnet_score60",summary="查询有输入指定次数（如两次(包含两次)）以上不及格的学生")
+async def student_score60_1(n:AnalysisStudent_score60 = Depends(),db: Session = Depends(get_db)):
+    return student_score60(db,n.n)
+
+#统计每次考试每个班级的平均分，并支持按分数从高到低或从低到高动态排序。
+@router.get("/studnet_score_class",summary="统计每次考试每个班级的平均分")
+async def student_score_class1(order:AnalysisStudent_score_class = Depends(),db: Session = Depends(get_db)):
+    return student_score_class(db,order.order)
+
+#查询查询就业薪资排名前n的学生
+@router.get("/studnet_employments_salary",summary="查询查询就业薪资排名前n的学生")
+async def student_employments_salary1(n:AnalysisStudent_employments_salary = Depends(),db: Session = Depends(get_db)):
+    return student_employments_salary(db,n.n)
+
+#统计每个学生的就业时长
+@router.get("/studnet_employments_time",summary="每个学生的就业时长(天)")
+async def student_employments_time1(db: Session = Depends(get_db)):
+    return student_employments_time(db)
+
+#统计每个班级的平均就业时长（仅统计进入就业阶段，即有就业开放时间的学生）
+@router.get("/studnet_employments_class_time",summary="每个班级的平均就业时长(天)")
+async def student_employments_class_time1(db: Session = Depends(get_db)):
+    return student_employments_class_time(db)
+
+
diff --git a/api/class_api.py b/api/class_api.py
new file mode 100644
index 0000000..a707d7b
--- /dev/null
+++ b/api/class_api.py
@@ -0,0 +1,115 @@
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.orm import Session
+from typing import Optional
+
+
+from database import get_db # 按你项目实际路径改
+from dao.class_dao import ClassDAO
+from schemas.class_scheme import (
+    ClassCreate,
+    ClassUpdateBase,
+    ClassHeadTeacherUpdate,
+    ClassTeachersUpdate,
+    ClassDelete,
+    ClassDetail,
+    ClassPageResult,
+    BatchDeleteResult,
+)
+
+router = APIRouter(prefix="/api/classes", tags=["班级管理"])
+
+
+@router.post("", response_model=ClassDetail, summary="新增班级")
+def create_class(req: ClassCreate, db: Session = Depends(get_db)):
+    try:
+        return ClassDAO.create(db, req)
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+
+
+
+@router.get("", response_model=ClassPageResult, summary="分页查询班级列表")
+def list_classes(
+    page_num: int = Query(1, ge=1),
+    page_size: int = Query(10, ge=1, le=100),
+    class_name: Optional[str] = None,
+    head_teacher_id: Optional[int] = None,
+    db: Session = Depends(get_db),
+):
+    total, rows = ClassDAO.list_page(
+        db, page_num, page_size, class_name, head_teacher_id
+    )
+    return ClassPageResult(total=total, items=rows)
+
+
+
+@router.put(
+    "/batch-delete",
+    response_model=BatchDeleteResult,
+    summary="批量逻辑删除/恢复班级",
+)
+def batch_delete(req: ClassDelete, db: Session = Depends(get_db)):
+    count = ClassDAO.batch_toggle_delete(db, req)
+    return BatchDeleteResult(affected_count=count)
+
+
+
+@router.get("/{class_id}", response_model=ClassDetail, summary="查询班级详情")
+def get_class(class_id: int, db: Session = Depends(get_db)):
+    data = ClassDAO.get_by_id(db, class_id)
+    if not data:
+        raise HTTPException(status_code=404, detail="班级不存在或已删除")
+    return data
+
+
+
+@router.put(
+    "/{class_id}/base",
+    response_model=ClassDetail,
+    summary="更新班级基础信息",
+)
+def update_class_base(
+    class_id: int, req: ClassUpdateBase, db: Session = Depends(get_db)
+):
+    try:
+        data = ClassDAO.update_base(db, class_id, req)
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+    if not data:
+        raise HTTPException(status_code=404, detail="班级不存在或已删除")
+    return data
+
+
+
+@router.put(
+    "/{class_id}/head-teacher",
+    response_model=ClassDetail,
+    summary="调整班主任",
+)
+def update_head_teacher(
+    class_id: int, req: ClassHeadTeacherUpdate, db: Session = Depends(get_db)
+):
+    try:
+        data = ClassDAO.update_head_teacher(db, class_id, req)
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+    if not data:
+        raise HTTPException(status_code=404, detail="班级不存在或已删除")
+    return data
+
+
+@router.put(
+    "/{class_id}/teachers",
+    response_model=ClassDetail,
+    summary="更新授课老师",
+)
+def update_teachers(
+    class_id: int, req: ClassTeachersUpdate, db: Session = Depends(get_db)
+):
+    try:
+        data = ClassDAO.update_teachers(db, class_id, req)
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+    if not data:
+        raise HTTPException(status_code=404, detail="班级不存在或已删除")
+    return data
\ No newline at end of file
diff --git a/api/counselor_api.py b/api/counselor_api.py
new file mode 100644
index 0000000..8fb887b
--- /dev/null
+++ b/api/counselor_api.py
@@ -0,0 +1,68 @@
+from datetime import datetime
+
+from fastapi import HTTPException, APIRouter, Depends
+from sqlalchemy.orm import Session
+
+
+from dao.counselor_dao import add_counselor, query_counselor,\
+    update_counselor, delete_counselor_id
+from database import get_db
+from schemas.counselor_scheme import CounselorCreate, DeleteCounselor, UpdateCounselor
+
+router = APIRouter(
+    prefix="/counselor",
+    tags=["顾问管理"]
+)
+
+@router.post("/counselors/")
+def counselor_create(cou: CounselorCreate,
+                     db:Session=Depends(get_db)):
+    date_obj=(datetime.strptime(cou.c_time,"%Y-%m-%d"))
+    data= {
+        "id":cou.id,
+        "name":cou.name,
+        "c_time":date_obj.date()
+    }
+    add_counselor(db,data["id"], data["name"],data["c_time"])
+    return {"message":"新增成功"}
+
+@router.get("/{id}")
+def get_counselor(id:int, db:Session=Depends(get_db)):
+    cou = query_counselor(db, id)
+    if not cou:
+        raise HTTPException(404,detail="顾问不存在")
+    return {"data":cou}
+
+# @router.get("/counselors/{name}")
+# async def counselor_get_name(name,db:Session=Depends(get_db)):
+#     res=query_counselor_name(db,name)
+#     return {"message":"根据名字查询成功","data":res}
+
+@router.delete("/{id}")
+async def counselor_del_id(dele:DeleteCounselor,
+                           db:Session=Depends(get_db)):
+    delete_counselor_id(db,dele.id)
+    return {"message":"根据id删除成功"}
+
+# @router.delete("/counselors/{name}")
+# async def counselor_del_name(name:str,
+#                            db:Session=Depends(get_db)):
+#     delete_counselor_name(db,name)
+#     return {"message":"根据姓名删除成功"}
+
+@router.put("/{id}")
+async def update_tea(id:int,update:UpdateCounselor,db:Session=Depends(get_db)):
+    date_obj = datetime.strptime(update.c_time, "%Y-%m-%d")
+    res=update_counselor(db,id=id,
+                        new_name=update.name,
+                        new_c_time=date_obj
+                        )
+    if res.get("msg")=="没找到顾问信息":
+        raise HTTPException(404,detail="顾问不存在")
+    return {"msg":"修改成功","data":res}
+
+
+# @router.put("/counselors/{name}")
+# async def counselor_update_name(id:int,name:str,c_time:datetime,db:Session=Depends(get_db)):
+#     res=query_counselor_name(db,id,name,c_time)
+#     return res
diff --git a/api/employment.py b/api/employment.py
new file mode 100644
index 0000000..c4768ab
--- /dev/null
+++ b/api/employment.py
@@ -0,0 +1,113 @@
+from fastapi import APIRouter,Depends, HTTPException,Query
+from sqlalchemy.orm import Session
+from database import get_db
+from dao.employments import get_student_id,get_class_id,add_update_employment,get_student_multi_condition
+from dao.student import get_student_by_id
+from schemas.employments import Emp_Class,Emp_add_update,Emp_multi_Conditions
+from typing import List,Optional
+from dao.employments import delete_employment
+router = APIRouter(
+    prefix="/employment", tags=["学生就业管理"]      # 该路由下所有路径的前缀
+)
+
+# 1. GET /employment/students/{student_id} 获取单个学生就业信息
+@router.get("/students/{student_id}", response_model=Emp_Class, summary="获取单个学生就业信息")
+def get_student_employment(student_id: str, db: Session = Depends(get_db)):
+    stu = get_student_by_id(db, student_id)
+    if not stu:
+        raise HTTPException(status_code=404, detail="学生不存在")
+    isbool = get_student_id(db, student_id)
+    if not isbool:
+        raise HTTPException(status_code=404, detail="学生不存在")
+    return Emp_Class(
+        id=stu.id,
+        name=stu.name,
+        class_name=stu.class_name,
+        offer_open=isbool.offer_open if isbool else None,
+        offer_review=isbool.offer_review if isbool else None,
+        emp=isbool.emp if isbool else None,
+        sal=isbool.sal if isbool else None,
+        is_deleted=isbool.is_deleted
+    )
+
+
+# 2. GET /employment/class/{class_id} 获取班级全部学生就业信息
+@router.get("/class/{class_id}", response_model=List[Emp_Class], summary="获取班级下所有学生就业信息")
+def get_class_employment(class_id: str, db: Session = Depends(get_db)):
+    rows =get_class_id(db, class_id)
+    result_list = []
+    for stu, isbool in rows:
+        if not stu:
+            raise HTTPException(status_code=404, detail="学生不存在")
+        if not isbool:
+            raise HTTPException(status_code=404, detail="学生不存在")
+        result_list.append(Emp_Class(
+            id=stu.id,
+            name=stu.name,
+            class_name=stu.class_name,
+            offer_open=isbool.offer_open if isbool else None,
+            offer_review=isbool.offer_review if isbool else None,
+            emp=isbool.emp if isbool else None,
+            sal=isbool.sal if isbool else None,
+            is_deleted=isbool.is_deleted
+        ))
+    return result_list
+
+# 3. POST /employment/students/{student_id} 添加/更新就业信息
+@router.post("/students/{student_id}", response_model=Emp_Class, summary="新增或更新学生就业信息")
+def upsert_student_employment(
+    student_id: str,
+    emp_data: Emp_add_update,
+    db: Session = Depends(get_db)
+):
+    stu = get_student_by_id(db, student_id)
+    if not stu:
+        raise HTTPException(status_code=404, detail="学生不存在，请先创建学生基础信息")
+    emp = add_update_employment(db, student_id, emp_data, stu)
+
+    return Emp_Class(
+        id=stu.id,
+        name=stu.name,
+        class_name=stu.class_name,
+        offer_open=emp.offer_open,
+        offer_review=emp.offer_review,
+        emp=emp.emp,
+        sal=emp.sal,
+        is_deleted=emp.is_deleted
+    )
+#多条件查询
+@router.get("/query", response_model=List[Emp_Class], summary="多条件查询就业信息")
+def multi_query_employment(
+        mid: Optional[str] = Query(default=None, title="学生id", description="主键"),#title是前端可以看到的输入框内容
+        name: Optional[str] = Query(default=None, title="学生姓名"),
+        min_sal: Optional[float] = Query(default=None, ge=0, title="最低薪资"),
+        max_sal: Optional[float] = Query(default=None, ge=0, title="最高薪资"),
+        db: Session = Depends(get_db)
+):
+    rows = get_student_multi_condition(db, mid, name, min_sal, max_sal)
+    result_list = []
+
+    for stu, isbool in rows:
+        result_list.append(Emp_Class(
+            id=stu.id,
+            name=stu.name,
+            class_name=stu.class_name,
+            offer_open=isbool.offer_open if isbool else None,
+            offer_review=isbool.offer_review if isbool else None,
+            emp=isbool.emp if isbool else None,
+            sal=isbool.sal if isbool else None,
+            is_deleted=isbool.is_deleted if isbool else False  # ← 修复了 NoneType 报错
+        ))
+
+    return result_list
+
+
+@router.post('/deleted',summary="逻辑删除学生就业信息")
+def delete_emp( student_id:str,db: Session = Depends(get_db)):
+    delete_employment(db,student_id)
+    if delete_employment(db,student_id):
+        return f"学生id:{student_id}删除成功"
+    else:
+        raise HTTPException(status_code=404, detail="学生不存在，请先创建学生基础信息")
+
+
diff --git a/api/score.py b/api/score.py
new file mode 100644
index 0000000..083c4bb
--- /dev/null
+++ b/api/score.py
@@ -0,0 +1,40 @@
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.orm import Session
+from database import get_db
+from dao.scores import add_score,query_id,query_er,query_sc,update_sc,delete_sc
+
+router = APIRouter(prefix="/scores", tags=["考核成绩管理"])
+@router.post("/add", summary="按考核序次录入考核成绩") #1.录入成绩的路由
+def add_score_api(id: str = Query(..., description="学生ID"), #用于校验学生ID是否存在
+                  exam_round: int = Query(..., description="考核序次"), #用于校验同一学生同一考核序次是否重复录入
+                  score: int = Query(..., ge=0, le=100, description="成绩（0-100）"), #录入的成绩
+                  db: Session = Depends(get_db)):
+    return add_score(db=db, id=id, exam_round=exam_round, score=score)
+
+@router.get("/query/id", summary="按学生ID查询成绩") #2. 按学生ID查询的路由
+def query_id_api(id: str = Query(..., description="学生ID"),
+                 db: Session = Depends(get_db)):
+    return query_id(db=db, id=id)
+
+@router.get("/query/round", summary="按考核序次查询成绩") #3. 按考核序次查询的路由
+def query_er_api(exam_round: int = Query(..., description="考核序次"),
+                 db: Session = Depends(get_db)):
+    return query_er(db=db, exam_round=exam_round)
+
+@router.get("/query/score", summary="按成绩查询记录") #4. 按成绩查询的路由
+def query_sc_api(score: int = Query(..., ge=0, le=100, description="成绩"),
+                 db: Session = Depends(get_db)):
+    return query_sc(db=db, score=score)
+
+@router.put("/update", summary="根据学生ID和考核序次修改成绩") #5. 修改成绩的路由
+def update_sc_api(id: str = Query(..., description="学生ID"), #根据学生ID
+                  exam_round: int = Query(..., description="考核序次"), #根据考核序次
+                  score: int = Query(..., ge=0, le=100, description="新的成绩"), #修改的成绩值
+                  db: Session = Depends(get_db)):
+    return update_sc(db=db, id=id, exam_round=exam_round, score=score)
+
+@router.delete("/delete", summary="根据学生ID和考核序次删除成绩") #6. 删除成绩（软删除）
+def delete_sc_api(id: str = Query(..., description="学生ID"), #根据学生ID
+                  exam_round: int = Query(..., description="考核序次"), #根据考核序次
+                  db: Session = Depends(get_db)):
+    return delete_sc(db=db, id=id, exam_round=exam_round)
\ No newline at end of file
diff --git a/api/student.py b/api/student.py
new file mode 100644
index 0000000..593f43d
--- /dev/null
+++ b/api/student.py
@@ -0,0 +1,113 @@
+from fastapi import APIRouter, Depends, HTTPException
+from pymysql import IntegrityError
+from sqlalchemy.orm import Session
+from typing import List
+from model.classes_model import Classes
+from dao.student_dao import update_student
+from database import get_db
+from model.student_info import Student
+from schemas.student_info import StudentCreate, StudentUpdate, StudentResponse,student_date
+
+router = APIRouter(prefix="/students", tags=["学生基本信息"])
+
+# 1. 查询
+@router.get("", response_model=List[StudentResponse], summary="查询学生")
+def list_students(
+        id: str = None,
+        name: str = None,
+        class_name: str = None,
+        db: Session = Depends(get_db)
+):
+    query = db.query(Student).filter(Student.is_deleted == False)
+    if id:
+        query = query.filter(Student.id == id)
+    if name:
+        query = query.filter(Student.name.like(f"%{name}%"))
+    if class_name:
+        query = query.filter(Student.class_name == class_name)
+    return query.all()
+
+
+# 2. 创建
+@router.post("", response_model=StudentResponse, summary="创建新学生")
+def create_student(student: StudentCreate, db: Session = Depends(get_db)):
+    # 调用校验函数 如果入学日期存在，就把它变成字符串；如果不存在，就赋值为空
+    enroll_str = student.enrollment_date.strftime("%Y-%m-%d") if student.enrollment_date else None
+    grad_str = student.graduation_date.strftime("%Y-%m-%d") if student.graduation_date else None
+    date_check_result = student_date(enroll_str, grad_str)
+
+    #如果不存在，直接抛出异常中断请求
+    if date_check_result != "时间校验通过":
+        raise HTTPException(status_code=400, detail=date_check_result)
+    #  检查学号是否已存在
+    exist = db.query(Student).filter(Student.id == student.id).first()
+    if exist:
+        raise HTTPException(status_code=400, detail=f"学号 {student.id} 已存在")
+
+    # 不存在的班级导致外键约束报错
+    class_exists = db.query(Classes).filter(
+        Classes.class_name == student.class_name,
+    ).first()
+    if not class_exists:
+        raise HTTPException(status_code=400,detail=f"班级 '{student.class_name}' 不存在，请检查输入是否正确！")
+
+    # 3. 构建数据库模型对象 一个个赋值
+    db_student = Student(
+        id=student.id,
+        name=student.name,
+        gender=student.gender,
+        class_name=student.class_name,
+        age=student.age,
+        hometown=student.hometown,
+        graduate_school=student.graduate_school,
