学生管理系统代码
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# main0814.py
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# 项目入口文件:创建 FastAPI 应用、注册路由、创建数据库表
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from fastapi import FastAPI
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from pathlib import Path
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from fastapi.responses import FileResponse, JSONResponse
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from fastapi.staticfiles import StaticFiles
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from sqlalchemy.exc import IntegrityError, SQLAlchemyError
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from api import workspace_api, ai_api
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from starlette.middleware.cors import CORSMiddleware
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from api import student_api, advisor_api, employment_api, score_api, class_api, teacher_api
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from init_db import init_all, drop_tables
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# 2. 创建 FastAPI 实例
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app = FastAPI(
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title="FastAPI + SQLAlchemy 分层架构(MySQL)",
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description="用户管理示例,演示分层架构和 MySQL 集成",
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version="1.0.0"
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)
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# 3. 添加跨域中间件(允许前端跨域请求)
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"], # 允许所有来源,生产环境应指定具体域名
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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# 4. 注册子路由
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# prefix 为路由前缀,所有用户接口都以 /api/users 开头
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app.include_router(
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student_api.router,
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prefix="/api/studentsManagement",
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tags=["学生管理 (文涛,浩霖)"]
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)
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#
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app.include_router(
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class_api.router,
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prefix="/api/studentsManagement",
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tags=["班级管理 (薛炎)"]
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)
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#
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app.include_router(
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teacher_api.router,
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prefix="/api/studentsManagement",
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tags=["老师管理 (广龙)"]
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)
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#
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app.include_router(
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advisor_api.router,
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prefix="/api/studentsManagement",
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tags=["顾问管理 (子镜)"]
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)
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#
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app.include_router(
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score_api.router,
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prefix="/api/studentsManagement",
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tags=["成绩管理 (广湘)"]
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)
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app.include_router(
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employment_api.router,
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prefix="/api/studentsManagement",
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tags=["就业管理 (周兴)"]
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)
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# 5. 前端及聚合查询接口
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app.include_router(workspace_api.router, prefix="/api/studentsManagement")
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app.include_router(ai_api.router, prefix="/api/studentsManagement")
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FRONTEND_DIR = Path(__file__).resolve().parent / "frontend"
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app.mount("/static", StaticFiles(directory=FRONTEND_DIR), name="frontend")
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@app.exception_handler(IntegrityError)
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async def integrity_error(request, error):
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return JSONResponse(status_code=409, content={"detail": "保存失败:学号、手机号、名称或学生就业记录已存在,或关联记录不存在。请检查后重试。"})
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@app.exception_handler(SQLAlchemyError)
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async def database_error(request, error):
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return JSONResponse(status_code=503, content={"detail": "数据库暂时不可用,请检查 MySQL 服务和表结构。"})
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# 根路径直接打开前端页面,API 文档仍位于 /docs。
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@app.get("/")
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async def root():
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return FileResponse(FRONTEND_DIR / "index.html")
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# 6. 如果直接运行此文件,启动 uvicorn 服务器
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if __name__ == "__main__":
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# drop_tables()
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init_all(True, False)
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import uvicorn
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uvicorn.run(
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"main:app", # 指定应用位置(模块名:应用变量名)
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host="0.0.0.0", # 监听所有网络接口
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port=8004, # 端口
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reload=True # 开发模式,代码变动自动重启
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)
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