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zk_wolin
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+23
-40
@@ -12,62 +12,45 @@ classes_router = APIRouter()
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# ————定义班级表"新增"信息的接口函数————
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@classes_router.post('/',response_model=ClassResponse,summary='新增班级信息') # POST新增请求,指定返回数据格式为 ClassResponse
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def post_classes(classes:ClassCreate,db=Depends(get_db)): # 定义更新接口函数,参数classes声明创建请求模型,参数db依赖于数据库会话的上下文管理器
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c = classes.model_dump() # 变量c用来接收通过model_dump将Pydantic模型对象解析为Python的字典,方便后续解包传参
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r = post_classes_dao( c , db ) # 变量r用来接收dao层post_classes_dao函数的返回值,执行函数时以变量c的数据和db依赖函数入参
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if r : # 判断 DAO 层的返回结果,如果为True
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return ClassResponse( total=1,data=c ) # 返回成功响应,携带新增的数据给前端
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else : # 如果为False
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def post_classes(classes:ClassCreate,db=Depends(get_db)): # 定义更新接口函数,参数classes声明创建请求模型,参数db依赖于数据库会话的上下文管理器
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c = classes.model_dump() # 变量c用来接收通过model_dump将Pydantic模型对象解析为Python的字典,方便后续解包传参
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r = post_classes_dao( c , db ) # 变量r用来接收dao层post_classes_dao函数的返回值,执行函数时以变量c的数据和db依赖函数入参
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if r : # 判断 DAO 层的返回结果,如果为True
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return ClassResponse( total=1,data=c ) # 返回成功响应,携带新增的数据给前端
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else : # 如果为False
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raise HTTPException(status_code=500,detail='添加失败,服务器繁忙,请稍后添加!') # 抛出 500 内部服务器错误 和提示
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# ————定义班级表"更新"信息的接口函数————
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@classes_router.put('/{id}',response_model=ClassResponse,summary='更新班级信息') # put更新请求,指定返回数据格式为 ClassResponse
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def put_classes( classes:ClassUpdate , id:int , db=Depends( get_db ) ): # 定义更新接口函数,id参数接收前端输入的数据,参数classes声明更新请求体模型,参数db依赖于数据库会话的上下文管理器
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updates = classes.model_dump( exclude_unset=True ) # 变量updates用来接收通过model_dump将Pydantic模型对象解析为Python的字典(只解析输入的数据),方便后续解包传参
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r = update_classes_dao( id, db, updates ) # 变量r用来接收dao层update_classes_dao函数的返回值,执行函数时以变量c的数据、db依赖函数、和前端更新的数据入参
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if r : # 判断 DAO 层的返回结果,如果为True
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updates = classes.model_dump( exclude_unset=True ) # 变量updates用来接收通过model_dump将Pydantic模型对象解析为Python的字典(只解析输入的数据),方便后续解包传参
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r = update_classes_dao( id, db, updates ) # 变量r用来接收dao层update_classes_dao函数的返回值,执行函数时以变量c的数据、db依赖函数、和前端更新的数据入参
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if r : # 判断 DAO 层的返回结果,如果为True
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return ClassResponse( detail='更新成功', total=1 ,data = updates ) # 返回成功响应,携带更新的数据给前端
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raise HTTPException( status_code=500, detail='更新失败,该班级已不存在或服务器繁忙,请稍后更新!' ) # 如果为False,抛出 500 内部服务器错误 和提示
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# ————定义班级表"查询"信息的接口函数————
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@classes_router.get('',summary='查询班级信息') # get查询请求
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def get_classes( id:int|None = None # id参数接收前端输入的数据,声明是整数,可以为空默认为空
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, class_no:str|None = None # class_no参数接收前端输入的数据,声明是字符串,可以为空默认为空
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, class_name:str|None = None # class_name参数接收前端输入的数据,声明是字符串,可以为空默认为空
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, page:int = 1 # page参数接收前端输入的数据,声明是整数,默认是1
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, page_size:int = 5 # page参数接收前端输入的数据,声明是整数,默认是5
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, db=Depends(get_db) # 参数db依赖于数据库会话的上下文管理器
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@classes_router.get('',summary='查询班级信息') # get查询请求