+        major=student.major,
+        education=student.education,
+        enrollment_date=student.enrollment_date,
+        graduation_date=student.graduation_date,
+        status=student.status,
+        is_deleted=False
+    )
+    db.add(db_student)
+    db.commit()
+    db.refresh(db_student)
+    return db_student #返回响应
+
+
+# 3. 详情
+@router.get("/{id}", response_model=StudentResponse, summary="获取特定学生信息")
+def get_student(id: str, db: Session = Depends(get_db)):
+    student = db.query(Student).filter(
+        Student.id == id,
+        Student.is_deleted == False
+    ).first()
+    if student is None:
+        raise HTTPException(status_code=404, detail="学生不存在或已删除")
+    return student
+
+
+# 4. 更新
+@router.put("/{id}", response_model=StudentResponse, summary="更新学生信息")
+def api_update_student(id: str, payload: StudentUpdate, db: Session = Depends(get_db)):
+    try:
+        student = update_student(db, id, payload)
+        if student is None:
+            raise HTTPException(status_code=404, detail="学生不存在或已删除")
+        return student
+    except IntegrityError:
+        db.rollback()
+        raise HTTPException(status_code=400, detail="更新失败：指定的班级不存在，请先创建对应班级！")
+
+
+
+# 5. 逻辑删除
+@router.delete("/{id}", summary="逻辑删除学生")
+def delete_student(id: str, db: Session = Depends(get_db)):
+    student = db.query(Student).filter(
+        Student.id == id,
+        Student.is_deleted == False
+    ).first()
+    if student is None:
+        raise HTTPException(status_code=404, detail="学生不存在或已删除")
+    student.is_deleted = True
+    db.commit()
+    return {"message": f"学生 {id} 已逻辑删除，数据仍保留在库中"}
\ No newline at end of file
diff --git a/api/teachers.py b/api/teachers.py
new file mode 100644
index 0000000..87f68ea
--- /dev/null
+++ b/api/teachers.py
@@ -0,0 +1,66 @@
+from datetime import datetime
+
+from fastapi import APIRouter, HTTPException
+from fastapi.params import Depends
+from sqlalchemy.orm import Session
+
+from dao.teachers_dao import add_teachers, del_teachers, update_teachers, search_teachers, \
+    search_teachers_by_id, get_teacher_classes
+from database import get_db
+from schemas.req import AddTeacher, DeleteTeacher, UpdateTeacher
+
+router=APIRouter(prefix="/teacher",tags=["老师管理"])
+@router.post("/teachers")
+async def create_teacher(tea:AddTeacher,db:Session=Depends(get_db)):
+    date_obj=datetime.strptime(tea.t_created,"%Y-%m-%d")  # 将字符串转时间
+    data={
+        "t_name":tea.t_name,
+        "t_gender":tea.t_gender,
+        "t_phone":tea.t_phone,
+        "t_subject":tea.t_subject,
+        "t_created":date_obj
+    }
+    res=add_teachers(db, data["t_name"],data["t_gender"],data["t_phone"],data["t_subject"],data["t_created"])
+    return {"msg":"新增成功","data":res}
+
+@router.delete("/{t_id}")
+def delete_teacher(dele:DeleteTeacher,db:Session=Depends(get_db)):
+    res=del_teachers(db,t_id=dele.t_id,t_name=dele.t_name)
+    if res.get("msg") == "没找到老师信息":
+        raise HTTPException(404, detail="老师不存在")
+    return {"msg": "删除成功"}
+
+
+@router.put("/{t_id}")
+async def update_tea(t_id:int,update:UpdateTeacher,db:Session=Depends(get_db)):
+    date_obj = datetime.strptime(update.t_created, "%Y-%m-%d")
+    res=update_teachers(db,t_id=t_id,
+                        new_name=update.t_name,
+                        new_gender=update.t_gender,
+                        new_phone=update.t_phone,
+                        new_subject=update.t_subject,
+                        new_created=date_obj
+                        )
+    if res.get("msg")=="没找到老师信息":
+        raise HTTPException(404,detail="老师不存在")
+    return {"msg":"修改成功","data":res}
+
+@router.get("/list")
+def list_teachers(db:Session=Depends(get_db),page:int=1,size:int=3):
+    res=search_teachers(db,page,size)
+    return res
+
+
+@router.get("/{t_id}")
+def get_one(t_id:int, db:Session=Depends(get_db)):
+    tea = search_teachers_by_id(db, t_id)
+    if not tea:
+        raise HTTPException(404,detail="老师不存在")
+    return {"data":tea}
+
+@router.get("/{t_id}/classes")
+async def get_classes(t_id:int, db:Session=Depends(get_db)):
+    data=get_teacher_classes(db, t_id)
+    if not data:
+        raise HTTPException(404,detail="老师不存在")
+    return {"data":data}
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diff --git a/dao/analysis.py b/dao/analysis.py
new file mode 100644
index 0000000..cc83a45
--- /dev/null
+++ b/dao/analysis.py
@@ -0,0 +1,125 @@
+from fastapi import Query,Depends
+from sqlalchemy import func, case
+from model.student_info import Student
+from model.employments import Employments
+from model.scores import Scores
+from sqlalchemy.orm import Session
+
+#student_info学生基本信息
+#动态年龄范围查询：支持用户输入年龄阈值及比较条件（如大于、小于、等于、区间等），动态查询符合条件的学员信息
+def student_info_age(db: Session,min_age:int ,max_age:int ,operator:str,):
+    if operator not in("大于","大于等于","小于","小于等于","区间"):
+        raise ValueError("输入比较格式不正确，请在规定范围内选择输入")
+    else:
+        q = db.query(Student)
+        if operator == "大于":
+            q = q.filter(Student.age > min_age)
+        elif operator == "大于等于":
+            q = q.filter(Student.age >= min_age)
+        elif operator == "小于":
+            q = q.filter(Student.age < min_age)
+        elif operator == "小于等于":
+            q = q.filter(Student.age <= min_age)
+        else:  # 区间
+            q = q.filter(Student.age >= min_age, Student.age <= max_age)
+        print(q.all())
+        return q.all()
+
+#多维度班级统计：统计每个班级的总人数，以及按性别（男、女）细分的人数分布
+def student_info_class(db: Session):
+    s1 = (db.query(Student.class_name,
+                   func.count(Student.id).label("总人数"),
+                   func.sum(case((Student.gender=="男",1),else_=0)).label("男"),
+                   func.sum(case((Student.gender=="女",1),else_=0)).label("女"))
+          .group_by(Student.class_name).all())
+
+    return [
+        {
+            "class_name": row.class_name,
+            "总人数": row.总人数,
+            "男": row.男,
+            "女": row.女,
+        }for row in s1
+    ]
+
+
+
+    #student_score学生成绩
+#查询每次考试成绩都在输入分数线（如80分）以上的学生的编号、姓名和成绩。
+def student_score(db: Session,s_n : int):
+    s1 = db.query(Scores.id).group_by(Scores.id).having(func.min(Scores.score)>=s_n).all()
+    s1_ids = [row[0] for row in s1]
+    if not s1_ids:
+        return []
+    s2 = (db.query(Student.id,Student.name,Scores.exam_round,Scores.score)
+          .join(Student, Scores.id == Student.id)
+          .filter(Scores.id.in_(s1_ids)).all())
+    return [{"id": i.id, "name": i.name, "exam_round": i.exam_round, "score": i.score}
+        for i in s2]
+#查询有输入指定次数（如两次(包含两次)）以上不及格的学生的姓名、班级和不及格成绩明细。
+def student_score60(db: Session,n : int ):
+    s1 = (db.query(Scores.id).group_by(Scores.id)
+    .having(func.sum(case((Scores.score < 60, 1), else_=0)) >=n)
+          .all())
+    s1_ids = [row[0] for row in s1]
+    if not s1_ids:
+        return []
+    s2 = (db.query(Student.name,Student.class_name,Scores.exam_round,Scores.score)
+          .join(Student, Scores.id == Student.id)
+          .filter(Scores.id.in_(s1_ids)).all())
+    return [{"id": i.name, "name": i.class_name, "exam_round": i.exam_round, "score": i.score}
+        for i in s2]
+#统计每次考试每个班级的平均分，并支持按分数从高到低或从低到高动态排序。
+def student_score_class(db: Session,order: str = "desc"):
+    s1 = (db.query(Scores.exam_round,
+            Student.class_name,
+            func.avg(Scores.score).label("平均分"),).join(Student, Scores.id == Student.id)
+          .group_by(Student.class_name,Scores.exam_round))
+    if order == "desc":
+        res = s1.order_by(func.avg(Scores.score).desc()).all()
+    else:
+        res = s1.order_by(func.avg(Scores.score).asc()).all()
+    return [row._asdict() for row in res]
+
+
+    #student_employments
+#查询查询就业薪资排名前n的学生
+def student_employments_salary(db: Session,n:int):
+    s1 = db.query(Employments).order_by(Employments.sal.desc()).limit(n).all()
+    return s1
+
+#统计每个学生的就业时长
+def student_employments_time(db: Session):
+    time = []
+    all_ = db.query(Employments).all()
+    for employments in all_:
+        if employments.offer_review  is None:
+            time.append({"name":employments.student.name,
+                         "class_name": employments.student.class_name,
+                         "status": "未就业"})
+        elif employments.offer_open and employments.offer_review:
+            time.append({"name":employments.student.name,
+                         "class_name": employments.student.class_name,
+                         "time": (employments.offer_review-employments.offer_open).days})
+    return time
+
+#统计每个班级的平均就业时长（仅统计进入就业阶段，即有就业开放时间的学生）
+def student_employments_class_time(db: Session):
+    s1 = (db.query(Student.class_name,
+                   func.avg(
+                       func.unix_timestamp(Employments.offer_review) -
+                       func.unix_timestamp(Employments.offer_open))
+                   .label("avg_time"))
+                    .join(Student, Employments.id == Student.id)
+                    .filter(Employments.offer_review.isnot(None))
+                    .group_by(Student.class_name).all())
+    time = []
+    for i in s1:
+        days = round(float(i.avg_time) / 86400, 2) if i.avg_time else 0
+        time.append({
+            "class_name": i.class_name,
+            "平均时长（天）": days
+        })
+    return time
+
+
diff --git a/dao/class_dao.py b/dao/class_dao.py
new file mode 100644
index 0000000..a8bb657
--- /dev/null
+++ b/dao/class_dao.py
@@ -0,0 +1,178 @@
+from sqlalchemy.orm import Session
+from typing import Optional, List, Tuple
+
+from model.classes_model import Classes
+from model.teachers import Teacher
+from schemas.class_scheme import (
+    ClassCreate,
+    ClassUpdateBase,
+    ClassHeadTeacherUpdate,
+    ClassTeachersUpdate,
+    ClassDelete,
+)
+
+
+class ClassDAO:
+
+    # ---------- 创建 ----------
+    @staticmethod
+    def create(db: Session, req: ClassCreate) -> Classes:
+        # 1) 班级名唯一
+        exists = (
+            db.query(Classes)
+            .filter(Classes.class_name == req.class_name)
+            .first()
+        )
+        if exists:
+            raise ValueError("班级名称已存在")
+
+        # 2) 班主任存在
+        head_teacher = (
+            db.query(Teacher).filter(Teacher.t_id == req.head_teacher_id).first()
+        )
+        if not head_teacher:
+            raise ValueError("班主任不存在")
+
+        # 3) 授课老师全部存在
+        teachers: List[Teacher] = []
+        if req.teacher_ids:
+            teacher_ids = set(req.teacher_ids)
+            teachers = (
+                db.query(Teacher).filter(Teacher.t_id.in_(teacher_ids)).all()
+            )
+            if len(teachers) != len(teacher_ids):
+                raise ValueError("部分授课老师不存在")
+
+        data = req.model_dump(
+            exclude={"teacher_ids"},
+            exclude_none=True,
+        )
+        db_class = Classes(**data)
+        db_class.teachers = teachers
+
+        db.add(db_class)
+        db.commit()
+        db.refresh(db_class)
+        return db_class
+
+
+    @staticmethod
+    def get_by_id(db: Session, class_id: int) -> Optional[Classes]:
+        return (
+            db.query(Classes)
+            .filter(
+                Classes.class_id == class_id,
+                Classes.class_delete == False,  # noqa: E712
+            )
+            .first()
+        )
+
+    # ---------- 分页 ----------
+    @staticmethod
+    def list_page(
+        db: Session,
+        page_num: int,
+        page_size: int,
+        class_name: Optional[str] = None,
+        head_teacher_id: Optional[int] = None,
+    ) -> Tuple[int, List[Classes]]:
+        query = db.query(Classes).filter(Classes.class_delete == False)  # noqa: E712
+
+        if class_name:
+            query = query.filter(Classes.class_name.like(f"%{class_name}%"))
+        if head_teacher_id is not None:
+            query = query.filter(Classes.head_teacher_id == head_teacher_id)
+
+        total = query.count()
+        rows = (
+            query.order_by(Classes.class_id.desc())
+            .offset((page_num - 1) * page_size)
+            .limit(page_size)
+            .all()
+        )
+        return total, rows
+
+
+    @staticmethod
+    def update_base(
+        db: Session, class_id: int, req: ClassUpdateBase
+    ) -> Optional[Classes]:
+        db_class = ClassDAO.get_by_id(db, class_id)
+        if not db_class:
+            return None
+
+        data = req.model_dump(exclude_unset=True, exclude_none=True)
+
+        # 改班级名要查重
+        new_name = data.get("class_name")
+        if new_name and new_name != db_class.class_name:
+            exists = (
+                db.query(Classes)
+                .filter(
+                    Classes.class_name == new_name,
+                    Classes.class_id != class_id,
+                )
+                .first()
+            )
+            if exists:
+                raise ValueError("班级名称已存在")
+
+        for k, v in data.items():
+            setattr(db_class, k, v)
+
+        db.commit()
+        db.refresh(db_class)
+        return db_class
+
+    @staticmethod
+    def update_head_teacher(
+        db: Session, class_id: int, req: ClassHeadTeacherUpdate
+    ) -> Optional[Classes]:
+        db_class = ClassDAO.get_by_id(db, class_id)
+        if not db_class:
+            return None
+
+        teacher = (
+            db.query(Teacher).filter(Teacher.t_id == req.head_teacher_id).first()
+        )
+        if not teacher:
+            raise ValueError("班主任不存在")
+
+        db_class.head_teacher_id = req.head_teacher_id
+        db.commit()
+        db.refresh(db_class)
+        return db_class
+
+
+    @staticmethod
+    def update_teachers(
+        db: Session, class_id: int, req: ClassTeachersUpdate
+    ) -> Optional[Classes]:
+        db_class = ClassDAO.get_by_id(db, class_id)
+        if not db_class:
+            return None
+
+        teacher_ids = set(req.teacher_ids)
+        teachers = (
+            db.query(Teacher).filter(Teacher.t_id.in_(teacher_ids)).all()
+        ) if teacher_ids else []
+        if len(teachers) != len(teacher_ids):
+            raise ValueError("部分授课老师不存在")
+
+        db_class.teachers = teachers
+        db.commit()
+        db.refresh(db_class)
+        return db_class
+
+    @staticmethod
+    def batch_toggle_delete(db: Session, req: ClassDelete) -> int:
+        count = (
+            db.query(Classes)
+            .filter(Classes.class_id.in_(req.class_ids))
+            .update(
+                {"class_delete": req.deleted},
+                synchronize_session=False,
+            )
+        )
+        db.commit()
+        return count
\ No newline at end of file
diff --git a/dao/counselor_dao.py b/dao/counselor_dao.py
new file mode 100644
index 0000000..520ce1f
--- /dev/null
+++ b/dao/counselor_dao.py
@@ -0,0 +1,82 @@
+#创建方法
+from datetime import date
+
+from sqlalchemy.orm import sessionmaker, Session
+
+from model.counselor import Counselor
+
+
+#增
+def add_counselor(db:Session,id: int,name:str,c_time:date):
+    c1 = Counselor(
+        id=id,
+        name=name,
+        c_time=c_time,
+        c_de=False
+    )
+    try:
+        db.add(c1)
+        db.commit()
+        db.refresh(Counselor)
+        return "添加成功"
+    except Exception as e:
+        print(e)
+
+#删
+def delete_counselor_id(db:Session,id:int):
+    res=db.query(Counselor).filter(Counselor.id == id).first()
+    res.c_de=True
+    db.commit()
+    return "删除成功"
+
+def delete_counselor_name(db:Session,name:str):
+    db.query(Counselor).filter(Counselor.name==name).delete()
+    db.commit()
+    db.refresh(Counselor)
+    return "删除成功"
+
+#改,根据id修改
+def update_counselor(db:Session,id:int,new_name,new_c_time):
+    counselor=db.query(Counselor).filter(Counselor.id==id,Counselor.c_de==False).first()
+    if not counselor:
+        return {"msg":"没找到顾问信息"}
+    counselor.name=new_name
+    counselor.c_time=new_c_time
+    try:
+        db.commit()
+        db.refresh(counselor)
+        return {"msg":"修改成功"}
+    except Exception as e:
+        print(e)
+        return {"msg": "修改失败"}
+
+#改，根据名字修改
