139 lines
4.1 KiB
Python
139 lines
4.1 KiB
Python
# ===========================================
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# 班级操行分管理系统 - 主入口
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#
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# 开发者: Canglan
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# 联系方式: admin@sea-studio.top
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# 版权归属: Sea Network Technology Studio
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# 许可证: MIT License
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#
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# 版权所有 © Sea Network Technology Studio
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# ===========================================
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from fastapi import FastAPI, Request
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import JSONResponse
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from contextlib import asynccontextmanager
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import traceback
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import uvicorn
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from config import settings
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from utils.logger import setup_logger, log_access
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from utils.database import init_db_pool, close_db_pool
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from utils.redis_client import init_redis_pool, close_redis_pool
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from middleware.auth_middleware import AuthMiddleware
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from routes import auth, student, parent, admin, subject, semester, debug
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# 设置日志
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logger = setup_logger()
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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"""应用生命周期管理"""
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logger.info("正在启动应用...")
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await init_db_pool()
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await init_redis_pool()
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logger.info(f"CORS 允许域名: {settings.CORS_ORIGINS}")
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logger.info(f"{settings.APP_NAME} 启动完成")
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yield
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logger.info("正在关闭应用...")
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await close_db_pool()
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await close_redis_pool()
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logger.info("应用已关闭")
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# 创建FastAPI应用
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app = FastAPI(
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title=settings.APP_NAME,
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version=settings.API_VERSION,
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debug=settings.DEBUG,
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lifespan=lifespan
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)
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# 访问日志中间件
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@app.middleware("http")
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async def access_log_middleware(request: Request, call_next):
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log_access(request)
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response = await call_next(request)
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return response
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# 认证中间件（先注册，后执行）
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app.add_middleware(AuthMiddleware)
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# CORS中间件（后注册，先执行）- 从环境变量读取允许的域名
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cors_origins = settings.CORS_ORIGINS
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if not cors_origins:
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logger.warning("CORS_ORIGINS 未配置或为空，跨域请求将被拒绝！请检查 .env 文件中的 CORS_ORIGINS 配置")
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app.add_middleware(
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CORSMiddleware,
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allow_origins=cors_origins,
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allow_credentials=True,
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allow_methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"],
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allow_headers=["*"],
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expose_headers=["*"],
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)
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# 全局异常处理器
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@app.exception_handler(Exception)
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async def global_exception_handler(request: Request, exc: Exception):
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"""全局异常处理器 - 捕获所有未处理异常"""
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logger.error(f"未处理异常: {exc}", exc_info=True)
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# 获取origin用于CORS头
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origin = request.headers.get("origin", "")
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allowed_origins = settings.CORS_ORIGINS or []
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# 使用HTTP 200 + 业务错误码返回，避免CORS头丢失问题
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# （FastAPI exception_handler返回的500响应可能不经过CORS中间件，导致跨域读取失败）
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headers = {}
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if origin in allowed_origins:
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headers["access-control-allow-origin"] = origin
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headers["access-control-allow-credentials"] = "true"
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headers["access-control-expose-headers"] = "*"
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return JSONResponse(
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status_code=200,
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content={
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"success": False,
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"code": 500,
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"message": f"服务器内部错误: {str(exc)}",
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"detail": traceback.format_exc() if settings.DEBUG else None
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},
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headers=headers
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)
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# 注册路由
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app.include_router(auth.router, prefix="/api/auth", tags=["认证"])
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app.include_router(student.router, prefix="/api/student", tags=["学生端"])
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app.include_router(parent.router, prefix="/api/parent", tags=["家长端"])
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app.include_router(admin.router, prefix="/api/admin", tags=["管理端"])
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app.include_router(subject.router, prefix="/api/subject", tags=["科目管理"])
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app.include_router(semester.router, prefix="/api/semester", tags=["学期管理"])
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app.include_router(debug.router, tags=["调试"])
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@app.get("/")
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async def root():
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return {"status": "ok", "message": f"{settings.APP_NAME} API 运行中"}
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@app.get("/health")
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async def health_check():
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return {"status": "healthy"}
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if __name__ == "__main__":
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uvicorn.run(
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"main:app",
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host="0.0.0.0",
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port=8000,
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reload=settings.DEBUG
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) |