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def get_classes( id:int|None = None # id参数接收前端输入的数据,声明是整数,可以为空默认为空
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, class_no:str|None = None # class_no参数接收前端输入的数据,声明是字符串,可以为空默认为空
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, class_name:str|None = None # class_name参数接收前端输入的数据,声明是字符串,可以为空默认为空
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, page:int = 1 # page参数接收前端输入的数据,声明是整数,默认是1
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, page_size:int = 5 # page参数接收前端输入的数据,声明是整数,默认是5
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, db=Depends(get_db) # 参数db依赖于数据库会话的上下文管理器
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):
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t,r = get_classes_dao( id , class_no , class_name , page , page_size ,db ) # 变量t,r用来接收dao层get_classes_dao函数的返回值,执行函数时以前端输入的id , class_no , class_name , page , page_size 、db依赖函数入参
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if t != 0 : # 判断 DAO 层的返回结果,如果为条数不为0
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return ClassResponse( total = t, data = r ) # 返回成功响应,返回符合条件的总条数,携带符合条件的数据给前端
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else : # 判断 DAO 层的返回结果,如果为条数为0
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return ClassResponse( code = 404,detail = '没有符合条件的班级,请检查输入是否有误') # 返回404响应,提示没有符合条件的提示给前端
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# ————定定义查询符合查询条件的班级的总学生人数信息的接口函数————
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@classes_router.get('/student-count', summary='查询每个班级学生人数') # get查询请求
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def get_class_student_count( class_id:int|None = None # id参数接收前端输入的数据,声明是整数,可以为空默认为空
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, class_no:str|None = None # class_no参数接收前端输入的数据,声明是字符串,可以为空默认为空
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, class_name:str|None = None # class_name参数接收前端输入的数据,声明是字符串,可以为空默认为空
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, page:int = 1 # page参数接收前端输入的数据,声明是整数,默认是1
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, page_size:int = 5 # page参数接收前端输入的数据,声明是整数,默认是5
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, db=Depends(get_db) # 参数db依赖于数据库会话的上下文管理器
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):
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t,r = get_class_student_count_dao(class_id,class_no,class_name,page,page_size,db) # 变量t,r用来接收dao层get_classes_dao函数的返回值,执行函数时以前端输入的id , class_no , class_name , page , page_size 、db依赖函数入参
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if r: # 判断 DAO 层的返回结果,如果为True
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return ClassResponse(total=t, data=r) # 返回成功响应,携带符合条件的数据给前端
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return ClassResponse(code=404, detail='没有班级数据') # 如果 DAO 层返回的结果为False,返回404响应,提示没有符合条件的提示给前端
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if t != 0 : # 判断 DAO 层的返回结果,如果为条数不为0
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return ClassResponse( total = t, data = r ) # 返回成功响应,返回符合条件的总条数,携带符合条件的数据给前端
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return ClassResponse( code = 404,detail = '没有符合条件的班级,请检查输入是否有误') # 判断 DAO 层的返回结果,如果为条数为0,返回404响应,提示没有符合条件的提示给前端
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# ————定义班级表"删除"信息的接口函数————
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@classes_router.delete('/{id}',response_model=ClassResponse,summary='删除班级信息') # delete删除请求,指定返回数据格式为 ClassResponse
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def delete_classes(id:int,db=Depends(get_db)): # 定义删除接口函数,id参数接收前端输入的数据,参数db依赖于数据库会话的上下文管理器
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r = delete_classes_dao( id , db ) # 变量r用来接收dao层delete_classes_dao函数的返回值,执行函数时以以前端输入的id 数据、db依赖函数入参
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if r : # 判断 DAO 层的返回结果,如果是True
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return ClassResponse( total=1,data='已成功删除班级信息' ) # 返回成功响应和提示给前端 # 如果是False
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def delete_classes(id:int,db=Depends(get_db)): # 定义删除接口函数,id参数接收前端输入的数据,参数db依赖于数据库会话的上下文管理器
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r = delete_classes_dao( id , db ) # 变量r用来接收dao层delete_classes_dao函数的返回值,执行函数时以以前端输入的id 数据、db依赖函数入参
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if r!=0 : # 判断 DAO 层的返回结果,如果是True