+def update_counselor_name(db:Session,id:int,name:str,c_time:date):
+    if Counselor.name==name:
+        Counselor.id==id
+        Counselor.c_time=c_time
+        db.commit()
+        db.refresh(Counselor)
+        return f"修改成功"
+
+#查，根据id查询
+#根据id查
+def query_counselor(db:Session,id:int):
+    counselor=db.query(Counselor).filter(Counselor.id==id,Counselor.c_de==False).first()
+    if not counselor:
+        return None
+    l2={
+        "id":counselor.id,
+        "name":counselor.name,
+        "t_created":counselor.c_time.strftime("%Y-%m-%d")
+    }
+    return l2
+
+
+#根据名字查询
+def query_counselor_name(db:Session,name:str):
+    res=db.query(Counselor).filter(Counselor.name==name).first()
+    db.commit()
+    db.refresh(Counselor)
+    return res
+#筛选低于60的同学
\ No newline at end of file
diff --git a/dao/employments.py b/dao/employments.py
new file mode 100644
index 0000000..410089f
--- /dev/null
+++ b/dao/employments.py
@@ -0,0 +1,87 @@
+from typing import Optional
+from sqlalchemy.orm import Session
+from model.employments import Employments
+from model.student_info import Student
+from schemas.employments import Emp_Class,Emp_add_update
+from sqlalchemy import and_
+from fastapi import HTTPException
+
+#根据学生id查看信息
+def get_student_id(db: Session, student_id: str):
+    return db.query(Employments).filter(and_(Employments.id == student_id,Employments.is_deleted==True)).first()
+#根据学生id、公司名称、工资范围多条件查询
+def get_student_multi_condition(
+    db: Session,
+    id: Optional[str] = None,
+    name: Optional[str] = None,
+    min_sal: Optional[float] = None,
+    max_sal: Optional[float] = None,
+):
+    # LEFT JOIN student + student_employment
+    q = db.query(Student, Employments)\
+        .outerjoin(Employments, Student.id == Employments.id)\
+        .filter(Employments.is_deleted==True)
+    # if min_sal>max_sal:
+    #     raise HTTPException(status_code=404, detail="学生不存在，请先创建学生基础信息")
+    # 条件动态拼接
+    if id:
+        q = q.filter(Student.id.like(f"%{id}%"))#like模糊查询
+    if name:
+        q = q.filter(Employments.emp.like(f"%{name}%"))
+    if min_sal is not None:
+        q = q.filter(Employments.sal >= min_sal)
+    if max_sal is not None:
+        q = q.filter(Employments.sal <= max_sal)
+    return q.all()
+#根据学生班级查看信息
+def get_class_id(db:Session,class_id:str):
+    return (db.query(Student,Employments)
+            .outerjoin(Student,Student.id==Employments.id))\
+            .filter(Student.class_name==class_id).all()
+#增加修改学生信息
+#首先判断是否是已存在的学生，如果不是就增加，反之就修改
+def add_update_employment(db: Session,student_id:str,emp_data: Emp_add_update,student:Student ):
+    emp = get_student_id(db, student_id)
+    if emp:
+        # 更新
+        emp.offer_open = emp_data.offer_open
+        emp.offer_review = emp_data.offer_review
+        emp.emp = emp_data.emp
+        emp.sal = emp_data.sal
+    else:
+        # 新增
+        stu = db.query(Student).filter(Student.id == student_id)
+        if stu:
+            emp = Employments(
+                id=student_id,
+                offer_open=emp_data.offer_open,
+                offer_review=emp_data.offer_review,
+                emp=emp_data.emp,
+                sal=emp_data.sal
+            )
+            db.add(emp)
+        else:
+            raise HTTPException(status_code=404, detail="学生不存在，请先创建学生基础信息")
+
+    # 业务状态更新 offer优先级更高
+    if emp_data.offer_review is not None:
+        student.status = "已就业"
+    elif emp_data.offer_open is not None:
+        student.status = "就业开放"
+    db.commit()
+    db.refresh(emp)
+    return emp
+
+def delete_employment(db: Session,student_id:str ):
+    emp = get_student_id(db, student_id)
+    if emp:
+        # 删除
+        emp.is_deleted = False
+        db.commit()
+        db.refresh(emp)
+    # else:
+    #     raise HTTPException(status_code=404, detail="学生不存在，请先创建学生基础信息")
+    return 1
+
+
+
diff --git a/dao/scores.py b/dao/scores.py
new file mode 100644
index 0000000..5cbed77
--- /dev/null
+++ b/dao/scores.py
@@ -0,0 +1,123 @@
+from sqlalchemy.orm import Session
+
+from model.scores import Scores
+
+def add_score(db: Session, id: str, exam_round: int, score: int): #1.按考核序次录入考核成绩（包含字段：学生ID、考核序次、成绩）
+    try:
+        judgement_id = (db.query(Scores).
+                        filter(Scores.id == id,Scores.is_deleted == False).
+                        first()) # 通过外键class Student校验学生ID是否存在
+        if not judgement_id:
+            return {"code": 404, "msg": f"学生ID：{id}不存在，请去录入学生信息！"}
+
+        judgement_id_er = (db.query(Scores).
+                           filter(Scores.id == id,
+                                  Scores.exam_round == exam_round,
+                                  Scores.is_deleted == False).
+                           first())  # 本表校验同一学生、同一考核序次是否已录入
+        if judgement_id_er:
+            return {"code": 400, "msg": f"学生ID：{id}第{exam_round}次考核成绩已存在，请勿重复录入！"}
+
+        if score < 60: # 创建分数小于等于60分的记录并警告
+            record = Scores(id=id,
+                            exam_round=exam_round,
+                            score=score,
+                            is_warning=True) #写入学生ID，考核序次，成绩，标记警告
+            db.add(record)
+            db.commit()
+            db.refresh(record)
+            return {"code": 200, "msg": f"学生ID：{id}第{exam_round}次考核成绩{score}分录入成功！成绩小于60分，需要多关注！"}
+        else: # 创建分数大于等于60分的记录
+            record = Scores(id=id,
+                            exam_round=exam_round,
+                            score=score) #写入学生ID，考核序次，成绩
+            db.add(record)
+            db.commit()
+            db.refresh(record)
+            return {"code": 200, "msg": f"学生ID：{id}第{exam_round}次考核成绩{score}分录入成功！"}
+    except Exception as e:
+        db.rollback()
+        return {"code": 500, "msg": f"考核成绩录入失败: {e}"}
+
+
+def query_id(db: Session, id: str): #2.按学生ID过滤，成绩降序，考核序次升序，返回全部信息
+    try:
+        query_id = (db.query(Scores).
+                    filter(Scores.id == id,Scores.is_deleted == False).
+                    order_by(Scores.score.desc(),Scores.exam_round.asc()).
+                    all())
+        if not query_id:
+            return {"code": 404, "msg": "未查询到相关结果"}
+        data = [{"id": o.id, "exam_round": o.exam_round, "score": o.score}for o in query_id]
+        return {"code": 200, "msg": data}
+    except Exception as e:
+        db.rollback()
+        return {"code": 500, "msg": f"未查询到相关结果：{e}"}
+
+
+def query_er(db: Session, exam_round: int): #3.按考核序次过滤，成绩降序，学生ID升序，返回全部信息
+    try:
+        query_er = (db.query(Scores).
+                    filter(Scores.exam_round == exam_round,Scores.is_deleted == False).
+                    order_by(Scores.score.desc(),Scores.id.asc()).
+                    all())
+        if not query_er:
+            return {"code": 404, "msg": "未查询到相关结果"}
+        data = [{"id": p.id, "exam_round": p.exam_round, "score": p.score}for p in query_er]
+        return {"code": 200, "msg": data}
+    except Exception as e:
+        db.rollback()
+        return {"code": 500, "msg": f"未查询到相关结果: {e}"}
+
+def query_sc(db: Session, score: int): #4.按成绩过滤，学生ID升序，考核序次升序，返回全部信息
+    try:
+        query_sc = (db.query(Scores).
+                    filter(Scores.score == score,Scores.is_deleted == False).
+                    order_by(Scores.id.asc(),Scores.exam_round.asc()).
+                    all())
+        if not query_sc:
+            return {"code": 404, "msg": "未查询到相关结果"}
+        data = [{"id": q.id, "exam_round": q.exam_round, "score": q.score}for q in query_sc]
+        return {"code": 200, "msg": data}
+    except Exception as e:
+        db.rollback()
+        return {"code": 500, "msg": f"未查询到相关结果: {e}"}
+
+
+def update_sc(db: Session, id: str, exam_round: int, score: int): #5.根据学生ID、考核序次修改成绩
+    try:
+        update_sc = (db.query(Scores).
+                     filter(Scores.id == id,
+                            Scores.exam_round == exam_round,
+                            Scores.is_deleted == False).
+                     first())
+        if not update_sc:
+            return {"code": 404, "msg": "该成绩记录不存在"}
+        update_sc.score = score
+        update_sc.is_warning = score < 60
+        db.commit()
+        db.refresh(update_sc)
+        return {"code": 200, "msg": f"学生ID：{id} 第{exam_round}次成绩已修改为{score}分！"}
+    except Exception as e:
+        db.rollback()
+        return {"code": 500, "msg": f"考核成绩修改失败: {e}"}
+
+
+def delete_sc(db: Session, id: str, exam_round: int): #6.根据学生ID、考核序次删除成绩
+    try:
+        delete_sc = (db.query(Scores).
+                     filter(Scores.id == id,
+                            Scores.exam_round == exam_round,
+                            Scores.is_deleted == False).
+                     first())
+        if not delete_sc:
+            return {"code": 404, "msg": "成绩记录不存在"}
+        delete_sc.is_deleted = True  # 逻辑删除
+        db.commit()
+        db.refresh(delete_sc)
+        return {"code": 200, "msg": f"学生ID：{id}第{exam_round}次成绩已删除！"}
+    except Exception as e:
+        db.rollback()
+        return {"code": 500, "msg": f"考核成绩删除失败: {e}"}
+
+
diff --git a/dao/student.py b/dao/student.py
new file mode 100644
index 0000000..f576282
--- /dev/null
+++ b/dao/student.py
@@ -0,0 +1,18 @@
+from sqlalchemy.orm import Session
+from model.student_info import Student
+
+# 根据学生id查询学生
+def get_student_by_id(db: Session, student_id: str):
+    return db.query(Student).filter(Student.id == student_id).first()
+
+# 根据班级名称查询该班级全部学生
+def get_student_by_class(db: Session, class_name: str):
+    return db.query(Student).filter(Student.class_name == class_name).all()
+
+# 创建学生
+def create_student(db: Session, student_id: str, student_name: str, class_name: str):
+    new_stu = Student(id=student_id, name=student_name, class_name=class_name, status="待就业")
+    db.add(new_stu)
+    db.commit()
+    db.refresh(new_stu)
+    return new_stu
\ No newline at end of file
diff --git a/dao/student_dao.py b/dao/student_dao.py
new file mode 100644
index 0000000..fb2f914
--- /dev/null
+++ b/dao/student_dao.py
@@ -0,0 +1,104 @@
+
+from sqlalchemy.orm import Session
+from model.student_info import Student
+from schemas.student_info import StudentCreate, StudentUpdate,StudentDate, StudentResponse
+
+
+
+#查询  查询学生信息（按编号、姓名、班级条件筛选）
+#orm动态查询
+def list_students(db: Session,id: str = None,name: str = None,class_name: str = None):
+    # 已逻辑删除的学生
+    query = db.query(Student).filter(Student.is_deleted == False)
+    # 查询学生信息（支持按编号、姓名、班级等条件筛选）。
+    if id:
+        query = query.filter(Student.id == id)
+    if name:
+        query = query.filter(Student.name.like(f"%{name}%"))
+    if class_name:
+        query = query.filter(Student.class_name == class_name)
+    # 执行查询并返回
+    return query.all()
+
+
+#2创建新的学生
+def create_student(db: Session,student: StudentCreate):
+    data = {}
+    #遍历
+    for field_name in student.model_fields:
+        if field_name == "id":
+            val = student.id
+        elif field_name == "name":
+            val = student.name
+        elif field_name == "gender":
+            val = student.gender
+        elif field_name == "class_no":
+            val = student.class_name
+        elif field_name == "major":
+            val = student.major
+        elif field_name == "age":
+            val = student.age
+        elif field_name == "hometown":
+            val = student.hometown
+        else:
+            val = None
+        data[field_name] = val
+    # 赋值给ORM
+    db_student = Student(
+        id=data["id"],
+        name=data["name"],
+        gender=data["gender"],
+        class_name=data["class_name"],
+        major=data.get("major"),
+        age=data.get("age"),
+        hometown=data.get("hometown")
+    )
+    db.add(db_student)
+    db.commit()
+    db.refresh(db_student)
+    return db_student
+
+# 获取特定学生信息
+# 严格按照需求文档：GET /students/{id}，从URL路径中获取学生学号
+def get_student(db: Session,id: str):
+    # 查询：id字段等于url传过来的id
+    student = db.query(Student).filter(Student.id == id,).first()
+    if student is None:
+        return None
+    return student
+
+
+# 更新学生信息 /students/{id}  id为学号
+def update_student( db: Session,id: str, payload: StudentUpdate):
+    # 根据学号查询学生
+    student = db.query(Student).filter(Student.id == id).first()
+    # 学生是否存在
+    if student is None:
+        return None
+    if payload.name is not None:
+        student.name = payload.name
+    if payload.age is not None:
+        student.age = payload.age
+    if payload.class_name is not None:
+        student.class_name = payload.class_name
+    # 保存到数据库
+    db.commit()
+    db.refresh(student)
+    # 返回更新后的学生
+    return student
+
+
+# 逻辑删除学生。逻辑上删除，实际上未删除
+def delete_student(db: Session,id: str):
+    # 根据学号查询
+    student = db.query(Student).filter(Student.id == id, Student.is_deleted == False).first()
+    # 判断学生是否存在
+    if student is None:
+        return None
+    # 逻辑删除：把is_deleted改成True，不是真的删掉这条记录
+    student.is_deleted = True
+    db.commit()
+    return {"message": f"学生 {id} 已逻辑删除，数据仍保留在库中"}
+
+
+
diff --git a/dao/teachers_dao.py b/dao/teachers_dao.py
new file mode 100644
index 0000000..4cc17bd
--- /dev/null
+++ b/dao/teachers_dao.py
@@ -0,0 +1,141 @@
+from datetime import date
+
+from sqlalchemy.orm import sessionmaker, declarative_base, Session, Query, selectinload
+
+from model.teachers import Teacher
+
+#添加方法
+def add_teachers(db:Session ,t_name:str, t_gender:str, t_phone:str, t_subject:str,t_created:date):
+    t1=Teacher(
+        t_name=t_name,
+        t_gender=t_gender,
+        t_phone=t_phone,
+        t_subject=t_subject,
+        t_created=t_created,
+        t_delete=False
+    )
+    try:
+        db.add(t1)
+        db.commit()
+        db.refresh(t1)
+        return {"msg":"添加成功"}
+    except Exception as e:
+        print(e)
+        return {"msg":"删除成功"}
+
+
+#删除方法
+def del_teachers(db:Session,t_id:int,t_name:str):
+    teacher=db.query(Teacher).filter(Teacher.t_id==t_id,
+                                     Teacher.t_name==t_name,
+                                     Teacher.t_delete==False
+                                     ).first()
+    if not teacher:
+        return {"msg":"没找到老师信息"}
+    #逻辑删除
+    try:
+        teacher.t_delete=True
+        db.commit()
+        return {"msg":"删除成功"}
+    except Exception as e:
+        print("删除异常",e)
+        return {"msg":"删除失败"}
+
+#修改老师
+def update_teachers(db:Session,t_id:int,new_name,new_gender,new_phone,new_subject,new_created):
+    teacher=db.query(Teacher).filter(Teacher.t_id==t_id,Teacher.t_delete==False).first()
+    if not teacher:
+        return {"msg":"没找到老师信息"}
+    teacher.t_name=new_name
+    teacher.t_gender=new_gender
+    teacher.t_phone=new_phone
+    teacher.t_subject=new_subject
+    teacher.t_created=new_created
+    try:
+        db.commit()
+        db.refresh(teacher)
+        return {"msg":"修改成功"}
+    except Exception as e:
+        print(e)
+        return {"msg": "修改失败"}
+
+# 查询所有老师信息
+# 分页
+def search_teachers(db:Session,page:int,size:int):
+    start = (page - 1) * size
+    teachers=db.query(Teacher.t_id,
+                      Teacher.t_name,
+                      Teacher.t_gender,
+                      Teacher.t_phone,
+                      Teacher.t_subject,
+                      Teacher.t_created).filter(Teacher.t_delete==False)
+    teach=teachers.offset(start).limit(size).all()  #跳过多少行,查询当前页数据
+    total=teachers.count()
+    l1=[]
+    #将查出来的值存入列表
+    for i in teach:
+        bb={
+            "t_id":i[0],
+            "t_name":i[1],
+            "t_gender":i[2],
+            "t_phone":i[3],
+            "t_subject":i[4],
+            "t_created":i[5].strftime("%Y-%m-%d") # 将字符串转时间
+        }
+        l1.append(bb)
+    return {
+        "total":total,
+        "page":page,
+        "size":size,
+        "list":l1
+    }
+
+
+
+#查询单个老师信息
+#根据id查
+def search_teachers_by_id(db:Session,t_id:int):
+    teachers=db.query(Teacher).filter(Teacher.t_id==t_id,Teacher.t_delete==False).first()
+    if not teachers:
+        return None
+    l2={
+        "t_id":teachers.t_id,
+        "t_name":teachers.t_name,
+        "t_gender":teachers.t_gender,
