蒋立建

PythonProject/api/cla_api.py

@@ -1,24 +1,32 @@
-from fastapi import APIRouter, Depends
+from fastapi import APIRouter, Depends, Query
+from typing import Annotated
 from util.database import get_db
 from schema.cla_schema import claRequest
-from dao.cla_dao import add_class_dao,get_class_dao,update_class_dao,delete_class_dao
+from dao.cla_dao import add_class_dao, get_class_dao, update_class_dao, delete_class_dao
 
 claAPI = APIRouter(prefix="/class", tags=["班级管理模块"])
 
+
 @claAPI.post("/", summary="新增班级信息")
-def add_class(data: claRequest, Session = Depends(get_db)):
+def add_class(data: claRequest, Session=Depends(get_db)):
     return add_class_dao(data, Session)
 
+
 @claAPI.get("/list", summary="查询班级信息")
-def list_class(n:int,m:int,Session = Depends(get_db)):
-    return get_class_dao(n,m,Session)
+def list_class(
+        n: Annotated[int, Query(ge=1, description="页码，从1开始")],
+        m: Annotated[int, Query(ge=1, description="每页条数")],
+        Session=Depends(get_db)):
+    return get_class_dao(n, m, Session)
+
 
 @claAPI.put("/{class_id}", summary="更新班级信息")
-def update_class(class_id: int, data: claRequest, Session = Depends(get_db)):
+def update_class(class_id: int, data: claRequest, Session=Depends(get_db)):
     return update_class_dao(class_id, data, Session)
 
+
 @claAPI.delete("/{class_id}", summary="逻辑删除班级信息")
-def delete_class(class_id: int, Session = Depends(get_db)):
+def delete_class(class_id: int, Session=Depends(get_db)):
     return delete_class_dao(class_id, Session)
 
 

PythonProject/api/employment_api.py

@@ -6,16 +6,24 @@ from util.database import get_db
 from typing import Optional
 emp_api = APIRouter(tags=['学生就业管理模块'])
 
+@emp_api.get('/employment/student/{stu_id}',response_model=list[EmploymentResponse],summary='获取学生就业信息')
+def get_emp_info1(stu_id: Optional[int]=Path(description='学生编号')
+                  ,db=Depends(get_db)):
+    e = employment_dao.get_emp_dao(stu_id=stu_id, db=db)
+    if e:
+        return e
+    raise HTTPException(status_code=404, detail='该学生就业信息不存在')
+
 @emp_api.get('/employment/class/{class_id}',response_model=list[EmploymentResponse],summary='获取班级学生就业信息')
-def get_emp_info1(class_id: Optional[int]=Path(description='班级编号')
+def get_emp_info2(class_id: Optional[int]=Path(description='班级编号')
                   ,db=Depends(get_db)):
     e1 = employment_dao.get_emp_dao(class_id=class_id, db=db)
     if e1:
         return e1
     raise HTTPException(status_code=404, detail='该班级就业信息不存在')
 
-@emp_api.get('/employment/students/{stu_id}',response_model=list[EmploymentResponse],summary='按照学⽣编号，公司名字，⼯资范围查询学⽣就业信息')
-def get_emp_info2(stu_id:int = Path(description='学生编号')
+@emp_api.get('/employment/students',response_model=list[EmploymentResponse],summary='按照学⽣编号，公司名字，⼯资范围查询学⽣就业信息')
+def get_emp_info3(stu_id:int|None = Query(None,description='学生编号')
                   ,company_name: str|None = Query(None,description='公司名称')
                   ,min_salary: float|None = Query(None,ge=0,description='最低工资')
                   ,max_salary: float|None = Query(None,ge=0,description='最高工资')
@@ -31,24 +39,24 @@ def get_emp_info2(stu_id:int = Path(description='学生编号')
         raise HTTPException(status_code=404,detail='该学生就业信息不存在！')
     return l1
 