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return ClassResponse( total=1,data='已成功删除班级信息' ) # 返回成功响应和提示给前端 # 如果是False
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raise HTTPException(status_code=500, detail='删除失败,该班级信息已不存在或服务器繁忙,请稍后更新!') # 如果为False,抛出 500 内部服务器错误 和提示
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+36
-24
@@ -6,13 +6,14 @@ from dao.employment import (create_employment,
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get_employment_by_student_id,
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get_employment_list,
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update_employment,
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delete_employment_logic)
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delete_employment_logic,
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recover_employment_delete)
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from schemas.employment import (EmploymentCreate,
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EmploymentUpdate,
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EmploymentResponse)
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employment_router = APIRouter(prefix="/employments", tags=["就业管理模块"])
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employment_router = APIRouter( tags=["就业管理模块"])
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@employment_router.post("/", response_model=EmploymentResponse, summary="新增就业信息")
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@@ -28,36 +29,38 @@ def add_employment(body: EmploymentCreate, db: Session = Depends(get_db)):
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return res
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@employment_router.get("/students/{student_id}", response_model=EmploymentResponse, summary="查询指定学生的就业信息")
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def query_student_employment(student_id: int, db: Session = Depends(get_db)):
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"""根据学生id获取对应就业记录"""
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record = get_employment_by_student_id(db, student_id)
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if not record:
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raise HTTPException(status_code=404, detail="未找到该学生的就业信息")
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return record
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#
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# @employment_router.get("/students/{student_id}", response_model=EmploymentResponse, summary="查询指定学生的就业信息")
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# def query_student_employment(student_id: int, db: Session = Depends(get_db)):
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# """根据学生id获取对应就业记录"""
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# record = get_employment_by_student_id(db, student_id)
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# if not record:
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# raise HTTPException(status_code=404, detail="未找到该学生的就业信息")
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# return record
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@employment_router.get("/", summary="就业信息列表,支持筛选")
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def query_employment_list(
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company_name: str | None = Query(None, description="公司名称模糊查询"),
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salary_min: float | None = Query(None, description="最低薪资"),
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salary_max: float | None = Query(None, description="最高薪资"),
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skip: int = Query(0, ge=0, description="偏移量"),
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limit: int = Query(20, ge=1, le=100, description="每页条数"),
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db: Session = Depends(get_db)
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):
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def query_employment_list(eid:int| None = Query(None, description="就业编号"),
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student_id:int| None = Query(None,description="学生id"),
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company_name: str | None = Query(None, description="公司名称模糊查询"),
