Zhang Jing Xuan
0841b1a103
- 前端：Vue3 + TS + Element Plus，24 个页面路由（课件/组题/教案/动画/思维导图/作文批改/命题/课堂/资源/社区等） - 后端：FastAPI + SQLAlchemy + SQLite，17 个路由模块，AI 服务层含降级模板 - AI：glm-5.x 推理模型已禁用思维链，确保输出真实内容 - 修复：ai_service 两处请求体注入 enable_thinking/thinking disabled - 测试账号：13900999999 / test1234
92 lines
2.8 KiB
Python
92 lines
2.8 KiB
Python
import os
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from contextlib import asynccontextmanager
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from fastapi import FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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from starlette.middleware.base import BaseHTTPMiddleware
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from starlette.requests import Request as StarletteRequest
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from starlette.responses import JSONResponse
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from slowapi import _rate_limit_exceeded_handler
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from slowapi.errors import RateLimitExceeded
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from services.limiter import limiter
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from fastapi.staticfiles import StaticFiles
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from config import get_settings
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from database import engine, Base
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import models # noqa: F401
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from routers import auth, courseware, animation, exercise, lesson_plan, essay, ai, resource, community, exam, classroom, material, search, admin, mindmap, notification, chat
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settings = get_settings()
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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Base.metadata.create_all(bind=engine)
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os.makedirs(settings.UPLOAD_DIR, exist_ok=True)
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yield
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app = FastAPI(
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title=settings.APP_NAME,
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version=settings.APP_VERSION,
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lifespan=lifespan,
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)
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app.state.limiter = limiter
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app.add_exception_handler(RateLimitExceeded, _rate_limit_exceeded_handler)
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app.add_middleware(
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CORSMiddleware,
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allow_origins=settings.CORS_ORIGINS,
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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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class BodySizeLimitMiddleware(BaseHTTPMiddleware):
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"""Reject request bodies exceeding MAX_REQUEST_BODY_SIZE (default 60MB)."""
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async def dispatch(self, request: StarletteRequest, call_next):
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max_size = getattr(settings, "MAX_REQUEST_BODY_SIZE", 60 * 1024 * 1024)
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cl = request.headers.get("content-length")
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if cl and int(cl) > max_size:
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return JSONResponse(
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status_code=413,
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content={"detail": f"请求体过大，最大允许 {max_size // (1024*1024)}MB"},
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)
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return await call_next(request)
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app.add_middleware(BodySizeLimitMiddleware)
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app.include_router(auth.router)
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app.include_router(courseware.router)
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app.include_router(animation.router)
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app.include_router(exercise.router)
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app.include_router(lesson_plan.router)
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app.include_router(essay.router)
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app.include_router(exam.router)
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app.include_router(ai.router)
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app.include_router(resource.router)
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app.include_router(material.router)
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app.include_router(community.router)
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app.include_router(classroom.router)
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app.include_router(search.router)
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app.include_router(admin.router)
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app.include_router(mindmap.router)
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app.include_router(notification.router)
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app.include_router(chat.router)
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if os.path.exists(settings.UPLOAD_DIR):
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app.mount("/uploads", StaticFiles(directory=settings.UPLOAD_DIR), name="uploads")
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@app.get("/api/health")
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def health_check():
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return {"status": "ok", "version": settings.APP_VERSION}
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run("main:app", host="0.0.0.0", port=8000, reload=settings.DEBUG)
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