-@emp_api.post('/employment/students/{stu_id}',response_model=EmploymentResponse,summary='新增学生就业信息')
+@emp_api.post('/employment/student/{stu_id}',summary='新增学生就业信息')
 def create_emp_info(emp:EmploymentRequest=Form(),db=Depends(get_db)):
     d=emp.model_dump(exclude_unset=False)
     r=add_emp_dao(d,db)
     if not r:
         raise HTTPException(status_code=500,detail='服务器繁忙，请稍后添加！')
-    return r
+    return {'code':200,'detail':'插入成功！'}
 
-@emp_api.put('/employment/students/{emp_id}',summary='更新学生就业信息')
-def update_emp_info(emp_id:int,emp:UpdateEmpRequest,db=Depends(get_db)):
-    r = update_emp_dao(emp_id,emp.model_dump(exclude_unset=True),db)
+@emp_api.put('/employment/students/{stu_id}',summary='更新学生就业信息')
+def update_emp_info(stu_id:int,emp:UpdateEmpRequest,db=Depends(get_db)):
+    r = update_emp_dao(stu_id,emp.model_dump(exclude_unset=True),db)
     if not r:
         raise HTTPException(status_code=500,detail='没有更新！')
     return {'code':200,'totals':r,'detail':'更新成功！'}
 
-@emp_api.delete('/employment/{emp_id}',summary='删除学生就业信息')
-def delete_emp_info(emp_id:int=Path(description='序号'),db=Depends(get_db)):
-    rows = delete_emp_dao(emp_id, db)
+@emp_api.delete('/employment/{stu_id}',summary='删除学生就业信息')
+def delete_emp_info(stu_id:int=Path(description='序号'),db=Depends(get_db)):
+    rows = delete_emp_dao(stu_id, db)
     if not rows:
         raise HTTPException(status_code=500, detail='没有删除！')
     return {'code':200,'detail':'删除成功！'}

PythonProject/api/statistics_api.py

@@ -17,7 +17,7 @@ def get_students(db=Depends(get_db)):
     return l
 
 @StatisticsAPI.get("/score",response_model=list[GetScoreResponse],summary='根据成绩查询学生信息')
-def get_students(min_score:int|None=None,max_score:int|None=None,db=Depends(get_db)):
+def get_students(min_score:int|None=Query(None,ge=0,le=150),max_score:int|None=Query(None,ge=0,le=150),db=Depends(get_db)):
     l = select_score(min_score,max_score,db)
     return l
 

PythonProject/api/student_api.py

@@ -1,4 +1,4 @@
-from fastapi import APIRouter,HTTPException,Depends,Query
+from fastapi import APIRouter, HTTPException, Depends, Query, Path
 from dao.student_dao import *
 from schema.student_schema import *
 from util.database import get_db
@@ -53,7 +53,7 @@ def update_students(stu_id:int
     return {'code':200,'totals':r,'detail':'更新成功'}
 
 @StudentAPI.delete('/students/{stu_id}',response_model= StudelResponse,summary='学生信息删除接口',description='删除学生信息')
-def del_students(stu_id:int=Query(None,description='班级编号')
+def del_students(stu_id:int= Path(description='班级编号')
                  ,db=Depends(get_db)):
     rows=delete_student_dao( stu_id=stu_id,db=db )
     if not rows:

PythonProject/dao/cla_dao.py

@@ -2,45 +2,111 @@ from model.all_model import ClassManagement
 from fastapi import HTTPException
 from schema.cla_schema import claRequest
 from datetime import datetime
+from sqlalchemy.exc import SQLAlchemyError
+import logging
+
+logger = logging.getLogger(__name__)
 
 
 def add_class_dao(c: claRequest, session):
     try:
+        # ---------- 校验：班级名称不能重复 ----------
+        # 只查未删除的记录，含义是：已逻辑删除的班级允许重建同名
+        exists = (
+            session.query(ClassManagement)
+            .filter(ClassManagement.class_name == c.class_name)
+            .filter(ClassManagement.delete_status == 0)
+            .first()
+        )
+        if exists:
+            raise HTTPException(400, f"班级 '{c.class_name}' 已存在，不能重复添加")
+
+        # 班主任和授课教师可以是同一个人，无需校验
+
         data = c.model_dump()
         d = ClassManagement(**data)
         session.add(d)
         session.commit()
         session.refresh(d)
         return d
-    except:
+
+    except HTTPException:
+        raise
+    except SQLAlchemyError as e:
         session.rollback()
+        logger.error(f"新增班级失败: {e}")
         raise HTTPException(400, "输入有误，请重新添加班级！")
 