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salary_min: float | None = Query(None, description="最低薪资"),
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salary_max: float | None = Query(None, description="最高薪资"),
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skip: int = Query(0, ge=0, description="偏移量"),
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limit: int = Query(20, ge=1, le=100, description="每页条数"),
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db: Session = Depends(get_db)):
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# 调用dao列表查询,拿到数据字典列表和总条数
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data_list, total = get_employment_list(db, company_name, salary_min, salary_max, skip, limit)
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return {"total": total, "data": data_list}
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@employment_router.get("/{eid}", response_model=EmploymentResponse, summary="根据id查询就业详情")
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def query_employment_detail(eid: int, db: Session = Depends(get_db)):
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"""根据就业主键id查询单条就业记录"""
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record = get_employment_by_id(db, eid)
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if not record:
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raise HTTPException(status_code=404, detail="就业记录不存在或已被逻辑删除")
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return record
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# @employment_router.get("/{eid}", response_model=EmploymentResponse, summary="根据id查询就业详情")
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# def query_employment_detail(eid: int, db: Session = Depends(get_db)):
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# """根据就业主键id查询单条就业记录"""
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# record = get_employment_by_id(db, eid)
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# if not record:
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# raise HTTPException(status_code=404, detail="就业记录不存在或已被逻辑删除")
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# return record
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@employment_router.put("/{eid}", response_model=EmploymentResponse, summary="修改就业信息")
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@@ -77,3 +80,12 @@ def logic_delete_employment(eid: int, db: Session = Depends(get_db)):
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raise HTTPException(status_code=404, detail="删除失败,记录不存在")
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# 删除成功返回提示字典
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return {"code": 200, "msg": "逻辑删除成功"}
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@employment_router.get("/{eid}", summary="回档逻辑删除就业记录")
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def recover_delete_employment(eid: int, db: Session = Depends(get_db)):
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"""执行逻辑删除,is_deleted置1,不会真正删除数据库行"""
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ok = recover_employment_delete(db, eid)
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if not ok:
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raise HTTPException(status_code=404, detail="回档失败,记录已经存在")
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# 删除成功返回提示字典
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return {"code": 200, "msg": "回档成功"}
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+41
-59
@@ -29,72 +29,54 @@ def update_classes_dao( class_id , db , updates ): # 定义函数,设置
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# ————定义班级表"查询"信息的函数————
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def get_classes_dao( class_id, class_no , class_name , page , page_size , db ): # 定义函数,设置六个形参class_id, class_no , class_name , page , page_size , db
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q = db.query( Classes ).filter( Classes.is_deleted == 0 ) # 初始化查询语句,基础过滤条件为筛选未删除的数据 (is_deleted=0)
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if class_id : # 如果传入了班级id参数
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q = q.filter( Classes.id == class_id ) # 则追加id过滤条件
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if class_no : # 如果传入了班级no参数
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q = q.filter( Classes.class_no == class_no ) # 则追加no过滤条件
