diff --git a/api/class_api.py b/api/class_api.py
new file mode 100644
index 0000000..c16e12f
--- /dev/null
+++ b/api/class_api.py
@@ -0,0 +1,78 @@
+from fastapi import APIRouter,Depends,HTTPException,Query
+from dao.class_dao import add_class_dao, update_class_dao, delete_class_dao, hard_delete_class_dao,class_no_exist,get_class_list_dao,get_class_by_id_dao
+from schema.class_schema import ClassCreate,ClassResponse,ClassUpdate
+from database import get_db
+from typing import Optional
+from sqlalchemy.orm import Session
+class_router = APIRouter()
+@class_router.post('',response_model=ClassResponse,summary='添加班级信息')
+def add_class(c:ClassCreate,db=Depends(get_db)):
+    if class_no_exist(c.class_id,db):
+        raise HTTPException(status_code=404,detail='该编号已经存在')
+    ok,result = add_class_dao(c.model_dump(),db)
+    if not ok:
+        raise HTTPException(status_code=500,detail='服务器繁忙或指定的老师不存在')
+    return ClassResponse(totals=1,data=result)
+@class_router.put('/{id}',summary='更新班级信息')
+def update_class(id:int,c:ClassUpdate,db=Depends(get_db)):
+    d = c.model_dump()
+    r = update_class_dao(id=id ,update_data=d,db=db)
+    if not r:
+        raise HTTPException(status_code=500,detail='更新失败')
+    return{'code':200,'total':1,'detail':'更新成功'}
+'''
+@class_app.get('')
+def get_class(id:int,db=Depends(get_db),page:int=1,page_size:int=10):
+    rows = get_class_dao(id=id,db=db,page=page,page_size=page_size)
+    if rows:
+        return rows
+    raise HTTPException(status_code=404,detail='该班级不存在')
+'''
+@class_router.get('',summary='查询班级信息')
+def get_classes(
+        id: Optional[int] = Query(None, description="班级ID"),
+        class_id: Optional[str] = Query(None, description="班级编号"),
+        class_name: Optional[str] = Query(None, description="班级名称（支持模糊搜索）"),
+        ht_id: Optional[int] = Query(None, description="班主任ID"),
+        t_id: Optional[int] = Query(None, description="教师ID"),
+        page: int = Query(1, ge=1, description="页码"),
+        page_size: int = Query(10, ge=1, le=100, description="每页条数"),
+        db: Session = Depends(get_db)
+):
+    # 如果明确传了 id，当作单条查询处理
+    if id is not None:
+        single_class = get_class_by_id_dao(id=id, db=db)
+        if not single_class:
+            raise HTTPException(status_code=404, detail="该班级不存在")
+        return single_class
+
+    # 多条件列表查询
+    total, items = get_class_list_dao(
+        db=db,
+        class_id=class_id,
+        class_name=class_name,
+        ht_id=ht_id,
+        t_id=t_id,
+        page=page,
+        page_size=page_size
+    )
+
+    return {
+        "total": total,
+        "page": page,
+        "page_size": page_size,
+        "items": items
+    }
+@class_router.delete('/{id}',summary='软删除') #软删除
+def delete_class(id:int,db=Depends(get_db)):
+    rows = delete_class_dao(id=id,db=db)
+    if not rows:
+            raise HTTPException(status_code=404,detail='该班级不存在或已删除')
+    return{'code':200,'total':rows,'detail':'删除成功'}
+
+@class_router.delete('{id}/hard',summary='删除班级信息')
+def hard_delete_class(id:int,db=Depends(get_db)):
+    rows = hard_delete_class_dao(id=id,db=db)
+    if not rows:
+        raise HTTPException(status_code=404,detail='该班级不存在')
+    return{'code':200,'total':rows,'detail':'物理删除成功'}
diff --git a/api/epy_api.py b/api/epy_api.py
new file mode 100644
index 0000000..57186f4
--- /dev/null
+++ b/api/epy_api.py
@@ -0,0 +1,35 @@
+from fastapi import APIRouter,Depends,HTTPException
+from database import *
+from schema.epy_schema import EmploymentRequest
+from dao.epy_dao import get_employment_dao,wq_employment_dao,upd_employment_dao,del_employment_dao
+epy_router = APIRouter()
+
+
+@epy_router.get('',summary='查询就业信息')
+def get_employment(stu_id:str,company:str,salary:int,db=Depends(get_db)):     # get变动
+    try:
+        rows = get_employment_dao(db, stu_id, company, salary)
+        if not rows:                                                          # dao层返回的是q.() 是列表