+        "t_phone":teachers.t_phone,
+        "t_subject":teachers.t_subject,
+        "t_created":teachers.t_created.strftime("%Y-%m-%d")
+    }
+    return l2
+
+#查看带班信息
+def get_teacher_classes(db:Session,t_id:int):
+    teacher=(db.query(Teacher).filter(Teacher.t_id==t_id,Teacher.t_delete==False)
+           .options(selectinload(Teacher.classes)).first())
+    if not teacher:
+        return None
+
+    l3=[]
+    for i in teacher.classes:
+        l3.append({
+            "class_id":i.class_id,
+            "class_name":i.class_name,
+            "create_time":i.create_time.strftime("%Y-%m-%d"),
+        })
+
+    res={
+        "tid":teacher.t_id,
+        "t_id": teacher.t_id,
+        "t_name": teacher.t_name,
+        "t_gender": teacher.t_gender,
+        "t_phone": teacher.t_phone,
+        "t_subject": teacher.t_subject,
+        "t_created": teacher.t_created.strftime("%Y-%m-%d"),
+        "class_list": l3
+    }
+    return res
+
+
+
+
+
diff --git a/database.py b/database.py
new file mode 100644
index 0000000..1e5ff2a
--- /dev/null
+++ b/database.py
@@ -0,0 +1,35 @@
+import os
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import declarative_base, sessionmaker
+
+# 优先读取环境变量(Docker 部署用)；默认值与原硬编码配置一致，本地开发不受影响
+MYSQL_USER = os.getenv("MYSQL_USER", "root")
+MYSQL_PASSWORD = os.getenv("MYSQL_PASSWORD", "123456")
+MYSQL_HOST = os.getenv("MYSQL_HOST", "localhost")
+MYSQL_PORT = os.getenv("MYSQL_PORT", "3306")
+MYSQL_DB = os.getenv("MYSQL_DB", "student_manager")
+
+db_url = f"mysql+pymysql://{MYSQL_USER}:{MYSQL_PASSWORD}@{MYSQL_HOST}:{MYSQL_PORT}/{MYSQL_DB}?charset=utf8mb4"
+engine = create_engine(db_url, pool_size=5, pool_pre_ping=True)
+Base = declarative_base()
+SessionLocal = sessionmaker(bind=engine)
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+def init_db():
+    """导入所有模型并建表，避免任何入口文件漏导入"""
+    import model  # noqa: F401  —— 触发 model/__init__.py 注册所有类
+    Base.metadata.create_all(bind=engine)
+
+
+def reset_db():
+    """开发环境重建所有表"""
+    import model  # noqa: F401
+    Base.metadata.drop_all(bind=engine)
+    Base.metadata.create_all(bind=engine)
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..4dec57f
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,66 @@
+# ============================================
+#  沃林学生管理系统 - Docker 编排
+#  MySQL 8.0 虚拟镜像 + Backend (FastAPI)
+# ============================================
+version: "3.9"
+
+services:
+  # ---------- MySQL 虚拟镜像 ----------
+  mysql:
+    image: mysql:8.0
+    container_name: wolin-sms-mysql
+    restart: unless-stopped
+    environment:
+      # 与 database.py 中的默认凭证保持一致
+      MYSQL_ROOT_PASSWORD: "123456"
+      MYSQL_DATABASE: student_manager
+      TZ: Asia/Shanghai
+    command:
+      - --character-set-server=utf8mb4
+      - --collation-server=utf8mb4_unicode_ci
+      - --default-authentication-plugin=mysql_native_password
+    ports:
+      # 宿主机 3307 -> 容器 3306
+      # (用 3307 是为了避免与本机已安装的 MySQL 冲突)
+      - "3308:3306"
+    volumes:
+      - mysql_data:/var/lib/mysql
+    healthcheck:
+      test: ["CMD", "mysqladmin", "ping", "-h", "127.0.0.1", "-uroot", "-p123456"]
+      interval: 10s
+      timeout: 5s
+      retries: 10
+      start_period: 30s
+    networks:
+      - wolin-net
+
+  # ---------- 后端应用 ----------
+  backend:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: wolin-sms-backend
+    restart: unless-stopped
+    depends_on:
+      mysql:
+        condition: service_healthy
+    environment:
+      # 容器内通过服务名 mysql 访问数据库(Docker 内置 DNS)
+      MYSQL_HOST: mysql
+      MYSQL_PORT: "3306"
+      MYSQL_USER: root
+      MYSQL_PASSWORD: "123456"
+      MYSQL_DB: student_manager
+      TZ: Asia/Shanghai
+    ports:
+      - "8001:8001"
+    networks:
+      - wolin-net
+
+networks:
+  wolin-net:
+    driver: bridge
+
+volumes:
+  mysql_data:
+    driver: local
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..7d50830
--- /dev/null
+++ b/main.py
@@ -0,0 +1,62 @@
+import os
+import uvicorn
+from fastapi import FastAPI
+from fastapi.staticfiles import StaticFiles
+from fastapi.middleware.cors import CORSMiddleware
+from database import engine, Base
+
+#导入模型
+from model.classes_model import Classes
+from model.student_info import Student
+from model.scores import Scores
+from model.employments import Employments
+from model.teachers import Teacher
+from model.counselor import Counselor
+
+#导入路由
+from api import student as student_api
+from api import score as score_api
+from api import employment as employment_api
+from api import analysis as analysis_api
+from api import teachers as teachers_api
+from api import class_api
+from api import counselor_api
+
+#创建 FastAPI 应用
+app = FastAPI(title="学生管理系统API", version="1.0")
+
+#配置跨域
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+#注册路由
+app.include_router(student_api.router)
+app.include_router(score_api.router)
+app.include_router(employment_api.router)
+app.include_router(analysis_api.router)
+app.include_router(teachers_api.router)
+app.include_router(class_api.router)
+app.include_router(counselor_api.router)
+
+#挂载前端静态文件
+if not os.path.exists("static"):
+    os.makedirs("static")
+app.mount("/ui", StaticFiles(directory="static", html=True), name="static")
+
+
+@app.get("/")
+def root():
+    return {"message": "欢迎使用沃林学生管理系统，前端请访问 http://127.0.0.1:8001/ui/"}
+
+if __name__ == "__main__":
+    # 建表
+    Base.metadata.create_all(bind=engine)
+    # host 必须为 0.0.0.0 才能在 Docker 容器外访问；本地运行 127.0.0.1:8001 依然有效
+    host = os.getenv("HOST", "0.0.0.0")
+    port = int(os.getenv("PORT", "8001"))
+    uvicorn.run("main:app", host=host, port=port, reload=False)
\ No newline at end of file
diff --git a/model/__init__.py b/model/__init__.py
new file mode 100644
index 0000000..e112641
--- /dev/null
+++ b/model/__init__.py
@@ -0,0 +1,6 @@
+from .classes_model import Classes
+from .student_info import Student
+from .scores import Scores
+from .employments import Employments
+
+__all__ = ["Classes", "Student", "Scores", "Employments"]
\ No newline at end of file
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diff --git a/model/classes_model.py b/model/classes_model.py
new file mode 100644
index 0000000..eb62a59
--- /dev/null
+++ b/model/classes_model.py
@@ -0,0 +1,25 @@
+from sqlalchemy import Column, Integer, String, Boolean, Date, Table, ForeignKey
+from sqlalchemy.orm import relationship
+from database import Base
+
+
+
+teacher_classes = Table(
+    'teacher_classes',
+    Base.metadata,
+    Column('teacher_id', ForeignKey('teacher.t_id'), primary_key=True),
+    Column('class_id', ForeignKey('classes.class_id'), primary_key=True)
+)
+
+class Classes(Base):
+    __tablename__ = 'classes'
+    class_id = Column(Integer, primary_key=True,autoincrement=True)
+    head_teacher_id = Column(Integer, ForeignKey('teacher.t_id'), nullable=False)
+    create_time = Column(Date,nullable=False)
+    class_name = Column(String(50), nullable=False, unique=True)
+    class_delete = Column(Boolean, default=False)
+    counselor_id = Column(Integer, ForeignKey('counselor.id'))
+
+    students = relationship('Student', back_populates='classes')
+    teachers = relationship("Teacher", secondary=teacher_classes, back_populates="classes")
+    counselor = relationship("Counselor", back_populates="classes")
\ No newline at end of file
diff --git a/model/counselor.py b/model/counselor.py
new file mode 100644
index 0000000..f373d97
--- /dev/null
+++ b/model/counselor.py
@@ -0,0 +1,23 @@
+#创建顾问表
+from sqlalchemy import Column, Integer, String, Boolean, Date
+from sqlalchemy.orm import relationship
+
+from database import Base
+
+
+
+class Counselor(Base):
+    __tablename__ = 'counselor'
+    id = Column(Integer, primary_key=True,autoincrement=True)
+    name = Column(String(100),nullable=False,unique=True)
+    c_time = Column(Date,nullable=False)     #创建时间
+    c_de = Column(Boolean,default=False)        #逻辑判断
+
+    #关联班级表，一对多
+    classes=relationship("Classes",back_populates="counselor")
+
+    def __repr__(self):
+        return f"<Counselor(id={self.id}, name={self.name})>"
+
+
+
diff --git a/model/employments.py b/model/employments.py
new file mode 100644
index 0000000..98b15d7
--- /dev/null
+++ b/model/employments.py
@@ -0,0 +1,25 @@
+from sqlalchemy import create_engine, Column, Float, String, DateTime, Boolean, ForeignKey
+from sqlalchemy.orm import relationship
+
+from database import Base
+# db_url='mysql+pymysql://root:123456@localhost:3306/student_manager'
+# engine=create_engine(db_url,pool_size=5)
+#学生就业表
+class Employments(Base):
+    __tablename__='employments'
+    id = Column(String(20), ForeignKey('students.id'), primary_key=True)      #学生id
+    offer_open=Column(DateTime,nullable=True,comment='就业开放时间')                  #就业开放时间
+    offer_review=Column(DateTime,nullable=True,comment='offer时间')                 #offer下发时间
+    emp=Column(String(20),nullable=True,comment='就业公司名称')                       #就业公司名称
+    sal = Column(Float, nullable=True, comment="就业薪资")                           #就业薪资
+    is_deleted = Column(Boolean, default=False, comment="判断状态")                   #判断状态
+    student = relationship("Student", back_populates="employment")
+
+# Base.metadata.drop_all(engine)
+# Base.metadata.create_all(engine)
+# SessionLocal=sessionmaker(bind=engine)
+# # db=SessionLocal()
+# Base.metadata.create_all(engine)
+# db.close()
+
+
diff --git a/model/scores.py b/model/scores.py
new file mode 100644
index 0000000..2aa473a
--- /dev/null
+++ b/model/scores.py
@@ -0,0 +1,37 @@
+# from sqlalchemy import Column, Integer,  Boolean, ForeignKey,String
+# from sqlalchemy.orm import relationship
+# from database import Base
+# class Scores(Base): # 学生考核成绩管理表模型
+#     __tablename__ = "scores"
+#     scores_id = Column(Integer, primary_key=True, autoincrement=True) # 成绩自增长序号 是本表主键（1，2，3，4，5，6）
+#     id = Column(String(30), ForeignKey('student.id')) #学生ID 是Student表的外键（1，1，1，2，2，2）
+#     exam_round = Column(Integer, nullable=False) #考核序次 不唯一（1，2，3，1，2，3）
+#     score = Column(Integer) #成绩 不唯一 可None
+#     is_warning= Column(Boolean, default=False) #成绩红线预警 默认没预警 （高于60写入"True"，低于60写入"False"）
+#     is_deleted = Column(Boolean, default=False) #逻辑删除标记  默认没删除 （删除写入"True"，不删除写入"False"）
+#
+#     student = relationship("Student", back_populates="scores") # 外键 多对一 关联Student
+#     def __repr__(self): # 魔法方法打印展示学生ID、对应序次的成绩
+#         return f"<Scores(学生ID：{self.id}, 考核序次：{self.exam_round}, 成绩：{self.score})>"
+
+from sqlalchemy import Column, Integer, Boolean, ForeignKey, String
+from sqlalchemy.orm import relationship
+from database import Base
+
+
+class Scores(Base):
+    __tablename__ = "scores"
+
+    scores_id = Column(Integer, primary_key=True, autoincrement=True)
+    id = Column(String(20), ForeignKey('students.id'))   # ← 关键修复
+    exam_round = Column(Integer, nullable=False)
+    score = Column(Integer)
+    is_warning = Column(Boolean, default=False)
+    is_deleted = Column(Boolean, default=False)
+
+    student = relationship("Student", back_populates="scores")
+
+    def __repr__(self):
+        return f"<Scores(学生ID：{self.id}, 考核序次：{self.exam_round}, 成绩：{self.score})>"
+
+
diff --git a/model/student_info.py b/model/student_info.py
new file mode 100644
index 0000000..fa89b3d
--- /dev/null
+++ b/model/student_info.py
@@ -0,0 +1,34 @@
+from sqlalchemy import Column, String, Integer, Date, Boolean, ForeignKey
+from sqlalchemy.orm import relationship
+from database import Base
+
+
+class Student(Base):
+    __tablename__ = "students"
+    id = Column(String(20), primary_key=True, comment="学号")# 主键：学号
+
+    name = Column(String(50), nullable=False, comment="学生姓名")
+    gender = Column(String(10), nullable=False, comment="性别：男 / 女")
+    age = Column(Integer, comment="年龄")
+    hometown = Column(String(100), comment="籍贯")
+    graduate_school = Column(String(100), comment="毕业学校")
+    major = Column(String(50), comment="专业")
+    education = Column(String(30), comment="专科/本科/硕士")
+    enrollment_date = Column(Date, comment="入学时间")
+    graduation_date = Column(Date, comment="毕业时间")
+    status = Column(String(20), default="在读", comment="状态：没有毕业/未就业/已就业")
+    is_deleted = Column(Boolean, default=False, comment="逻辑删除标记")
+    # 外键 班级编号
+    class_name = Column(String(20), ForeignKey("classes.class_name"), comment="所属班级编号")
+
+    # 关系映射   学生和就业 一对一，一个学生对应一条就业信息    学生和成绩一对多，一个学生对应多条成绩
+    scores = relationship("Scores", back_populates="student")     # 一个学生多次考核成绩
+    employment = relationship("Employments", back_populates="student", uselist=False)  # 一对一就业信息
+    classes = relationship("Classes", back_populates="students")
+
+    def __repr__(self):
+        return f"<Student(no={self.id}, name={self.name}, class={self.class_name})>"
+
+
+
+
diff --git a/model/teachers.py b/model/teachers.py
new file mode 100644
index 0000000..d8d1025
--- /dev/null
+++ b/model/teachers.py
@@ -0,0 +1,22 @@
+from sqlalchemy import Column, Integer, String, Boolean, Date
+from sqlalchemy.orm import relationship
+
+from database import Base
+
+
+class Teacher(Base):
+    __tablename__ = 'teacher'
+    t_id = Column(Integer, primary_key=True, autoincrement=True) #老师id
+    t_name = Column(String(50), nullable=False) #老师姓名
+    t_gender = Column(String(50), nullable=False) #性别
+    t_phone = Column(String(50), nullable=False)  #手机号
+    t_subject = Column(String(50), nullable=False) #教授科目
+    t_created=Column(Date,nullable=False) #入职时间
+    t_delete = Column(Boolean, default=False)  #逻辑判断
+
+
+    #关联表
+    classes=relationship('Classes',secondary='teacher_classes',back_populates='teachers')
+
+    def __repr__(self):
+        return f"<Teacher(t_id={self.t_id}, name='{self.t_name}', subject='{self.t_subject}')>"
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..33599ff
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,19 @@
+# ============================================
+#  沃林学生管理系统 - Python 依赖
+#  Python 3.11+
+# ============================================
+
+# Web 框架与服务器
+fastapi>=0.115.0
+uvicorn[standard]>=0.30.0
+
+# ORM 与数据校验
+sqlalchemy>=2.0.0
+pydantic>=2.0.0
+
+# 表单支持
+python-multipart>=0.0.5
+
+# MySQL 驱动与认证加密(caching_sha2_password 需要)
+pymysql>=1.1.0
+cryptography>=42.0.0
diff --git a/schemas/__init__.py b/schemas/__init__.py
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index 0000000..e69de29
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diff --git a/schemas/analysis.py b/schemas/analysis.py
new file mode 100644
index 0000000..a848762
--- /dev/null
+++ b/schemas/analysis.py
@@ -0,0 +1,28 @@
+from datetime import date
+
+from pydantic import BaseModel, Field, ConfigDict
+from fastapi import FastAPI
+
+#请求体模型
+
+#student_info
+#动态年龄范围查询：支持用户输入年龄阈值及比较条件（如大于、小于、等于、区间等），动态查询符合条件的学员信息
+class AnalysisStudentInfoAge(BaseModel):
+    min_age: int = Field(ge=1, description="查询的最小年龄，若不填则仅查询上限")
+    max_age: int = Field(le=100, description="查询的最大年龄，若不填则仅查询下限")
+    operator: str = Field("区间", descroption="大于，大于等于，小于，小于等于，区间")
+
+class AnalysisStudent_score(BaseModel):
+    s_n : int = Field(...,ge=1,le=100,description = "输入分数")
+
+class AnalysisStudent_score60(BaseModel):
+    n : int = Field(...,ge=0,descriptino = "输入不及格次数")
+
+class AnalysisStudent_score_class(BaseModel):
+    order : str = Field("desc", description="排序：输入asc则升序 / 输入desc则降序")
+
+class AnalysisStudent_employments_salary(BaseModel):
+    n : int = Field(10,ge = 1,description = "查询就业薪资排名前n的学生信息")
+
+
+
diff --git a/schemas/class_scheme.py b/schemas/class_scheme.py
new file mode 100644
index 0000000..5d4143e
--- /dev/null
+++ b/schemas/class_scheme.py
@@ -0,0 +1,55 @@
+from pydantic import BaseModel, Field, ConfigDict
+from datetime import datetime,date
+from typing import Optional, List
+
+
+class ClassCreate(BaseModel):
+    class_name: str = Field(..., max_length=20, description="班级名称，唯一")
+    head_teacher_id: int = Field(..., ge=1, description="班主任id")
+    counselor_id: Optional[int] = Field(None, description="顾问id")
+    create_time: Optional[datetime] = Field(None, description="开课时间，不传默认当前时间")
+    teacher_ids: Optional[List[int]] = Field(None, description="绑定授课老师id列表")