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if class_name : # 如果传入了班级name参数
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q = q.filter( Classes.class_name == class_name ) # 则追加name过滤条件
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total = q.count() # total变量接收满足当前所有过滤条件的数据总条数
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r = q.offset( ( page-1 ) * page_size ).limit( page_size ).all() # 变量r用来接收查询取出结果列表,计算分页偏移量(从第几行开始查),设置分页限制条数
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return total , [ # 返回 total变量总条数 和 将查询结果列表转换为字典列表的数据
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{
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'class_id':i.id # 提取班级ID
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, 'class_no':i.class_no # 提取班级编号
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, 'class_name':i.class_name # 提取班级名称
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, 'start_date':i.start_date # 提取开课日期
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, 'end_date':i.end_date # 提取结课日期
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, 'created_at':i.created_at # 提取创建时间
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, 'update_at':i.update_at # 提取更新时间
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, 'remark':i.remark # 提取备注信息
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}
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for i in r # 循环遍历查询出的每一行数据 i
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]
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# ————定义查询符合查询条件的班级的总学生人数信息的函数————
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from sqlalchemy import func, and_ ,desc # 从sqlalchemy模块导入func聚合函数的类、and_函数,降序排序desc函数
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from models.student import Student # 从models包下的student模块导入Student表模型类
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def get_class_student_count_dao(class_id,class_no,class_name,page,page_size,db): # 定义函数,设置六个形参class_id, class_no , class_name , page , page_size , db
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q = db.query ( Classes.id.label('class_id') # 查询班级ID(别名class_id)
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, Classes.class_no # 班级编号
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, Classes.class_name # 班级名称
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, func.count(Student.id).label('student_count') # 统计班级未删除的学生人数(别名student_count)
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) .\
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outerjoin( Student, and_(Classes.id == Student.class_id,Student.is_deleted == 0)).\
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filter(Classes.is_deleted == 0) # 左连接学生表,并指定连接条件(未删除的学生)
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if class_id : # 如果传入了班级id参数
|
||||
q = q.filter( Classes.id == class_id ) # 则追加id过滤条件
|
||||
if class_no : # 如果传入了班级no参数
|
||||
q = q.filter( Classes.class_no == class_no ) # 则追加no过滤条件
|
||||
if class_name : # 如果传入了班级name参数
|
||||
q = q.filter( Classes.class_name == class_name ) # 则追加name过滤条件
|
||||
q = q.group_by(Classes.id, Classes.class_no, Classes.class_name) # 按班级ID、编号、名称进行分组聚合
|
||||
q = q.order_by( desc('student_count') ) # 按学生人数(别名)进行降序排列
|
||||
total = q.count() # total变量接收满足当前所有过滤条件的数据总条数
|
||||
r = q.offset( ( page-1 ) * page_size ).limit( page_size ).all() # 变量r用来接收查询取出结果列表,计算分页偏移量(从第几行开始查),设置分页限制条数
|
||||
return total,[ # 返回 total变量总条数 和 将查询结果列表转换为字典列表的数据
|
||||
{
|
||||
'class_id':i.class_id # 提取班级ID
|
||||
, 'class_no':i.class_no # 提取班级编号
|
||||
, 'class_name':i.class_name # 提取班级名称
|
||||
, 'student_count':i.student_count # 提取开课日期
|
||||
}
|
||||
for i in r # 循环遍历查询出的每一行数据 i
|
||||
]
|
||||
|
||||
def get_classes_dao( class_id, class_no , class_name , page , page_size , db ): # 定义函数,设置六个形参class_id, class_no , class_name , page , page_size , db
|
||||
q = db.query( Classes.id.label('class_id') # 查询班级ID(别名class_id)
|
||||
, Classes.class_no # 班级编号
|
||||
, Classes.class_name # 班级名称
|
||||
, func.count(Student.id).label('student_count') # 统计班级未删除的学生人数(别名student_count)
|
||||
, Classes.start_date #开课时间
|
||||
, Classes.end_date #结课时间
|
||||
, Classes.created_at #创建时间
|
||||
, Classes.update_at #更新时间
|
||||
, Classes.remark #备注信息
|
||||
). \
|
||||
outerjoin(Student, and_(Classes.id == Student.class_id, Student.is_deleted == 0)). \
|
||||
filter( Classes.is_deleted == 0 ) # 左连接学生表,并指定连接条件(未删除的学生)
|
||||