-def get_class_dao(n,m,session):
+
+def get_class_dao(n: int, m: int, session):
     try:
-        class_list=session.query(ClassManagement).filter(ClassManagement.delete_status==0).offset((n-1)*m).limit(m).all()
+        if n < 1 or m < 1:
+            return []
+        class_list = (
+            session.query(ClassManagement)
+            .filter(ClassManagement.delete_status == 0)
+            .offset((n - 1) * m)
+            .limit(m)
+            .all()
+        )
         return class_list
-    except:
-        raise HTTPException(status_code=406,detail="输入查询信息有误，请重新输入！")
+    except SQLAlchemyError as e:
+        logger.error(f"查询班级列表失败: {e}")
+        raise HTTPException(status_code=400, detail="查询失败，请稍后重试！")
 
-def update_class_dao(id:int,req:claRequest,session):
+
+def update_class_dao(class_id: int, req: claRequest, session):
     try:
-        session.query(ClassManagement).filter(ClassManagement.class_id==id)\
-        .filter(ClassManagement.delete_status==0).update(req.model_dump(exclude_unset=True))
+        rows = (
+            session.query(ClassManagement)
+            .filter(ClassManagement.class_id == class_id)
+            .filter(ClassManagement.delete_status == 0)
+            .update(req.model_dump(exclude_unset=True), synchronize_session=False)
+        )
         session.commit()
-    except:
-        raise HTTPException(status_code=400,detail="更新格式错误或参数缺失，请重新输入！")
-    return '更新成功，请核对信息！'
+        if rows == 0:
+            raise HTTPException(status_code=404, detail="该班级不存在或已被删除")
+    except HTTPException:
+        session.rollback()
+        raise
+    except SQLAlchemyError as e:
+        session.rollback()
+        logger.error(f"更新班级失败: {e}")
+        raise HTTPException(status_code=400, detail="更新失败，请检查参数")
+    return {"code": 200, "msg": "更新成功"}
 
-def delete_class_dao(id:int,session):
+
+def delete_class_dao(class_id: int, session):
     try:
-        session.query(ClassManagement).filter(ClassManagement.class_id==id,ClassManagement.delete_status==0)\
-        .update({'delete_status': 1,'delete_time': datetime.now()})
+        # 先按 class_id 查记录，再判断状态，从而区分"不存在"和"已删除"
+        obj = (
+            session.query(ClassManagement)
+            .filter(ClassManagement.class_id == class_id)
+            .first()
+        )
+
+        # 情况 1：记录不存在
+        if obj is None:
+            raise HTTPException(status_code=404, detail="该班级不存在")
+
+        # 情况 2：记录存在但已删除 → 提示"已删除"
+        if obj.delete_status == 1:
+            raise HTTPException(status_code=400, detail="该班级已被删除，请勿重复操作")
+
+        # 情况 3：执行逻辑删除
+        obj.delete_status = 1
+        obj.delete_time = datetime.now()
         session.commit()
-    except:
-        raise HTTPException(status_code=404, detail="删除异常,请重新核对之后删除！")
-    return '删除成功，请核对信息！'
 
+    except HTTPException:
+        session.rollback()
+        raise
+    except SQLAlchemyError as e:
+        session.rollback()
+        logger.error(f"删除班级失败: {e}")
+        raise HTTPException(status_code=400, detail="删除异常，请核对后重试！")
+
+    return {"code": 200, "msg": "删除成功"}
 
 
 