+            return {'code':404,'detail':'数据不存在','total':[]}                # 数据不存在返回报错信息
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f'查询失败:{str(e)}')
+    return {'code':200,'detail':'查询成功','date':[{'stu_id':i.stu_id,'company':i.company,'salary':i.salary} for i in rows]}
+
+
+@epy_router.post('',summary='新增就业信息')
+def add_employment(e:EmploymentRequest,db=Depends(get_db)):
+        d= e.model_dump()
+        r = wq_employment_dao(d,db)
+        return {'code':200,'detail':'添加成功!','total':r}
+#
+#
+@epy_router.put('',summary='更新就业信息')
+def update_employment(e:EmploymentRequest,db=Depends(get_db)):
+    e1 = e.model_dump()
+    r = upd_employment_dao(e1,db)
+    return {'code':200,'msg':'更新成功','total':r}
+#
+@epy_router.delete('',summary='删除就业信息')
+def delete_employment(stu_id:str,db=Depends(get_db)):
+    r =del_employment_dao(stu_id,db)
+    return {'code':200,'totals':r,'detail':'删除成功!'}
diff --git a/api/sc_api.py b/api/sc_api.py
new file mode 100644
index 0000000..87809c5
--- /dev/null
+++ b/api/sc_api.py
@@ -0,0 +1,45 @@
+from database import get_db
+from fastapi import APIRouter,Depends
+from  dao.sc_dao import  a,a1,a2,a3,a4,a5
+from schema.sc_schema import Test
+
+score_router=APIRouter()
+@score_router.post('',summary='添加成绩信息')
+def scores(s:Test,db=Depends(get_db)):
+    d = s.model_dump()
+    a(d,db)
+    return  {'code':200,'detail':'添加成功！',}
+@score_router.delete('',summary='删除成绩信息')
+def scores1(stu_id:int,db=Depends(get_db)):
+    r = a1(stu_id,db)
+    if r==0:
+        return '没有该学生'
+    else:
+        return f'已删除学生编号为{stu_id}的学生'
+@score_router.put('',summary='更新成绩信息')
+def scores2(stu_id:int,exam_seq:int,s:Test,db=Depends(get_db)):
+    r=a2(stu_id,exam_seq,s,db)
+    if r!=0:
+        return '更新成功'
+    else:
+        return '没有该数据'
+@score_router.get('',summary='通过学号查询成绩信息')
+def scores3(stu_id:int,exam_seq:int,db=Depends(get_db)):
+    r=a3(stu_id,exam_seq,db)
+    try:
+        return {'成绩编号':r.id,'学生编号':r.stu_id,f'第{exam_seq}次成绩:':r.score,'创建日期':r.create_date,'更新日期':r.update_date}
+    except:
+        return '没有该学生'
+@score_router.delete('/{stu_id}',summary='软删除')
+def scores4(stu_id:int,exam_seq:int,db=Depends(get_db)):
+    r=a4(stu_id, exam_seq, db)
+    if r == 1:
+        return '没有该数据'
+    else:
+        return '已删除'
+@score_router.get('/{stu_id}',summary='计算总分、平均分、最大值、最小值')
+def scores5(stu_id:int,db=Depends(get_db)):
+    s,r,a=a5(stu_id,db)
+
+    return f'总分:{s},平均分：{s/len(r)},最大值：{max(a)},最小值：{min(a)}'
+
diff --git a/api/stu_api.py b/api/stu_api.py
new file mode 100644
index 0000000..a066079
--- /dev/null
+++ b/api/stu_api.py
@@ -0,0 +1,92 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from database import get_db
+from dao.stu_dao import create_student, get_student_by_id, get_student_list, update_student, delete_student_logic
+from schema.stu_schema import (
+    StudentCreateRequest,
+    StudentUpdateRequest,
+    StudentQuery,
+    StudentResponse,
+    StudentPageResponse
+)
+
+# 创建路由对象 API Router1
+stu_router = APIRouter()
+@stu_router.post("", response_model=StudentResponse, summary="新增学生")
+def add_student(
+    student_req: StudentCreateRequest,
+    db: Session = Depends(get_db)
+):
+    db_stu = create_student(db, student_req)
+    if db_stu is None:
+        raise HTTPException(status_code=500, detail="新增学生失败，数据库异常")
+    return StudentResponse.model_validate(db_stu)
+
+
+@stu_router.get("", response_model=StudentPageResponse, summary="根据学号姓名班级查询")
+def get_student_page(
+    query: StudentQuery = Depends(),
+    db: Session = Depends(get_db)
+):
+    total, db_stu_list = get_student_list(
+        db,
+        stu_id=query.stu_id,
+        stu_name=query.stu_name,
+        class_id=query.class_id,
+        page=query.page,
+        page_size=query.page_size
+    )
+    if total == 0:
+        raise HTTPException(status_code=404, detail="没有找到符合条件的学生")