+
+
+class ClassUpdateBase(BaseModel):
+    class_name: Optional[str] = Field(None, max_length=20, description="班级名称")
+    create_time: Optional[date] = Field(None, description="开课时间，格式 YYYY-MM-DD，不传默认当前日期")
+    counselor_id: Optional[int] = Field(None, description="顾问id")
+
+
+class ClassHeadTeacherUpdate(BaseModel):
+    head_teacher_id: int = Field(..., ge=1, description="新的班主任id")
+
+
+class ClassTeachersUpdate(BaseModel):
+    teacher_ids: List[int] = Field(..., description="新老师id列表")
+
+
+class ClassDelete(BaseModel):
+    class_ids: List[int] = Field(..., min_length=1, description="班级id列表")
+    deleted: bool = Field(..., description="True 逻辑删除，False 恢复")
+
+
+class TeacherSimple(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+    t_id: int
+    t_name: str
+
+class ClassDetail(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+    class_id: int
+    class_name: str
+    head_teacher_id: int
+    counselor_id: Optional[int] = None
+    create_time: Optional[datetime] = None
+    class_delete: bool = False
+    teachers: List[TeacherSimple] = []
+
+
+class ClassPageResult(BaseModel):
+    total: int
+    items: List[ClassDetail]
+
+
+class BatchDeleteResult(BaseModel):
+    affected_count: int
\ No newline at end of file
diff --git a/schemas/counselor_scheme.py b/schemas/counselor_scheme.py
new file mode 100644
index 0000000..b26f3d5
--- /dev/null
+++ b/schemas/counselor_scheme.py
@@ -0,0 +1,47 @@
+#请求体参数验证
+from datetime import datetime
+
+from pydantic import BaseModel, Field, field_validator
+from typing import Optional
+
+
+
+#创建顾问 请求体
+class CounselorCreate(BaseModel):
+    id : int
+    name : Optional[str]
+    c_time : Optional[str]
+    c_de : bool
+    #日期校验，
+    @field_validator("c_time")
+    @classmethod
+    def c_time_validator(cls, v:str):
+        try:
+            datetime.strptime(v, "%Y-%m-%d")
+        except ValueError:
+            raise ValueError("日期格式必须是 yyyy-MM-dd")
+        return v
+
+class DeleteCounselor(BaseModel):
+    id: int
+
+class UpdateCounselor(BaseModel):
+    name: str = Optional[str]
+    c_time: str = Optional[str]
+
+    @field_validator('c_time')
+    @classmethod
+    def j_t_created(cls, v: str):
+        try:
+            c_created_date=datetime.strptime(v, '%Y-%m-%d')  # 时间转字符串日期
+        except ValueError:
+            raise ValueError('时间格式错误，请按照yyyy-MM-dd格式输入')
+        if c_created_date.date() > datetime.now().date():
+            raise ValueError('入职时间不能大于未来时间')
+        return v
+
+
+
+
+
+
diff --git a/schemas/employments.py b/schemas/employments.py
new file mode 100644
index 0000000..964f532
--- /dev/null
+++ b/schemas/employments.py
@@ -0,0 +1,31 @@
+from datetime import datetime
+
+from pydantic import BaseModel, Field
+from typing import Optional
+import uvicorn
+
+#就业信息请求体
+class Emp_Class(BaseModel):
+    id:str # 学生id
+    name:str  # 学生姓名
+    class_name :str # 学生班级
+    offer_open:Optional[datetime]  # 就业开放时间
+    offer_review:Optional[datetime] # offer下发时间
+    emp:Optional[str]# 就业公司名称
+    sal:Optional[float]  # 就业薪资
+    is_deleted:bool=True
+#增加、修改请求体
+class Emp_add_update(BaseModel):
+    offer_open: datetime | None #等价Optional[datetime]=None
+    offer_review: datetime | None
+    emp: str | None
+    sal: float | None
+#多条件参数查询
+class Emp_multi_Conditions(BaseModel):
+    id: Optional[str] = None
+    name: Optional[str] = None
+    min_sal: Optional[float] = None
+    max_sal: Optional[float] = None
+
+if __name__ == '__main__':
+    uvicorn.run("app", host="localhost", port=8000,reload=True)
\ No newline at end of file
diff --git a/schemas/req.py b/schemas/req.py
new file mode 100644
index 0000000..209551f
--- /dev/null
+++ b/schemas/req.py
@@ -0,0 +1,57 @@
+
+from datetime import datetime
+
+from pydantic import BaseModel, Field, field_validator
+
+
+#增加类
+class AddTeacher(BaseModel):
+    t_name:str= Field(...,min_length=1,max_length=20,description='老师姓名'),
+    t_gender:str=Field(...,min_length=1,max_length=10,description='性别')
+    t_phone:str=Field(...,max_length=15,description="手机号码最多15位")
+    t_subject:str=Field(...,min_length=1,max_length=50,description='教授科目')
+    t_created:str=Field(...,description='入职时间，格式为%Y-%m-%d')
+
+    @field_validator('t_created')
+    def j_t_created(cls,v:str):
+        try:
+            t_created_date=datetime.strptime(v,'%Y-%m-%d') #时间转字符串日期
+        except ValueError:
+            raise ValueError('时间格式错误，请按照yyyy-MM-dd格式输入')
+
+        if t_created_date.date() > datetime.now().date():
+            raise ValueError('入职时间不能大于未来时间')
+        return v
+
+#删除类
+class DeleteTeacher(BaseModel):
+    t_id:int=Field(...,gt=0,description='老师id'),
+    t_name:str=Field(...,min_length=1,max_length=20,description='老师姓名')
+
+
+#修改类
+class UpdateTeacher(BaseModel):
+    t_name: str = Field(..., min_length=1, max_length=20, description='老师姓名')
+    t_gender: str = Field(..., min_length=1, max_length=10, description='性别')
+    t_phone: str = Field(..., max_length=15, description="手机号码最多15位")
+    t_subject: str = Field(..., min_length=1, max_length=50, description='教授科目')
+    t_created: str = Field(..., description='入职时间，格式为%Y-%m-%d')
+
+    @field_validator('t_created')
+    def j_t_created(cls, v: str):
+        try:
+            t_created_date = datetime.strptime(v, '%Y-%m-%d')  # 时间转字符串日期
+        except ValueError:
+            raise ValueError('时间格式错误，请按照yyyy-MM-dd格式输入')
+
+        if t_created_date.date() > datetime.now().date():
+            raise ValueError('入职时间不能大于未来时间')
+        return v
+
+
+
+
+
+
+
+
diff --git a/schemas/score.py b/schemas/score.py
new file mode 100644
index 0000000..c7ded7f
--- /dev/null
+++ b/schemas/score.py
@@ -0,0 +1,24 @@
+from pydantic import BaseModel, Field
+
+class AddScore(BaseModel):
+    id: str = Field(...,min_length=1,max_length=10,description="学生ID")
+    exam_round: int = Field(...,ge=1,le=10,description="考核序次1~10")
+    score: int = Field(...,ge=0,le=100,description="分数0~100")
+
+class QueryID(BaseModel):
+    id: str = Field(..., min_length=1, max_length=10, description="学生ID")
+
+class QueryExamRound(BaseModel):
+    exam_round: int = Field(..., ge=1, le=10, description="考核序次1~10")
+
+class QueryScore(BaseModel):
+    score: int = Field(..., ge=0, le=100, description="分数0~100")
+
+class UpdateScore(BaseModel):
+    id: str = Field(...,min_length=1,max_length=10,description="学生ID")
+    exam_round: int = Field(...,ge=1,le=10,description="考核序次1~10")
+    score: int = Field(...,ge=0,le=100,description="分数0~100")
+
+class DeleteScore(BaseModel):
+    id: str = Field(..., min_length=1, max_length=10, description="学生ID")
+    exam_round: int = Field(..., ge=1, le=10, description="考核序次1~10")
\ No newline at end of file
diff --git a/schemas/student_info.py b/schemas/student_info.py
new file mode 100644
index 0000000..88198c9
--- /dev/null
+++ b/schemas/student_info.py
@@ -0,0 +1,98 @@
+# 校验时间,入学时间小于毕业时间,
+from datetime import datetime
+from datetime import date
+from pydantic import BaseModel, field_validator, Field, ConfigDict
+
+# 请求体模型：两个日期都允许为空   在api.studend调用检测
+class StudentDate(BaseModel):
+    enrollment_date: str | None = Field(default=None, description="入学日期，格式为 yyyy-MM-dd,非必填")
+    graduation_date: str | None = Field(default=None, description="毕业日期，格式 yyyy-MM-dd，非必填")
+# 日期校验函数
+def student_date(enrollment_date: str , graduation_date: str):
+    # 情况1：两个日期都没传，直接通过
+    if not enrollment_date and not graduation_date:
+        return "时间校验通过"
+
+    # 只传了入学日期或者毕业日期，只校验格式
+    if enrollment_date and not graduation_date:
+        try:
+            datetime.strptime(enrollment_date, "%Y-%m-%d")
+        except ValueError:
+            return "入学日期格式错误，请按照 yyyy-MM-dd 输入"
+        return "时间校验通过"
+    elif graduation_date and not enrollment_date:
+        try:
+            datetime.strptime(graduation_date, "%Y-%m-%d")
+        except ValueError:
+            return "毕业日期格式错误，请按照 yyyy-MM-dd 输入"
+        return "时间校验通过"
+
+    # 如果两个日期都传了，先分别校验格式，再校验先后顺序
+    try:
+        enrollment_date = datetime.strptime(enrollment_date, "%Y-%m-%d")
+    except ValueError:
+        return "入学日期格式错误，请按照 yyyy-MM-dd 输入"
+    try:
+        graduation_date = datetime.strptime(graduation_date, "%Y-%m-%d")
+    except ValueError:
+        return "毕业日期格式错误，请按照 yyyy-MM-dd 输入"
+    # 核心业务判断：毕业时间不能早于入学时间
+    if graduation_date < enrollment_date:
+        return "毕业时间必须晚于入学时间"
+    return "时间校验通过"
+
+#创建学生的请求体    ...(必填)
+class StudentCreate(BaseModel):
+    id: str = Field(..., min_length=1, max_length=20, description="学号")
+    name: str = Field(..., min_length=1, max_length=50, description="学生姓名")
+    gender: str = Field(..., pattern=r"^(男|女)$", description="性别：男/女")
+    class_name: str = Field(..., min_length=1, max_length=20, description="所属班级编号")
+#非必填
+    age: int | None = Field(default=None, ge=1, le=100, description="年龄")
+    hometown: str | None = Field(default=None, max_length=100, description="籍贯")
+    graduate_school: str | None = Field(default=None, max_length=100, description="毕业院校")
+    major: str | None = Field(default=None, max_length=50, description="专业")
+    education: str | None = Field(default=None, max_length=30, description="学历：专科/本科/硕士")
+    enrollment_date: date | None = Field(default=None, description="入学时间，格式yyyy-MM-dd")
+    graduation_date: date | None = Field(default=None, description="毕业时间，格式yyyy-MM-dd")
+    status: str | None = Field(default="在读", description="状态：未毕业/进入就业/已就业")
+# 更新修改学生
+class StudentUpdate(BaseModel):
+    name: str | None = Field(default=None, min_length=1, max_length=50, description="学生姓名")
+    class_name: str | None = Field(default=None, description="班级名称")
+    gender: str | None = Field(default=None, pattern=r"^(男|女)$", description="性别：男/女")
+    class_no: str | None = Field(default=None, max_length=20, description="所属班级编号")
+    age: int | None = Field(default=None, ge=1, le=100, description="年龄")
+    hometown: str | None = Field(default=None, max_length=100, description="籍贯")
+    graduate_school: str | None = Field(default=None, max_length=100, description="毕业院校")
+    major: str | None = Field(default=None, max_length=50, description="专业")
+    education: str | None = Field(default=None, max_length=30, description="学历")
+    enrollment_date: date | None = Field(default=None, description="入学时间")
+    graduation_date: date | None = Field(default=None, description="毕业时间")
+    status: str | None = Field(default=None, description="状态：未毕业/进入就业/已就业")
+
+
+
+
+# 响应体
+class StudentResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)  #支持读取SQLAlchemy ORM对象属性
+    id: str
+    name: str
+    gender: str
+    class_name: str | None = None
+    age: int | None = None
+    hometown: str | None = None
+    graduate_school: str | None = None
+    major: str | None = None
+    education: str | None = None
+    enrollment_date: date | None = None
+    graduation_date: date | None = None
+    status: str | None = None
+    is_deleted: bool = False
+
+
+
+
+
+
diff --git a/seed_data.py b/seed_data.py
new file mode 100644
index 0000000..12807cd
--- /dev/null
+++ b/seed_data.py
@@ -0,0 +1,160 @@
+from database import SessionLocal, engine, Base
+from datetime import date, datetime
+
+
+from model.teachers import Teacher
+from model.counselor import Counselor
+from model.classes_model import Classes
+from model.student_info import Student
+from model.scores import Scores
+from model.employments import Employments
+
+# Base.metadata.drop_all(bind=engine)
+# Base.metadata.create_all(bind=engine)
+
+# 教师数据
+teachers_data = [
+    {"t_name": "周凌云", "t_gender": "男", "t_phone": "13800000001", "t_subject": "python",
+     "t_created": date(2023, 1, 1), "t_delete": False},
+    {"t_name": "张显", "t_gender": "女", "t_phone": "2783263268242", "t_subject": "mysql",
+     "t_created": date(2023, 1, 1), "t_delete": False},
+]
+
+# 2. 顾问数据
+counselors_data = [
+    {"name": "吴振玮", "c_time": date(2023, 1, 1), "c_de": False},
+    {"name": "孙波", "c_time": date(2023, 1, 1), "c_de": False},
+]
+
+# 班级数据
+classes_data = [
+    {"class_name": "沃林0803班", "head_teacher_name": "周凌云", "counselor_name": "吴振玮", "create_time": date(2023, 1, 1), "class_delete": False},
+    {"class_name": "沃林0814班", "head_teacher_name": "张显", "counselor_name": "孙波", "create_time": date(2023, 1, 1), "class_delete": False},
+    {"class_name": "沃林0824班", "head_teacher_name": "周凌云", "counselor_name": "孙波", "create_time": date(2023, 1, 1), "class_delete": False},
+]
+
+#  学生数据
+students_data = [
+    {"id": "2024001", "name": "张伟", "gender": "男", "class_name": "沃林0803班", "age": 22, "hometown": "北京",
+     "graduate_school": "北京四中", "major": "计算机科学与技术", "education": "本科",
+     "enrollment_date": date(2022, 9, 1), "graduation_date": date(2026, 6, 30), "status": "未就业", "is_deleted": False},
+    {"id": "2024002", "name": "王芳", "gender": "女", "class_name": "沃林0803班", "age": 23, "hometown": "上海",
+     "graduate_school": "上海中学", "major": "计算机科学与技术", "education": "硕士",
+     "enrollment_date": date(2022, 9, 1), "graduation_date": date(2026, 6, 30), "status": "在读", "is_deleted": False},
+    {"id": "2024003", "name": "李娜", "gender": "女", "class_name": "沃林0824班", "age": 24, "hometown": "广州",
+     "graduate_school": "华南师范大学附属中学", "major": "计算机科学与技术", "education": "本科",
+     "enrollment_date": date(2022, 9, 1), "graduation_date": date(2026, 6, 30), "status": "未就业", "is_deleted": False},
+    {"id": "2024004", "name": "刘洋", "gender": "男", "class_name": "沃林0824班", "age": 25, "hometown": "深圳",
+     "graduate_school": "深圳中学", "major": "计算机科学与技术", "education": "本科",
+     "enrollment_date": date(2022, 9, 1), "graduation_date": date(2026, 6, 30), "status": "已就业", "is_deleted": False},
+    {"id": "2024005", "name": "陈静", "gender": "女", "class_name": "沃林0803班", "age": 26, "hometown": "杭州",
+     "graduate_school": "杭州第二中学", "major": "软件工程", "education": "本科", "enrollment_date": date(2022, 9, 1),
+     "graduation_date": date(2026, 6, 30), "status": "在读", "is_deleted": False},
+    {"id": "2024006", "name": "杨强", "gender": "男", "class_name": "沃林0814班", "age": 27, "hometown": "成都",
+     "graduate_school": "成都七中", "major": "软件工程", "education": "本科", "enrollment_date": date(2022, 9, 1),
+     "graduation_date": date(2026, 6, 30), "status": "未就业", "is_deleted": False},
+    {"id": "2024007", "name": "赵敏", "gender": "女", "class_name": "沃林0803班", "age": 28, "hometown": "武汉",
+     "graduate_school": "武汉外国语学校", "major": "人工智能", "education": "硕士", "enrollment_date": date(2022, 9, 1),
+     "graduation_date": date(2026, 6, 30), "status": "已就业", "is_deleted": False},
+    {"id": "2024008", "name": "黄磊", "gender": "男", "class_name": "沃林0814班", "age": 29, "hometown": "南京",
+     "graduate_school": "南京师范大学附属中学", "major": "人工智能", "education": "本科",
+     "enrollment_date": date(2022, 9, 1), "graduation_date": date(2026, 6, 30), "status": "在读", "is_deleted": False},
+    {"id": "2024009", "name": "周杰", "gender": "男", "class_name": "沃林0824班", "age": 30, "hometown": "西安",
+     "graduate_school": "西安高新第一中学", "major": "网络工程", "education": "硕士",
+     "enrollment_date": date(2022, 9, 1), "graduation_date": date(2026, 6, 30), "status": "在读", "is_deleted": False},
+    {"id": "2024010", "name": "吴霞", "gender": "女", "class_name": "沃林0814班", "age": 31, "hometown": "重庆",
+     "graduate_school": "重庆巴蜀中学", "major": "网络工程", "education": "本科", "enrollment_date": date(2022, 9, 1),
+     "graduation_date": date(2026, 6, 30), "status": "已就业", "is_deleted": False},
+]
+
+# 5. 成绩数据
+scores_data = [
+    {"id": "2024001", "exam_round": 1, "score": 85, "is_warning": False, "is_deleted": False},
+    {"id": "2024002", "exam_round": 1, "score": 55, "is_warning": True, "is_deleted": False},
+    {"id": "2024003", "exam_round": 1, "score": 92, "is_warning": False, "is_deleted": False},
+    {"id": "2024004", "exam_round": 1, "score": 78, "is_warning": False, "is_deleted": False},
+    {"id": "2024005", "exam_round": 1, "score": 45, "is_warning": True, "is_deleted": False},
+]
+
+#6. 就业数据
+employments_data = [
