学生管理模块&就业模块
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# 导入 FastAPI 的 APIRouter(用于组织路由)、Depends(依赖注入)、HTTPException(抛出 HTTP 异常)
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from fastapi import APIRouter, Depends, HTTPException
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# 从 dao 层导入数据库操作函数,并对修改和删除函数起了别名,避免与路由函数重名
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from dao.student_info_sql import (
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get_part_student_info,
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add_student_info,
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update_student_info as update_info,
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delete_student_info as delete_info,
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)
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# 导入数据库会话依赖,用于每个请求获取独立的 Session
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from database import get_db
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# 导入 Pydantic 模型:请求体、响应体、通用操作响应体
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from schema.stu_info_region_schema import stu_info_req, stu_info_resp, stu_info_add_resp
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# 创建学生信息模块的路由实例
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student_info_api = APIRouter()
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# -------------------- 查询学生信息(支持条件过滤) --------------------
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@student_info_api.get('/student', response_model=list[stu_info_resp], summary='查询')
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def get_student_info_part(
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student_id: str = None,
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student_name: str = None,
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gender: str = None,
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gs=Depends(get_db)
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):
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"""
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根据学号、姓名、性别查询学生信息。
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- 所有查询参数均为可选,不传则返回全部未删除记录。
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- 返回列表,每个元素符合 stu_info_resp 模型。
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"""
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try:
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# 调用 dao 层查询函数,传入数据库会话和过滤条件
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data = get_part_student_info(gs, student_id, student_name, gender)
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return data
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except Exception as err:
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# 捕获异常,返回 500 错误,详情为原始异常信息
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raise HTTPException(status_code=500, detail=err)
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# -------------------- 添加学生信息 --------------------
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@student_info_api.post('/student', response_model=stu_info_add_resp, summary='添加')
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def add_student_infomation(stu_info: stu_info_req, gs=Depends(get_db)):
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"""
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新增一条学生记录。
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- 请求体必须符合 stu_info_req 模型。
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- 返回统一的 stu_info_add_resp(code + message)。
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"""
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try:
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# 将 Pydantic 模型转为字典,便于传给 dao 层
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data = stu_info.model_dump()
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# 调用 dao 层添加函数
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res = add_student_info(gs, data)
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if not res:
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# 如果 dao 返回假值(如 None、空字符串),说明添加失败
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raise HTTPException(status_code=500, detail='添加失败')
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return stu_info_add_resp(code=200, message='添加成功')
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except Exception as e:
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# 将异常信息转为字符串,避免序列化问题
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raise HTTPException(status_code=500, detail=str(e))
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# -------------------- 修改学生信息 --------------------
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@student_info_api.put('/student', response_model=stu_info_add_resp, summary='修改')
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def update_student_info(stu_info: stu_info_req, gs=Depends(get_db)):
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"""
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根据学号更新学生信息。
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- 请求体必须包含完整的 stu_info_req(包括 student_id)。
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- 返回统一的 stu_info_add_resp。
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"""
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try:
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data = stu_info.model_dump()
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# 调用 dao 层更新函数(已别名为 update_info)
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res = update_info(gs, data)
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if not res:
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# 没有更新任何行,说明学号不存在或数据未变化
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raise HTTPException(status_code=500, detail='没有更新!')
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return stu_info_add_resp(code=200, message='更新成功')
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except Exception as err:
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raise HTTPException(status_code=500, detail=str(err))
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# -------------------- 删除学生信息(逻辑删除) --------------------
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@student_info_api.delete('/student', response_model=stu_info_add_resp, summary='删除')
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def delete_student_info(sid: str, gs=Depends(get_db)):
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"""
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根据学号删除学生记录(通常为逻辑删除)。
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- sid 为查询参数,返回统一的 stu_info_add_resp。
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"""
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try:
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# 调用 dao 层删除函数(已别名为 delete_info),传入学号
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res = delete_info(gs, sid)
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if not res:
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# 没有删除任何行,可能学号不存在
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raise HTTPException(status_code=500, detail='没有删除')
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return stu_info_add_resp(code=200, message='删除成功')
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except Exception as err:
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raise HTTPException(status_code=500, detail=str(err))
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