+
+    item_list = [StudentResponse.model_validate(s) for s in db_stu_list]
+
+    return StudentPageResponse(
+        total=total,
+        page=query.page,
+        page_size=query.page_size,
+        items=item_list
+    )
+
+
+@stu_router.get("/{stu_id}", response_model=StudentResponse, summary="根据学号查询")
+def get_one_student(
+    stu_id: str,
+    db: Session = Depends(get_db)
+):
+    db_stu = get_student_by_id(db, stu_id)
+    if db_stu is None:
+        raise HTTPException(status_code=404, detail="该学生不存在")
+    return StudentResponse.model_validate(db_stu)
+
+@stu_router.put("/{stu_id}", response_model=StudentResponse, summary="修改学生信息")
+def edit_student(
+    stu_id: str,
+    update_req: StudentUpdateRequest,
+    db: Session = Depends(get_db)
+):
+    exist = get_student_by_id(db, stu_id)
+    if exist is None:
+        raise HTTPException(status_code=404, detail="该学生不存在")
+
+    db_stu = update_student(db, stu_id, update_req)
+    if db_stu is None:
+        raise HTTPException(status_code=500, detail="修改学生失败，数据库异常")
+
+    return StudentResponse.model_validate(db_stu)
+
+
+@stu_router.delete("/{stu_id}", response_model=StudentResponse, summary="删除学生信息")
+def remove_student(
+    stu_id: str,
+    db: Session = Depends(get_db)
+):
+    exist = get_student_by_id(db, stu_id)
+    if exist is None:
+        raise HTTPException(status_code=404, detail="该学生不存在")
+
+    db_stu = delete_student_logic(db, stu_id)
+    if db_stu is None:
+        raise HTTPException(status_code=500, detail="删除学生失败，数据库异常")
+
+    return StudentResponse.model_validate(db_stu)
diff --git a/api/th_api.py b/api/th_api.py
new file mode 100644
index 0000000..48f0b74
--- /dev/null
+++ b/api/th_api.py
@@ -0,0 +1,59 @@
+from fastapi import APIRouter,Depends,UploadFile,File,Query
+from dao.th_dao import insert_teachers_dao,update_teachers_dao,delete_teachers_dao,get_teachers_limit_dao,get_teachers_name_dao
+from schema.th_schema import RequestModel, ResponseModel
+from database import get_db
+
+t_router = APIRouter()
+
+@t_router.get("",summary='分页查询教师接口')
+def get_teachers(p:int=Query(default=0,ge=0,description='页码,0表示查询全部'),
+                 n:int=Query(default=0,ge=0,description='每页条数,0表示查询全部'),
+                 db=Depends(get_db)):
+    db_teachers = get_teachers_limit_dao(p,n,db)
+    return ResponseModel(data=db_teachers,total=len(db_teachers))
+
+@t_router.get("/{name}",summary='通过名称查询教师接口')
+def get_name_teachers(name:str,db=Depends(get_db)):
+    db_teachers = get_teachers_name_dao(name,db)
+    return ResponseModel(data=db_teachers,total=len(db_teachers))
+
+@t_router.post("",summary='新增教师接口')
+def insert_teachers(req:RequestModel,db=Depends(get_db)):
+    rq= req.model_dump()
+    n,m = insert_teachers_dao(rq,db)
+    # print('打印获取的值:',n,m)
+    return ResponseModel(total=n,msg=m)
+
+@t_router.put("",summary='更新教师接口')
+def update_teachers(req:RequestModel,db=Depends(get_db)):
+    rq= req.model_dump()
+    n,m = update_teachers_dao(rq,db)
+    return ResponseModel(total=n,msg=m)
+
+@t_router.delete("/{t_id}",summary='删除教师接口')
+def delete_teachers(t_id:int,db=Depends(get_db)):
+    n,m =delete_teachers_dao(t_id,db)
+    return ResponseModel(msg=m,total=n)
+
+@t_router.post('/files',summary='上传文件接口')
+async def upload_files(f:UploadFile=File(),db=Depends(get_db)):
+    # print('UploadFile上传文件,读取该对象:',f)
+    text =await f.read()
+    l =text.decode('utf-8').split('\n')
+    lg = 0
+    dt = []
+    print('长度为',lg,l)
+    for i in l:
+        if '教师编号' in i:
+            continue
+        p = i.split()
+        if not p:          # 判断如果p为[],跳过
+            continue
+        l2 = ['t_id','t_name','t_age','t_phone','t_sex','class_id']
+        d =dict()
+        for j in range(len(p)):
+            d[l2[j]]=p[j]
+        insert_teachers_dao(d,db)
+        lg = lg + 1
+        dt.append(d)
+    return ResponseModel(msg='上传成功',total=lg,data=dt)