+    {"id": "2024004", "offer_open": datetime(2026, 3, 1, 9, 0), "offer_review": datetime(2026, 3, 15, 14, 30), "emp": "腾讯科技", "sal": 25000.0, "is_deleted": False},
+    {"id": "2024007", "offer_open": datetime(2026, 2, 10, 10, 0), "offer_review": datetime(2026, 2, 20, 16, 0), "emp": "阿里巴巴", "sal": 30000.0, "is_deleted": False},
+    {"id": "2024010", "offer_open": datetime(2026, 4, 5, 9, 30), "offer_review": datetime(2026, 4, 12, 11, 0), "emp": "字节跳动", "sal": 28000.0, "is_deleted": False},
+    {"id": "2024001", "offer_open": datetime(2026, 5, 1, 9, 0), "offer_review": None, "emp": None, "sal": None, "is_deleted": False},
+    {"id": "2024002", "offer_open": None, "offer_review": None, "emp": None, "sal": None, "is_deleted": True},
+]
+
+
+def insert_data():
+    db = SessionLocal()
+    try:
+        # 插入教师
+        print("正在写入教师数据...")
+        for t in teachers_data:
+            if not db.query(Teacher).filter(Teacher.t_name == t["t_name"]).first():
+                db.add(Teacher(**t))
+        db.commit()
+
+        # 插入顾问 (Counselor)
+        print("正在写入顾问数据...")
+        for c in counselors_data:
+            if not db.query(Counselor).filter(Counselor.name == c["name"]).first():
+                db.add(Counselor(**c))
+        db.commit()
+
+        # 3. 插入班级 (Classes)
+        print("正在写入班级数据...")
+        for cl in classes_data:
+            if not db.query(Classes).filter(Classes.class_name == cl["class_name"]).first():
+                # 查找对应老师和顾问的自增 ID
+                t = db.query(Teacher).filter(Teacher.t_name == cl["head_teacher_name"]).first()
+                c = db.query(Counselor).filter(Counselor.name == cl["counselor_name"]).first()
+                if t and c:
+                    # 注意：Classes模型有 teachers 多对多关系，这里我们只处理必需的 head_teacher_id 和 counselor_id
+                    db.add(Classes(
+                        class_name=cl["class_name"],
+                        head_teacher_id=t.t_id,
+                        counselor_id=c.id,
+                        create_time=cl["create_time"],
+                        class_delete=cl["class_delete"]
+                    ))
+                else:
+                    print(f" 找不到班级 {cl['class_name']} 对应的老师或顾问，跳过！")
+        db.commit()
+
+        # --- 4. 插入学生 (Student) ---
+        print("正在写入学生数据...")
+        for s in students_data:
+            if not db.query(Student).filter(Student.id == s["id"]).first():
+                db.add(Student(**s))
+        db.commit()
+
+        # 5. 插入成绩 (Scores)
+        print("正在写入成绩数据...")
+        for sc in scores_data:
+            if not db.query(Scores).filter(Scores.id == sc["id"], Scores.exam_round == sc["exam_round"]).first():
+                db.add(Scores(**sc))
+        db.commit()
+
+        # 6. 插入就业信息 (Employments)
+        print("正在写入就业数据...")
+        for emp in employments_data:
+            if not db.query(Employments).filter(Employments.id == emp["id"]).first():
+                db.add(Employments(**emp))
+        db.commit()
+
+        # 最终统计
+        print(f"\n 数据初始化完成！")
+        print(f"班级: {db.query(Classes).count()} 个 | 学生: {db.query(Student).count()} 名")
+        print(f"成绩: {db.query(Scores).count()} 条 | 就业: {db.query(Employments).count()} 条")
+
+    except Exception as e:
+        db.rollback()
+        print(f"\n 插入失败，已回滚：{e}")
+    finally:
+        db.close()
+
+
+if __name__ == "__main__":
+    insert_data()
\ No newline at end of file
diff --git a/static/index.html b/static/index.html
new file mode 100644
index 0000000..d0db3c3
--- /dev/null
+++ b/static/index.html
@@ -0,0 +1,785 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>沃林学生管理系统</title>
+    <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
+    <link rel="stylesheet" href="https://unpkg.com/element-plus/dist/index.css" />
+    <script src="https://unpkg.com/element-plus"></script>
+    <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
+    <script src="https://unpkg.com/echarts/dist/echarts.min.js"></script>
+    <style>
+        body { margin: 0; padding: 0; font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', Arial, sans-serif; background-color: #f0f2f5; }
+        #app { display: flex; height: 100vh; }
+        .sidebar { width: 220px; background-color: #001529; color: #fff; display: flex; flex-direction: column; }
+        .sidebar h2 { text-align: center; color: #fff; padding: 20px 0; margin: 0; font-size: 18px; border-bottom: 1px solid #1f2d3d; }
+        .sidebar .el-menu { border-right: none; flex: 1; }
+        .main-content { flex: 1; padding: 20px; overflow-y: auto; }
+        .header-title { font-size: 24px; margin-bottom: 20px; color: #303133; font-weight: 500; }
+        .search-bar { margin-bottom: 20px; display: flex; gap: 10px; flex-wrap: wrap; }
+        .table-container { background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 2px 12px 0 rgba(0,0,0,0.05); }
+        .chart-container { height: 400px; margin-top: 20px; }
+        .stat-card { text-align: center; padding: 20px; }
+        .stat-card .num { font-size: 32px; font-weight: bold; color: #409EFF; margin-bottom: 10px; }
+        .stat-card .label { color: #909399; font-size: 14px; }
+    </style>
+</head>
+<body>
+    <div id="app">
+        <!-- 侧边栏 -->
+        <div class="sidebar">
+            <h2>沃林学生管理系统</h2>
+            <el-menu :default-active="activeMenu" background-color="#001529" text-color="#fff" active-text-color="#409EFF" @select="handleMenuSelect">
+                <el-menu-item index="dashboard">📊 统计分析</el-menu-item>
+                <el-menu-item index="students">👨‍🎓 学生管理</el-menu-item>
+                <el-menu-item index="classes">🏫 班级管理</el-menu-item>
+                <el-menu-item index="teachers">👨‍🏫 教师管理</el-menu-item>
+                <el-menu-item index="counselors">💼 顾问管理</el-menu-item>
+                <el-menu-item index="scores">📝 成绩管理</el-menu-item>
+                <el-menu-item index="employments">💼 就业管理</el-menu-item>
+            </el-menu>
+        </div>
+
+        <!-- 主内容区 -->
+        <div class="main-content">
+            <!-- 统计分析 -->
+            <div v-if="activeMenu === 'dashboard'">
+                <div class="header-title">统计分析</div>
+                <el-row :gutter="20">
+                    <el-col :span="8">
+                        <el-card shadow="hover" class="stat-card">
+                            <div class="num">{{ stats.totalStudents }}</div>
+                            <div class="label">学生总数</div>
+                        </el-card>
+                    </el-col>
+                    <el-col :span="8">
+                        <el-card shadow="hover" class="stat-card">
+                            <div class="num">{{ stats.totalClasses }}</div>
+                            <div class="label">班级总数</div>
+                        </el-card>
+                    </el-col>
+                    <el-col :span="8">
+                        <el-card shadow="hover" class="stat-card">
+                            <div class="num">{{ stats.totalTeachers }}</div>
+                            <div class="label">教师总数</div>
+                        </el-card>
+                    </el-col>
+                </el-row>
+                <el-row :gutter="20" style="margin-top: 20px;">
+                    <el-col :span="12">
+                        <el-card shadow="hover">
+                            <template #header><div class="card-header"><span>班级人数分布</span></div></template>
+                            <div ref="classChart" class="chart-container"></div>
+                        </el-card>
+                    </el-col>
+                    <el-col :span="12">
+                        <el-card shadow="hover">
+                            <template #header><div class="card-header"><span>就业薪资排名 (前5名)</span></div></template>
+                            <div ref="salaryChart" class="chart-container"></div>
+                        </el-card>
+                    </el-col>
+                </el-row>
+            </div>
+
+            <!-- 学生管理 -->
+            <div v-if="activeMenu === 'students'">
+                <div class="header-title">学生管理</div>
+                <div class="table-container">
+                    <div class="search-bar">
+                        <el-input v-model="studentQuery.id" placeholder="学号" style="width: 150px;" clearable></el-input>
+                        <el-input v-model="studentQuery.name" placeholder="姓名" style="width: 150px;" clearable></el-input>
+                        <el-input v-model="studentQuery.class_name" placeholder="班级" style="width: 150px;" clearable></el-input>
+                        <el-button type="primary" @click="fetchStudents">查询</el-button>
+                        <el-button type="success" @click="openStudentDialog()">新增学生</el-button>
+                    </div>
+                    <el-table :data="studentList" border stripe v-loading="loading">
+                        <el-table-column prop="id" label="学号" width="150"></el-table-column>
+                        <el-table-column prop="name" label="姓名" width="100"></el-table-column>
+                        <el-table-column prop="gender" label="性别" width="80"></el-table-column>
+                        <el-table-column prop="class_name" label="班级" width="150"></el-table-column>
+                        <el-table-column prop="age" label="年龄" width="80"></el-table-column>
+                        <el-table-column prop="major" label="专业" width="150"></el-table-column>
+                        <el-table-column prop="status" label="状态" width="100">
+                            <template #default="scope">
+                                <el-tag :type="scope.row.status === '已就业' ? 'success' : (scope.row.status === '未就业' ? 'danger' : 'warning')">{{ scope.row.status }}</el-tag>
+                            </template>
+                        </el-table-column>
+                        <el-table-column label="操作" width="150" fixed="right">
+                            <template #default="scope">
+                                <el-button size="small" @click="openStudentDialog(scope.row)">编辑</el-button>
+                                <el-button size="small" type="danger" @click="deleteStudent(scope.row.id)">删除</el-button>
+                            </template>
+                        </el-table-column>
+                    </el-table>
+                </div>
+            </div>
+
+            <!-- 班级管理 -->
+            <div v-if="activeMenu === 'classes'">
+                <div class="header-title">班级管理</div>
+                <div class="table-container">
+                    <div class="search-bar">
+                        <el-input v-model="classQuery.class_name" placeholder="班级名称" style="width: 200px;" clearable></el-input>
+                        <el-button type="primary" @click="fetchClasses">查询</el-button>
+                        <el-button type="success" @click="openClassDialog()">新增班级</el-button>
+                    </div>
+                    <el-table :data="classList" border stripe v-loading="loading">
+                        <el-table-column prop="class_id" label="ID" width="80"></el-table-column>
+                        <el-table-column prop="class_name" label="班级名称"></el-table-column>
+                        <el-table-column prop="head_teacher_id" label="班主任ID" width="120"></el-table-column>
+                        <el-table-column prop="counselor_id" label="顾问ID" width="120"></el-table-column>
+                        <el-table-column prop="create_time" label="创建时间" width="180"></el-table-column>
+                        <el-table-column label="操作" width="200" fixed="right">
+                            <template #default="scope">
+                                <el-button size="small" @click="openClassDialog(scope.row)">编辑</el-button>
+                                <el-button size="small" type="danger" @click="deleteClass(scope.row.class_id)">删除</el-button>
+                            </template>
+                        </el-table-column>
+                    </el-table>
+                    <el-pagination style="margin-top: 20px;" background layout="prev, pager, next" :total="classTotal" :page-size="classQuery.page_size" @current-change="handleClassPageChange"></el-pagination>
+                </div>
+            </div>
+
+            <!-- 教师管理 -->
+            <div v-if="activeMenu === 'teachers'">
+                <div class="header-title">教师管理</div>
+                <div class="table-container">
+                    <div class="search-bar"><el-button type="success" @click="openTeacherDialog()">新增教师</el-button></div>
+                    <el-table :data="teacherList" border stripe v-loading="loading">
+                        <el-table-column prop="t_id" label="ID" width="80"></el-table-column>
+                        <el-table-column prop="t_name" label="姓名" width="120"></el-table-column>
+                        <el-table-column prop="t_gender" label="性别" width="80"></el-table-column>
+                        <el-table-column prop="t_phone" label="电话" width="150"></el-table-column>
+                        <el-table-column prop="t_subject" label="教授科目" width="150"></el-table-column>
+                        <el-table-column prop="t_created" label="入职时间" width="150"></el-table-column>
+                        <el-table-column label="操作" width="200" fixed="right">
+                            <template #default="scope">
+                                <el-button size="small" @click="openTeacherDialog(scope.row)">编辑</el-button>
+                                <el-button size="small" type="danger" @click="deleteTeacher(scope.row.t_id, scope.row.t_name)">删除</el-button>
+                            </template>
+                        </el-table-column>
+                    </el-table>
+                    <el-pagination style="margin-top: 20px;" background layout="prev, pager, next" :total="teacherTotal" :page-size="teacherQuery.size" @current-change="handleTeacherPageChange"></el-pagination>
+                </div>
+            </div>
+
+            <!-- 顾问管理 -->
+            <div v-if="activeMenu === 'counselors'">
+                <div class="header-title">顾问管理</div>
+                <div class="table-container">
+                    <div class="search-bar"><el-button type="success" @click="openCounselorDialog()">新增顾问</el-button></div>
+                    <el-table :data="counselorList" border stripe v-loading="loading">
+                        <el-table-column prop="id" label="ID" width="80"></el-table-column>
+                        <el-table-column prop="name" label="姓名"></el-table-column>
+                        <el-table-column prop="c_time" label="入职时间"></el-table-column>
+                        <el-table-column label="操作" width="200" fixed="right">
+                            <template #default="scope">
+                                <el-button size="small" @click="openCounselorDialog(scope.row)">编辑</el-button>
+                                <el-button size="small" type="danger" @click="deleteCounselor(scope.row.id)">删除</el-button>
+                            </template>
+                        </el-table-column>
+                    </el-table>
+                </div>
+            </div>
+
+            <!-- 成绩管理 -->
+            <div v-if="activeMenu === 'scores'">
+                <div class="header-title">成绩管理</div>
+                <div class="table-container">
+                    <div class="search-bar">
+                        <el-input v-model="scoreQuery.id" placeholder="学号" style="width: 150px;" clearable></el-input>
+                        <el-input v-model="scoreQuery.exam_round" placeholder="考核序次" style="width: 150px;" clearable></el-input>
+                        <el-button type="primary" @click="fetchScores">查询</el-button>
+                        <el-button type="success" @click="openScoreDialog()">录入成绩</el-button>
+                    </div>
+                    <el-table :data="scoreList" border stripe v-loading="loading">
+                        <el-table-column prop="id" label="学号" width="150"></el-table-column>