PythonProject/dao/employment_dao.py

@@ -41,35 +41,35 @@ def add_emp_dao(o,db):
         if not stu:
             raise HTTPException(status_code=404, detail='该学生不存在,无法添加就业信息')
 
-        exist = (db.query(Employment_info).filter(Employment_info.stu_id == o['stu_id']
-                                                  ,Employment_info.delete_status == 0).first())
+        exist = db.query(Employment_info).filter(Employment_info.stu_id == o['stu_id']
+                                                  ,Employment_info.delete_status == 0).first()
         if exist:
             raise HTTPException(status_code=409, detail='该学生已有就业信息，请勿重复增加！')
 
         e1 = Employment_info(**o)
         db.add(e1)
         db.commit()
-        return e1
+        return o
     except Exception as e:
         db.rollback()
         raise HTTPException(status_code=500, detail=f'新增就业信息失败: {e}')
 
-def update_emp_dao(emp_id,emp,db):
+def update_emp_dao(stu_id,emp,db):
     try:
         rows = db.query(Employment_info)\
-            .filter(Employment_info.emp_id == emp_id,Employment_info.delete_status == 0)\
+            .filter(Employment_info.stu_id == stu_id,Employment_info.delete_status == 0)\
             .update(emp)
         db.commit()
         return rows
     except:
         db.rollback()
-        raise HTTPException(status_code=404,detail='该就业记录已存在')
+        raise HTTPException(status_code=404,detail='该就业记录不存在')
 
 
-def delete_emp_dao(emp_id:int,db):
+def delete_emp_dao(stu_id:int,db):
     try:
         rows = db.query(Employment_info)\
-            .filter(Employment_info.emp_id == emp_id
+            .filter(Employment_info.stu_id == stu_id
                     ,Employment_info.delete_status == 0)\
             .update({'delete_status':1,'delete_time': datetime.now()})
         db.commit()

PythonProject/main.py

@@ -18,7 +18,7 @@ app = FastAPI(title='沃林学生管理系统',openapi_tags=tags_metadata)
 
 app.include_router(StudentAPI)
 
-app.include_router(StatisticsAPI)
+app.include_router(StatisticsAPI)       #实现路由分发
 app.include_router(teacher_api)
 app.include_router(emp_api)
 app.include_router(gradeAPI)

PythonProject/model/all_model.py

@@ -72,7 +72,7 @@ class ClassManagement(Base):
 
     delete_status = Column(Integer,default=0,comment='删除状态：0未删除，1已删除')
 
-    delete_time = Column(DATETIME,comment='删除时间')
+    delete_time = Column(DATETIME,comment='删除时间')                            #只有删除时更新时间
 
 class Teacher_Model(Base):
     __tablename__ = 'wl_teacher'

PythonProject/schema/cla_schema.py

@@ -1,26 +1,10 @@
 from datetime import date
 from pydantic import BaseModel
 
-class claRequest(BaseModel):
-
-    class_name : str|None = None
-
-    start_class_date :date
-
-    head_teacher_id : int|None = None
-
-    class_teacher_id : int|None = None
-
-class claResponse(BaseModel):
-
-    code: int = 200
-
-    detail: str = 'ok'
-
+class claRequest(BaseModel):        #请求体，获取json格式数据给api层再给schema校验，校验后给dao层操作数据库
     class_name: str | None = None
-
+    start_class_date: date
     head_teacher_id: int | None = None
-
     class_teacher_id: int | None = None
 
 

PythonProject/schema/employment_schema.py

@@ -3,7 +3,7 @@ from datetime import date
 from typing import Optional
 
 class EmploymentRequest(BaseModel):
-    stu_id: int=Field(ge=1,description='学生编号')
+    stu_id: int=Field(ge=1, description='学生编号')
     email: Optional[str] = Field(None, description='邮箱')
     employment_opening_date:Optional[date] = Field(None, description='就业开放日期')
     offer_issuance_date:Optional[date] = Field(None, description='offer下发日期')