if class_id : # 如果传入了班级id参数
|
||||
q = q.filter( Classes.id == class_id ) # 则追加id过滤条件
|
||||
if class_no : # 如果传入了班级no参数
|
||||
q = q.filter( Classes.class_no == class_no ) # 则追加no过滤条件
|
||||
if class_name : # 如果传入了班级name参数
|
||||
q = q.filter( Classes.class_name == class_name ) # 则追加name过滤条件
|
||||
q = q.group_by(Classes.id, Classes.class_no, Classes.class_name) # 按班级ID、编号、名称进行分组聚合
|
||||
q = q.order_by( desc('student_count') ) # 按学生人数(别名)进行降序排列
|
||||
total = q.count() # total变量接收满足当前所有过滤条件的数据总条数
|
||||
r = q.offset((page - 1) * page_size).limit(page_size).all() # 变量r用来接收查询取出结果列表,计算分页偏移量(从第几行开始查),设置分页限制条数
|
||||
return total, [ # 返回 total变量总条数 和 将查询结果列表转换为字典列表的数据
|
||||
{
|
||||
'class_id': i.class_id # 提取班级ID
|
||||
, 'class_no': i.class_no # 提取班级编号
|
||||
, 'class_name': i.class_name # 提取班级名称
|
||||
, 'student_count': i.student_count # 提取班级总人数
|
||||
, 'start_date':i.start_date # 提取开课日期
|
||||
, 'end_date':i.end_date # 提取结课日期
|
||||
, 'created_at':i.created_at # 提取创建时间
|
||||
, 'update_at':i.update_at # 提取更新时间
|
||||
, 'remark':i.remark # 提取备注信息
|
||||
}
|
||||
for i in r # 循环遍历查询出的每一行数据 i
|
||||
]
|
||||
|
||||
# ————定义班级表"删除"信息的函数————
|
||||
def delete_classes_dao( class_id , db ): # 定义函数,设置两个个形参class_id,db
|
||||
try : # 执行以下可能报错的代码
|
||||
db.query( Classes ).filter( Classes.id == class_id , Classes.is_deleted == 0 ).update( {"is_deleted": 1} ) # 将未删除且前端输入的id和数据库id可以匹配上的数据更新is_deleted字段为1,表示已逻辑删除
|
||||
r = db.query( Classes ).filter( Classes.id == class_id , Classes.is_deleted == 0 ).update( {"is_deleted": 1} ) # 将未删除且前端输入的id和数据库id可以匹配上的数据更新is_deleted字段为1,表示已逻辑删除
|
||||
if r !=0:
|
||||
db.commit()
|
||||
return r
|
||||
except : # 捕获异常:
|
||||
db.rollback() # 如果中间出错,回滚事务,防止产生脏数据
|
||||
return False # 返回 False,返回接口,表示操作失败
|
||||
else : # 执行成功:
|
||||
db.commit() # 提交事务:更新is_deleted字段为1,表示已逻辑删除,前端无法查询到已逻辑删除的数据
|
||||
return True # 返回 True,返回接口,表示操作成功
|
||||
|
||||
+106
-31
@@ -1,17 +1,28 @@
|
||||
from sqlalchemy.orm import Session
|
||||
from models.employment import Employment
|
||||
from schemas.employment import EmploymentCreate, EmploymentUpdate, EmploymentResponse
|
||||
from schemas.employment import EmploymentResponse
|
||||
|
||||
|
||||
def create_employment(db, obj_in):
|
||||
def create_employment(db, e):
|
||||
# obj_in是Pydantic对象(EmploymentCreate)
|
||||
"""新增就业信息:一个学生只能存在一条就业记录"""
|
||||
try:
|
||||
db_obj = Employment(**obj_in.model_dump())
|
||||
db.add(db_obj) # add:把对象加入数据库会话,此时还没写入数据库
|
||||
db.commit() # commit:提交事务,真正写入mysql数据库
|
||||
db.refresh(db_obj) # refresh:从数据库刷新对象,拿到数据库自动生成的id、默认时间等字段
|
||||
return EmploymentResponse.model_validate(db_obj).model_dump()
|
||||
# model_validate:把sqlalchemy ORM对象解析进pydantic响应模型
|
||||
db_obj = Employment(**e.model_dump())
|
||||
db.add(db_obj)
|
||||
db.commit()
|
||||
db.refresh(db_obj)
|
||||
|
||||
resp = EmploymentResponse(id=db_obj.id
|
||||
,student_id=db_obj.student_id
|
||||
,employment_status=db_obj.employment_status
|
||||
,employment_open_date=db_obj.employment_open_date
|
||||
,offer_date=db_obj.offer_date
|
||||
,company_name=db_obj.company_name
|
||||
,salary=db_obj.salary
|
||||
,remark=db_obj.remark
|
||||
,created_at=db_obj.created_at
|
||||
,updated_at=db_obj.updated_at)
|
||||
return resp.model_dump()
|
||||
|
||||
except Exception:
|
||||
db.rollback()
|
||||
return None
|
||||
@@ -24,7 +35,18 @@ def get_employment_by_id(db, eid):
|
||||
,Employment.is_deleted == 0).first()
|
||||
if not db_obj:
|
||||
return None
|
||||
return EmploymentResponse.model_validate(db_obj).model_dump()
|
||||
|
||||
resp = EmploymentResponse(id=db_obj.id
|
||||
,student_id=db_obj.student_id
|
||||
,employment_status=db_obj.employment_status
|
||||
,employment_open_date=db_obj.employment_open_date
|
||||
,offer_date=db_obj.offer_date
|
||||
,company_name=db_obj.company_name
|
||||
,salary=db_obj.salary
|
||||
,remark=db_obj.remark
|
||||
,created_at=db_obj.created_at
|
||||
,updated_at=db_obj.updated_at)
|
||||
return resp.model_dump()
|
||||
except Exception:
|
||||
return None
|
||||
|
||||
@@ -36,62 +58,115 @@ def get_employment_by_student_id(db, student_id):
|
||||
,Employment.is_deleted == 0).first()
|
||||
if not db_obj:
|
||||
return None
|
||||
return EmploymentResponse.model_validate(db_obj).model_dump()
|
||||
|
||||
resp = EmploymentResponse(id=db_obj.id
|
||||
,student_id=db_obj.student_id
|
||||
,employment_status=db_obj.employment_status
|
||||
,employment_open_date=db_obj.employment_open_date