+                        <el-table-column prop="exam_round" label="考核序次" width="120"></el-table-column>
+                        <el-table-column prop="score" label="成绩" width="100">
+                            <template #default="scope">
+                                <el-tag :type="scope.row.score < 60 ? 'danger' : 'success'">{{ scope.row.score }}</el-tag>
+                            </template>
+                        </el-table-column>
+                        <el-table-column label="操作" width="200" fixed="right">
+                            <template #default="scope">
+                                <el-button size="small" @click="openScoreDialog(scope.row)">修改</el-button>
+                                <el-button size="small" type="danger" @click="deleteScore(scope.row.id, scope.row.exam_round)">删除</el-button>
+                            </template>
+                        </el-table-column>
+                    </el-table>
+                </div>
+            </div>
+
+            <!-- 就业管理 -->
+            <div v-if="activeMenu === 'employments'">
+                <div class="header-title">就业管理</div>
+                <div class="table-container">
+                    <div class="search-bar">
+                        <el-input v-model="employmentQuery.id" placeholder="学号" style="width: 150px;" clearable></el-input>
+                        <el-input v-model="employmentQuery.name" placeholder="公司名称" style="width: 150px;" clearable></el-input>
+                        <el-button type="primary" @click="fetchEmployments">查询</el-button>
+                    </div>
+                    <el-table :data="employmentList" border stripe v-loading="loading">
+                        <el-table-column prop="id" label="学号" width="120"></el-table-column>
+                        <el-table-column prop="name" label="姓名" width="100"></el-table-column>
+                        <el-table-column prop="class_name" label="班级" width="150"></el-table-column>
+                        <el-table-column prop="emp" label="就业公司" width="150"></el-table-column>
+                        <el-table-column prop="sal" label="薪资" width="120"></el-table-column>
+                        <el-table-column prop="offer_open" label="就业开放时间" width="180"></el-table-column>
+                        <el-table-column prop="offer_review" label="Offer下发时间" width="180"></el-table-column>
+                        <el-table-column label="操作" width="150" fixed="right">
+                            <template #default="scope">
+                                <el-button size="small" @click="openEmploymentDialog(scope.row)">编辑</el-button>
+                            </template>
+                        </el-table-column>
+                    </el-table>
+                </div>
+            </div>
+        </div>
+
+        <!-- 弹窗：学生 -->
+        <el-dialog v-model="studentDialogVisible" :title="isStudentEdit ? '编辑学生' : '新增学生'" width="600px">
+            <el-form :model="studentForm" label-width="100px">
+                <el-form-item label="学号" v-if="!isStudentEdit">
+                    <el-input v-model="studentForm.id" placeholder="请输入学号（如 2024001）" maxlength="20" show-word-limit clearable></el-input>
+                </el-form-item>
+                <el-form-item label="学号" v-else>
+                    <el-input v-model="studentForm.id" disabled></el-input>
+                </el-form-item>
+                <el-form-item label="姓名"><el-input v-model="studentForm.name" placeholder="请输入姓名"></el-input></el-form-item>
+                <el-form-item label="性别">
+                    <el-radio-group v-model="studentForm.gender">
+                        <el-radio label="男">男</el-radio><el-radio label="女">女</el-radio>
+                    </el-radio-group>
+                </el-form-item>
+                <el-form-item label="班级"><el-input v-model="studentForm.class_name" placeholder="请输入班级名称"></el-input></el-form-item>
+                <el-form-item label="年龄"><el-input-number v-model="studentForm.age" :min="1" :max="100"></el-input-number></el-form-item>
+                <el-form-item label="专业"><el-input v-model="studentForm.major" placeholder="请输入专业"></el-input></el-form-item>
+                <el-form-item label="状态">
+                    <el-select v-model="studentForm.status" placeholder="请选择状态">
+                        <el-option label="在读" value="在读"></el-option>
+                        <el-option label="未就业" value="未就业"></el-option>
+                        <el-option label="已就业" value="已就业"></el-option>
+                    </el-select>
+                </el-form-item>
+            </el-form>
+            <template #footer>
+                <span class="dialog-footer">
+                    <el-button @click="studentDialogVisible = false">取消</el-button>
+                    <el-button type="primary" @click="saveStudent">确定</el-button>
+                </span>
+            </template>
+        </el-dialog>
+
+        <!-- 弹窗：班级 -->
+        <el-dialog v-model="classDialogVisible" :title="classForm.class_id ? '编辑班级' : '新增班级'" width="600px">
+            <el-form :model="classForm" label-width="100px">
+                <el-form-item label="班级名称"><el-input v-model="classForm.class_name" placeholder="请输入班级名称"></el-input></el-form-item>
+                <el-form-item label="班主任ID"><el-input-number v-model="classForm.head_teacher_id" :min="1"></el-input-number></el-form-item>
+                <el-form-item label="顾问ID"><el-input-number v-model="classForm.counselor_id" :min="1"></el-input-number></el-form-item>
+                <el-form-item label="开课时间"><el-date-picker v-model="classForm.create_time" type="date" placeholder="选择日期" value-format="YYYY-MM-DD"></el-date-picker></el-form-item>
+            </el-form>
+            <template #footer>
+                <span class="dialog-footer">
+                    <el-button @click="classDialogVisible = false">取消</el-button>
+                    <el-button type="primary" @click="saveClass">确定</el-button>
+                </span>
+            </template>
+        </el-dialog>
+
+        <!-- 弹窗：教师 -->
+        <el-dialog v-model="teacherDialogVisible" :title="teacherForm.t_id ? '编辑教师' : '新增教师'" width="600px">
+            <el-form :model="teacherForm" label-width="100px">
+                <el-form-item label="姓名"><el-input v-model="teacherForm.t_name" placeholder="请输入姓名"></el-input></el-form-item>
+                <el-form-item label="性别">
+                    <el-radio-group v-model="teacherForm.t_gender">
+                        <el-radio label="男">男</el-radio><el-radio label="女">女</el-radio>
+                    </el-radio-group>
+                </el-form-item>
+                <el-form-item label="电话"><el-input v-model="teacherForm.t_phone" placeholder="请输入电话"></el-input></el-form-item>
+                <el-form-item label="教授科目"><el-input v-model="teacherForm.t_subject" placeholder="请输入教授科目"></el-input></el-form-item>
+                <el-form-item label="入职时间"><el-date-picker v-model="teacherForm.t_created" type="date" placeholder="选择日期" value-format="YYYY-MM-DD"></el-date-picker></el-form-item>
+            </el-form>
+            <template #footer>
+                <span class="dialog-footer">
+                    <el-button @click="teacherDialogVisible = false">取消</el-button>
+                    <el-button type="primary" @click="saveTeacher">确定</el-button>
+                </span>
+            </template>
+        </el-dialog>
+
+        <!-- 弹窗：顾问 -->
+        <el-dialog v-model="counselorDialogVisible" :title="counselorForm.id ? '编辑顾问' : '新增顾问'" width="600px">
+            <el-form :model="counselorForm" label-width="100px">
+                <el-form-item label="ID" v-if="!counselorForm.id"><el-input-number v-model="counselorForm.id" :min="1"></el-input-number></el-form-item>
+                <el-form-item label="姓名"><el-input v-model="counselorForm.name" placeholder="请输入姓名"></el-input></el-form-item>
+                <el-form-item label="入职时间"><el-date-picker v-model="counselorForm.c_time" type="date" placeholder="选择日期" value-format="YYYY-MM-DD"></el-date-picker></el-form-item>
+            </el-form>
+            <template #footer>
+                <span class="dialog-footer">
+                    <el-button @click="counselorDialogVisible = false">取消</el-button>
+                    <el-button type="primary" @click="saveCounselor">确定</el-button>
+                </span>
+            </template>
+        </el-dialog>
+
+        <!-- 弹窗：成绩（修复学号无法输入） -->
+        <el-dialog v-model="scoreDialogVisible" :title="isScoreEdit ? '修改成绩' : '录入成绩'" width="600px">
+            <el-form :model="scoreForm" label-width="100px">
+                <el-form-item label="学号">
+                    <el-input v-model="scoreForm.id" placeholder="请输入学号" :disabled="isScoreEdit"></el-input>
+                </el-form-item>
+                <el-form-item label="考核序次">
+                    <el-input-number v-model="scoreForm.exam_round" :min="1" :max="10" :disabled="isScoreEdit"></el-input-number>
+                </el-form-item>
+                <el-form-item label="成绩">
+                    <el-input-number v-model="scoreForm.score" :min="0" :max="100"></el-input-number>
+                </el-form-item>
+            </el-form>
+            <template #footer>
+                <span class="dialog-footer">
+                    <el-button @click="scoreDialogVisible = false">取消</el-button>
+                    <el-button type="primary" @click="saveScore">确定</el-button>
+                </span>
+            </template>
+        </el-dialog>
+
+        <!-- 弹窗：就业 -->
+        <el-dialog v-model="employmentDialogVisible" title="编辑就业信息" width="600px">
+            <el-form :model="employmentForm" label-width="120px">
+                <el-form-item label="学号"><el-input v-model="employmentForm.id" disabled></el-input></el-form-item>
+                <el-form-item label="就业公司"><el-input v-model="employmentForm.emp" placeholder="请输入公司名称"></el-input></el-form-item>
+                <el-form-item label="薪资"><el-input-number v-model="employmentForm.sal" :min="0" :precision="2"></el-input-number></el-form-item>
+                <el-form-item label="就业开放时间"><el-date-picker v-model="employmentForm.offer_open" type="datetime" placeholder="选择时间" value-format="YYYY-MM-DDTHH:mm:ss"></el-date-picker></el-form-item>
+                <el-form-item label="Offer下发时间"><el-date-picker v-model="employmentForm.offer_review" type="datetime" placeholder="选择时间" value-format="YYYY-MM-DDTHH:mm:ss"></el-date-picker></el-form-item>
+            </el-form>
+            <template #footer>
+                <span class="dialog-footer">
+                    <el-button @click="employmentDialogVisible = false">取消</el-button>
+                    <el-button type="primary" @click="saveEmployment">确定</el-button>
+                </span>
+            </template>
+        </el-dialog>
+    </div>
+
+    <script>
+        const { createApp, ref, reactive, onMounted, nextTick } = Vue;
+        const { ElMessage, ElMessageBox } = ElementPlus;
+
+        const app = createApp({
+            setup() {
+                const activeMenu = ref('dashboard');
+                const loading = ref(false);
+                const baseUrl = 'http://127.0.0.1:8001';
+
+                // --- 统计分析 ---
+                const stats = reactive({ totalStudents: 0, totalClasses: 0, totalTeachers: 0 });
+                const classChart = ref(null);
+                const salaryChart = ref(null);
+
+                // --- 学生管理 ---
+                const studentList = ref([]);
+                const studentQuery = reactive({ id: '', name: '', class_name: '' });
+                const studentDialogVisible = ref(false);
+                const studentForm = reactive({ id: '', name: '', gender: '男', class_name: '', age: 18, major: '', status: '在读' });
+                const isStudentEdit = ref(false);
+
+                // --- 班级管理 ---
+                const classList = ref([]);
+                const classTotal = ref(0);
+                const classQuery = reactive({ class_name: '', page_num: 1, page_size: 10 });
+                const classDialogVisible = ref(false);
+                const classForm = reactive({ class_id: null, class_name: '', head_teacher_id: 1, counselor_id: 1, create_time: '' });
+
+                // --- 教师管理 ---
+                const teacherList = ref([]);
+                const teacherTotal = ref(0);
+                const teacherQuery = reactive({ page: 1, size: 10 });
+                const teacherDialogVisible = ref(false);
+                const teacherForm = reactive({ t_id: null, t_name: '', t_gender: '男', t_phone: '', t_subject: '', t_created: '' });
+
+                // --- 顾问管理 ---
+                const counselorList = ref([]);
+                const counselorDialogVisible = ref(false);
+                const counselorForm = reactive({ id: null, name: '', c_time: '' });
+
+                // --- 成绩管理 ---
+                const scoreList = ref([]);
+                const scoreQuery = reactive({ id: '', exam_round: '' });
+                const scoreDialogVisible = ref(false);
+                const scoreForm = reactive({ id: '', exam_round: 1, score: 0 });
+                const isScoreEdit = ref(false);  // ★ 新增：区分录入与修改
+
+                // --- 就业管理 ---
+                const employmentList = ref([]);
+                const employmentQuery = reactive({ id: '', name: '' });
+                const employmentDialogVisible = ref(false);
+                const employmentForm = reactive({ id: '', emp: '', sal: 0, offer_open: '', offer_review: '' });
+
+                // --- 菜单切换 ---
+                const handleMenuSelect = (index) => {
+                    activeMenu.value = index;
+                    if (index === 'dashboard') fetchStats();
+                    if (index === 'students') fetchStudents();
+                    if (index === 'classes') fetchClasses();
+                    if (index === 'teachers') fetchTeachers();
+                    if (index === 'counselors') fetchCounselors();
+                    if (index === 'scores') fetchScores();
+                    if (index === 'employments') fetchEmployments();
+                };
+
+                // --- API 请求方法 ---
+                const fetchStats = async () => {
+                    try {
+                        const stuRes = await axios.get(`${baseUrl}/students`);
+                        stats.totalStudents = stuRes.data.length;
+                        const classRes = await axios.get(`${baseUrl}/api/classes?page_num=1&page_size=100`);
+                        stats.totalClasses = classRes.data.total;
+                        const teaRes = await axios.get(`${baseUrl}/teacher/list?page=1&size=100`);
+                        stats.totalTeachers = teaRes.data.total;
+                        nextTick(() => { renderClassChart(); renderSalaryChart(); });
+                    } catch (e) { console.error(e); }
+                };
+
+                const renderClassChart = async () => {
+                    try {
+                        const res = await axios.get(`${baseUrl}/analysis/studnet_info/class`);
+                        const data = res.data;
+                        const chart = echarts.init(classChart.value);
+                        chart.setOption({
+                            tooltip: { trigger: 'axis' },
+                            legend: { data: ['总人数', '男', '女'] },
+                            xAxis: { type: 'category', data: data.map(i => i.class_name) },
+                            yAxis: { type: 'value' },
+                            series: [
+                                { name: '总人数', type: 'bar', data: data.map(i => i['总人数']) },
+                                { name: '男', type: 'bar', data: data.map(i => i['男']) },
+                                { name: '女', type: 'bar', data: data.map(i => i['女']) }
+                            ]
+                        });
+                    } catch (e) { console.error(e); }
+                };
+
+                const renderSalaryChart = async () => {
+                    try {
+                        const res = await axios.get(`${baseUrl}/analysis/studnet_employments_salary?n=5`);
+                        const data = res.data;
+                        const chart = echarts.init(salaryChart.value);
+                        chart.setOption({
+                            tooltip: { trigger: 'item' },
+                            xAxis: { type: 'category', data: data.map(i => i.student ? i.student.name : i.id) },
+                            yAxis: { type: 'value' },
+                            series: [{ data: data.map(i => i.sal), type: 'bar', color: '#67C23A' }]
+                        });
+                    } catch (e) { console.error(e); }
+                };
+
+                // ------- 学生 -------
+                const fetchStudents = async () => {
+                    loading.value = true;
+                    try {
+                        const params = {};
+                        if (studentQuery.id) params.id = studentQuery.id;
+                        if (studentQuery.name) params.name = studentQuery.name;
+                        if (studentQuery.class_name) params.class_name = studentQuery.class_name;
+                        const res = await axios.get(`${baseUrl}/students`, { params });
+                        studentList.value = res.data;
+                    } catch (e) { ElMessage.error('获取学生列表失败'); }
+                    loading.value = false;
+                };
+
+                const openStudentDialog = (row = null) => {
+                    if (row) {
+                        isStudentEdit.value = true;
+                        Object.assign(studentForm, row);
+                    } else {
+                        isStudentEdit.value = false;
+                        Object.assign(studentForm, { id: '', name: '', gender: '男', class_name: '', age: 18, major: '', status: '在读' });
+                    }
+                    studentDialogVisible.value = true;
+                };
+
+                const saveStudent = async () => {
+                    if (!studentForm.id) { ElMessage.warning('请填写学号'); return; }
+                    if (!studentForm.name) { ElMessage.warning('请填写姓名'); return; }
+                    if (!studentForm.class_name) { ElMessage.warning('请填写班级'); return; }
+                    try {
+                        if (isStudentEdit.value) {
+                            const { id, ...body } = studentForm;
+                            await axios.put(`${baseUrl}/students/${id}`, body);
+                            ElMessage.success('更新成功');
+                        } else {
+                            await axios.post(`${baseUrl}/students`, studentForm);
+                            ElMessage.success('创建成功');
+                        }
+                        studentDialogVisible.value = false;
+                        fetchStudents();
+                    } catch (e) { ElMessage.error(e.response?.data?.detail || '操作失败'); }
+                };
+
+                const deleteStudent = async (id) => {
+    try {
+        await ElMessageBox.confirm(
+            '此操作将学生标记为已删除（逻辑删除），数据库记录仍会保留，且支持后续恢复。是否继续？',
+            '逻辑删除确认',
+            { type: 'warning', confirmButtonText: '确定删除', cancelButtonText: '取消' }
+        );
+        await axios.delete(`${baseUrl}/students/${id}`);
+        ElMessage.success('学生已逻辑删除，数据仍保留在库中');
+        fetchStudents();
+    } catch (e) {
+        if (e !== 'cancel') ElMessage.error('删除失败');
+    }
+};
+
+                // ------- 班级 -------
+                const fetchClasses = async () => {
+                    loading.value = true;
+                    try {
+                        const res = await axios.get(`${baseUrl}/api/classes`, { params: classQuery });
+                        classList.value = res.data.items;
+                        classTotal.value = res.data.total;
+                    } catch (e) { ElMessage.error('获取班级列表失败'); }
+                    loading.value = false;
+                };
+
+                const handleClassPageChange = (val) => { classQuery.page_num = val; fetchClasses(); };
+
+                const openClassDialog = (row = null) => {
+                    if (row) { Object.assign(classForm, row); }
+                    else { Object.assign(classForm, { class_id: null, class_name: '', head_teacher_id: 1, counselor_id: 1, create_time: '' }); }
+                    classDialogVisible.value = true;
+                };
+
+                const saveClass = async () => {
+                    try {
+                        if (classForm.class_id) {
+                            await axios.put(`${baseUrl}/api/classes/${classForm.class_id}/base`, classForm);
+                            ElMessage.success('更新成功');
+                        } else {
+                            await axios.post(`${baseUrl}/api/classes`, classForm);
+                            ElMessage.success('创建成功');
+                        }
+                        classDialogVisible.value = false;
+                        fetchClasses();
+                    } catch (e) { ElMessage.error(e.response?.data?.detail || '操作失败'); }
+                };
+
+                const deleteClass = async (id) => {
+                    try {
+                        await ElMessageBox.confirm('确定要删除该班级吗？', '提示', { type: 'warning' });
+                        await axios.put(`${baseUrl}/api/classes/batch-delete`, { class_ids: [id], deleted: true });
+                        ElMessage.success('删除成功');
+                        fetchClasses();
+                    } catch (e) { if (e !== 'cancel') ElMessage.error('删除失败'); }
+                };
+
+                // ------- 教师 -------
+                const fetchTeachers = async () => {
+                    loading.value = true;
+                    try {
+                        const res = await axios.get(`${baseUrl}/teacher/list`, { params: teacherQuery });
+                        teacherList.value = res.data.list;
+                        teacherTotal.value = res.data.total;
+                    } catch (e) { ElMessage.error('获取教师列表失败'); }
+                    loading.value = false;
+                };
+
+                const handleTeacherPageChange = (val) => { teacherQuery.page = val; fetchTeachers(); };
+
+                const openTeacherDialog = (row = null) => {
+                    if (row) { Object.assign(teacherForm, row); }
+                    else { Object.assign(teacherForm, { t_id: null, t_name: '', t_gender: '男', t_phone: '', t_subject: '', t_created: '' }); }
+                    teacherDialogVisible.value = true;
+                };
+
+                const saveTeacher = async () => {
+                    try {
+                        if (teacherForm.t_id) {
+                            await axios.put(`${baseUrl}/teacher/${teacherForm.t_id}`, teacherForm);
+                            ElMessage.success('更新成功');
+                        } else {
+                            await axios.post(`${baseUrl}/teacher/teachers`, teacherForm);
+                            ElMessage.success('创建成功');
+                        }
+                        teacherDialogVisible.value = false;
+                        fetchTeachers();
+                    } catch (e) { ElMessage.error(e.response?.data?.detail || '操作失败'); }
+                };
+
+                const deleteTeacher = async (t_id, t_name) => {
+                    try {
+                        await ElMessageBox.confirm('确定要删除该教师吗？', '提示', { type: 'warning' });
+                        await axios.delete(`${baseUrl}/teacher/${t_id}`, { data: { t_id, t_name } });
+                        ElMessage.success('删除成功');
+                        fetchTeachers();
+                    } catch (e) { if (e !== 'cancel') ElMessage.error('删除失败'); }
+                };
+
+                // ------- 顾问 -------
+                const fetchCounselors = async () => {
+                    loading.value = true;
+                    try {
+                        counselorList.value = [
+                            { id: 1, name: '吴振玮', c_time: '2023-01-01' },
+                            { id: 2, name: '孙波', c_time: '2023-01-01' }
+                        ];
+                    } catch (e) { ElMessage.error('获取顾问列表失败'); }
+                    loading.value = false;
+                };
+
+                const openCounselorDialog = (row = null) => {
+                    if (row) { Object.assign(counselorForm, row); }
+                    else { Object.assign(counselorForm, { id: null, name: '', c_time: '' }); }
+                    counselorDialogVisible.value = true;
+                };
+
+                const saveCounselor = async () => {
+                    try {
+                        if (counselorForm.id) {
+                            await axios.put(`${baseUrl}/counselor/${counselorForm.id}`, counselorForm);
+                            ElMessage.success('更新成功');
+                        } else {
+                            await axios.post(`${baseUrl}/counselor/counselors/`, counselorForm);
+                            ElMessage.success('创建成功');
+                        }
+                        counselorDialogVisible.value = false;
+                        fetchCounselors();
+                    } catch (e) { ElMessage.error(e.response?.data?.detail || '操作失败'); }
+                };
+
+                const deleteCounselor = async (id) => {
+                    try {
+                        await ElMessageBox.confirm('确定要删除该顾问吗？', '提示', { type: 'warning' });
+                        await axios.delete(`${baseUrl}/counselor/${id}`, { data: { id } });
+                        ElMessage.success('删除成功');
+                        fetchCounselors();
+                    } catch (e) { if (e !== 'cancel') ElMessage.error('删除失败'); }
+                };
+
+                // ------- 成绩 -------
+                const fetchScores = async () => {
+                    loading.value = true;
+                    try {
+                        if (scoreQuery.id) {
+                            const res = await axios.get(`${baseUrl}/scores/query/id?id=${scoreQuery.id}`);
+                            scoreList.value = res.data.msg || [];
+                        } else if (scoreQuery.exam_round) {
+                            const res = await axios.get(`${baseUrl}/scores/query/round?exam_round=${scoreQuery.exam_round}`);
+                            scoreList.value = res.data.msg || [];
+                        } else {
+                            scoreList.value = [];
+                        }
+                    } catch (e) { ElMessage.error('获取成绩列表失败'); }
+                    loading.value = false;
+                };
+
+                const openScoreDialog = (row = null) => {
+                    if (row) {
+                        // 编辑模式
+                        isScoreEdit.value = true;
+                        Object.assign(scoreForm, row);
+                    } else {
+                        // 录入模式
+                        isScoreEdit.value = false;
+                        Object.assign(scoreForm, { id: '', exam_round: 1, score: 0 });
+                    }
+                    scoreDialogVisible.value = true;
+                };
+
+                const saveScore = async () => {
+                    if (!scoreForm.id) { ElMessage.warning('请输入学号'); return; }
+                    if (!scoreForm.exam_round) { ElMessage.warning('请输入考核序次'); return; }
+                    try {
+                        if (isScoreEdit.value) {
+                            await axios.put(`${baseUrl}/scores/update?id=${scoreForm.id}&exam_round=${scoreForm.exam_round}&score=${scoreForm.score}`);
+                            ElMessage.success('修改成功');
+                        } else {
+                            await axios.post(`${baseUrl}/scores/add?id=${scoreForm.id}&exam_round=${scoreForm.exam_round}&score=${scoreForm.score}`);
+                            ElMessage.success('录入成功');
+                        }
+                        scoreDialogVisible.value = false;
+                        fetchScores();
+                    } catch (e) { ElMessage.error(e.response?.data?.msg || '操作失败'); }
+                };
+
+                const deleteScore = async (id, exam_round) => {
+                    try {
+                        await ElMessageBox.confirm('确定要删除该成绩吗？', '提示', { type: 'warning' });
+                        await axios.delete(`${baseUrl}/scores/delete?id=${id}&exam_round=${exam_round}`);
+                        ElMessage.success('删除成功');
+                        fetchScores();
+                    } catch (e) { if (e !== 'cancel') ElMessage.error('删除失败'); }
+                };
+
+                // ------- 就业 -------
+                const fetchEmployments = async () => {
+                    loading.value = true;
+                    try {
+                        const params = {};
+                        if (employmentQuery.id) params.mid = employmentQuery.id;
+                        if (employmentQuery.name) params.name = employmentQuery.name;
+                        const res = await axios.get(`${baseUrl}/employment/query`, { params });
+                        employmentList.value = res.data;
+                    } catch (e) { ElMessage.error('获取就业列表失败'); }
+                    loading.value = false;
+                };
+
+                const openEmploymentDialog = (row) => {
+                    Object.assign(employmentForm, row);
+                    employmentDialogVisible.value = true;
+                };
+
+                const saveEmployment = async () => {
+                    try {
+                        await axios.post(`${baseUrl}/employment/students/${employmentForm.id}`, {
+                            offer_open: employmentForm.offer_open || null,
+                            offer_review: employmentForm.offer_review || null,
+                            emp: employmentForm.emp || null,
+                            sal: employmentForm.sal || null
+                        });
+                        ElMessage.success('更新成功');
+                        employmentDialogVisible.value = false;
+                        fetchEmployments();
+                    } catch (e) { ElMessage.error(e.response?.data?.detail || '操作失败'); }
+                };
+
+                onMounted(() => { fetchStats(); });
+
+                return {
+                    activeMenu, handleMenuSelect, loading, stats, classChart, salaryChart,
+
+                    // 学生
+                    studentList, studentQuery, fetchStudents,
+                    studentDialogVisible, studentForm, isStudentEdit,
+                    openStudentDialog, saveStudent, deleteStudent,
+
+                    // 班级
+                    classList, classTotal, classQuery, fetchClasses, handleClassPageChange,
+                    classDialogVisible, classForm, openClassDialog, saveClass, deleteClass,
+
+                    // 教师
+                    teacherList, teacherTotal, teacherQuery, fetchTeachers, handleTeacherPageChange,
+                    teacherDialogVisible, teacherForm, openTeacherDialog, saveTeacher, deleteTeacher,
+
+                    // 顾问
+                    counselorList, fetchCounselors, counselorDialogVisible, counselorForm,
+                    openCounselorDialog, saveCounselor, deleteCounselor,
+
+                    // 成绩
+                    scoreList, scoreQuery, fetchScores, scoreDialogVisible, scoreForm,
+                    isScoreEdit, openScoreDialog, saveScore, deleteScore,
+
+                    // 就业
+                    employmentList, employmentQuery, fetchEmployments, employmentDialogVisible,
+                    employmentForm, openEmploymentDialog, saveEmployment
+                };
+            }
+        });
+
+        app.use(ElementPlus);
+        app.mount('#app');
+    </script>
+</body>
+</html>
\ No newline at end of file