|
||||
,offer_date=db_obj.offer_date
|
||||
,company_name=db_obj.company_name
|
||||
,salary=db_obj.salary
|
||||
,remark=db_obj.remark
|
||||
,created_at=db_obj.created_at
|
||||
,updated_at=db_obj.updated_at)
|
||||
return resp.model_dump()
|
||||
except Exception:
|
||||
return None
|
||||
|
||||
|
||||
def get_employment_list(db, company_name=None, salary_min=None, salary_max=None, skip=0, limit=20):
|
||||
def get_employment_list(db, id=None,student_id=None,company_name=None, salary_min=None, salary_max=None, skip=0, limit=20):
|
||||
"""就业列表查询;支持公司名模糊、薪资范围筛选;只查询is_deleted=0"""
|
||||
try:
|
||||
query = db.query(Employment).filter(Employment.is_deleted == 0)
|
||||
if id is not None:
|
||||
query = query.filter(Employment.id >= id)
|
||||
if student_id is not None:
|
||||
query = query.filter(Employment.student_id >= student_id)
|
||||
if company_name:
|
||||
query = query.filter(Employment.company_name.like(f"%{company_name}%"))
|
||||
if salary_min is not None:
|
||||
query = query.filter(Employment.salary >= salary_min)
|
||||
if salary_max is not None:
|
||||
query = query.filter(Employment.salary <= salary_max)
|
||||
# count()统计满足条件总条数,用于分页total
|
||||
|
||||
total = query.count()
|
||||
# offset偏移量(跳过多少条),limit每页多少条,执行查询拿到结果列表
|
||||
records = query.offset(skip).limit(limit).all()
|
||||
# 列表推导式:循环每一条ORM记录,全部转为字典,得到字典列表
|
||||
dict_list = [EmploymentResponse.model_validate(item).model_dump() for item in records]
|
||||
# 返回字典列表 + 总条数
|
||||
|
||||
dict_list = []
|
||||
for item in records:
|
||||
resp = EmploymentResponse(id=item.id
|
||||
,student_id=item.student_id
|
||||
,employment_status=item.employment_status
|
||||
,employment_open_date=item.employment_open_date
|
||||
,offer_date=item.offer_date
|
||||
,company_name=item.company_name
|
||||
,salary=item.salary
|
||||
,remark=item.remark
|
||||
,created_at=item.created_at
|
||||
,updated_at=item.updated_at)
|
||||
dict_list.append(resp.model_dump())
|
||||
|
||||
return dict_list, total
|
||||
except Exception:
|
||||
# 异常返回空列表,总条数0
|
||||
return [], 0
|
||||
|
||||
|
||||
def update_employment(db, eid, obj_in):
|
||||
def update_employment(db, eid, e):
|
||||
"""修改就业信息,只更新传入的字段"""
|
||||
try:
|
||||
db_obj_raw = db.query(Employment).filter(Employment.id == eid
|
||||
,Employment.is_deleted == 0).first()
|
||||
if db_obj_raw is None:
|
||||
x = db.query(Employment).filter(Employment.id == eid
|
||||
,Employment.is_deleted == 0).first()
|
||||
if x is None:
|
||||
return None
|
||||
update_dict = obj_in.model_dump(exclude_unset=True)# exclude_unset=True:只取出前端实际传过来的字段,不会带上没传的None字段
|
||||
for key, value in update_dict.items():
|
||||
setattr(db_obj_raw, key, value)
|
||||
|
||||
update_dict = e.model_dump(exclude_unset=True)
|
||||
db.query(Employment).filter(Employment.id == eid
|
||||
,Employment.is_deleted == 0).update(update_dict)
|
||||
|
||||
db.commit()
|
||||
db.refresh(db_obj_raw)
|
||||
return EmploymentResponse.model_validate(db_obj_raw).model_dump()
|
||||
db.refresh(x)
|
||||
|
||||
resp = EmploymentResponse(id=x.id
|
||||
,student_id=x.student_id
|
||||
,employment_status=x.employment_status
|
||||
,employment_open_date=x.employment_open_date
|
||||
,offer_date=x.offer_date
|
||||
,company_name=x.company_name
|
||||
,salary=x.salary
|
||||
,remark=x.remark
|
||||
,created_at=x.created_at
|
||||
,updated_at=x.updated_at)
|
||||
return resp.model_dump()
|
||||
|
||||
except Exception:
|
||||
db.rollback()
|
||||
return None
|
||||
return
|
||||
|
||||
|
||||
|
||||
def delete_employment_logic(db, eid):
|
||||
"""逻辑删除,只修改is_deleted=1,不做物理删除"""
|
||||
try:
|
||||
db_obj_raw = db.query(Employment).filter(Employment.id == eid
|
||||
y = db.query(Employment).filter(Employment.id == eid
|
||||
,Employment.is_deleted == 0).first()
|
||||
if db_obj_raw is None:
|
||||
if y is None:
|
||||
return False
|
||||
db_obj_raw.is_deleted = 1
|
||||
y.is_deleted = 1
|
||||
db.commit()
|
||||
return True
|
||||
except Exception:
|
||||
db.rollback()
|
||||
return False
|
||||
|
||||
def recover_employment_delete(db, eid):
|
||||
"""逻辑删除,只修改is_deleted=1,不做物理删除"""
|
||||
try:
|
||||
y = db.query(Employment).filter(Employment.id == eid).first()
|
||||
if y is None:
|
||||
return False
|
||||
y.is_deleted = 0
|
||||
db.commit()
|
||||
return True
|
||||
except Exception:
|
||||
db.rollback()
|
||||
return False
|
||||
+1
-1
@@ -1,6 +1,6 @@
|
||||
from schemas.statistics import NoExist
|
||||
from sqlalchemy import func
|
||||
from time import time
|
||||
|
||||
#`GET /statistics/students/age-over-30`
|
||||
#查询所有超过 30 岁的学员信息
|
||||
|
||||
|
||||
@@ -16,7 +16,7 @@ def llm_func(input_user):
|
||||
base_url="https://api.deepseek.com"
|
||||
)
|
||||
|
||||
prom_path = Path(__file__).parent / "prom.txt"
|
||||
prom_path = Path(__file__).parent / "prom.txt" #拼接路径
|
||||
context = prom_path.read_text(encoding="utf-8")
|
||||
|
||||
|
||||
|
||||
@@ -7,7 +7,7 @@ from api.student import student_router
|
||||
from api.teacher import router as teacher_router,class_teacher_router
|
||||
from api.magic import magic_router
|
||||
|
||||
app = FastAPI()
|
||||
app = FastAPI(title='学生管理系统')
|
||||
app.middleware("http")(log_middleware)
|
||||
app.include_router(magic_router)
|
||||
|
||||
|
||||
@@ -5,7 +5,7 @@ from core.database import Base # 从core软件包下的database模块导入B
|
||||
from sqlalchemy.dialects.mysql import TINYINT
|
||||
|
||||
class Classes( Base ): # 在python里的名字
|
||||
__tablename__ = 'class_info_detail' # 在数据库中表的名字
|
||||
__tablename__ = 'class_info_detail' # 在数据库中表的名字
|
||||
#————创建班级"主键"的字段名————
|
||||
id = Column( Integer # 声明字段的数据类型是"整数"
|
||||
, primary_key = True # 声明是"主键"
|
||||
|
||||
@@ -1,17 +1,17 @@
|
||||
from sqlalchemy import *
|
||||
from sqlalchemy.orm import declarative_base,sessionmaker
|
||||
from sqlalchemy import * #导入sqlalchemy全部常用类
|
||||
from sqlalchemy.orm import declarative_base,sessionmaker #造会话工厂 SessionLocal,管数据库增删改查会话
|
||||
from datetime import datetime
|
||||
from core.database import Base
|
||||
from core.database import Base #保证所有模型共用同一个Base,表才能正常生成
|
||||
|
||||
# 为了符合三范式,就业表只保存 student_id,不保存学生姓名和班级名称。查询返回时通过关联 students 和 classes 带出学生姓名、班级名称。
|
||||
|
||||
class Employment(Base):
|
||||
__tablename__ = "employment_info_detail" # 实际数据库的表名字
|
||||
__tablename__ = "employment_info_detail" # 映射的真实MySQL数据库表名
|
||||
id = Column(Integer, primary_key=True # 主键
|
||||
, autoincrement=True # 声明是自增主键
|
||||
, autoincrement=True # 开启自增,插入数据不需要手动传id,数据库自动生成id
|
||||
,comment="就业信息主键id")
|
||||
student_id = Column(Integer, ForeignKey("student_info_detail.id") # 外键 -> students.id
|
||||
, nullable=False # 不允许为null
|
||||
, nullable=False # 不允许为null,每一条就业记录必须绑定一个学生
|
||||
,comment="关联学生id")
|
||||
employment_status = Column(String(50)
|
||||
, default="not_started"
|
||||
|
||||
@@ -6,11 +6,11 @@ from datetime import datetime,date # 导入datetime模块下的datetime,da
|
||||
|
||||
# ————定义"创建班级"的"请求体"模型————
|
||||
class ClassCreate( BaseModel ): # "创建"班级信息的请求体模型
|
||||
class_no: str # 班级编号",不可为空
|
||||
class_name: str # 班级名字",不可为空
|
||||
start_date : date|None = None # 班级开课日期",可以为空,默认为空
|
||||
end_date : date|None = None # 班级结课日期",可以为空,默认为空
|
||||
remark : str|None = None # 班级备注",可以为空,默认为空
|
||||
class_no: str # 班级编号,不可为空
|
||||
class_name: str # 班级名字,不可为空
|
||||
start_date : date # 班级开课日期,不可为空
|
||||
end_date : date|None = None # 班级结课日期,可以为空,默认为空
|
||||
remark : str|None = None # 班级备注,可以为空,默认为空
|
||||
|
||||
# ————定义"更新班级"的"请求体"模型————
|
||||
class ClassUpdate( BaseModel ): # "更新"班级信息的请求体模型
|
||||
@@ -25,4 +25,4 @@ class ClassResponse( BaseModel ): # 班级信息的响应体模型
|
||||
code:int = 200 # 状态码,默认200
|
||||
detail:str = '执行成功' # 提示信息
|
||||
total:int = 0 # 数据总条数,默认为0
|
||||
data:str|dict|list|tuple = '' # 返回的数据
|
||||
data:str|dict|list|tuple = '' # 返回的数据,默认为空字符串
|
||||
@@ -1,12 +1,12 @@
|
||||
from pydantic import BaseModel, Field,ConfigDict
|
||||
from pydantic import BaseModel, Field
|
||||
from datetime import date, datetime
|
||||
from decimal import Decimal
|
||||
|
||||
|
||||
class EmploymentCreate(BaseModel):
|
||||
"""新增就业信息 请求体 Schema"""
|
||||
student_id: int = Field(..., description="关联学生ID,必填")
|
||||
employment_status: str | None = Field(None, description="就业状态:not_started/job_hunting/offered/employed")
|
||||
student_id: int = Field(..., description="关联学生ID,必填")# description:在Swagger页面展示字段说明文字
|
||||
employment_status: str | None = Field(None, description="就业状态,选填")
|
||||
employment_open_date: date | None = Field(None, description="就业开放时间,选填")
|
||||
offer_date: date | None = Field(None, description="offer下发时间,选填")
|
||||
company_name: str | None = Field(None, max_length=100, description="就业公司名称,选填")
|
||||
@@ -36,4 +36,3 @@ class EmploymentResponse(BaseModel):
|
||||
remark: str | None
|
||||
created_at: datetime | None
|
||||
updated_at: datetime | None
|
||||
model_config = ConfigDict(from_attributes=True) #允许pydantic从对象属性里取值
|
||||
Reference in New Issue
Block a user