初次提交

backend/debug_start.py

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+#!/usr/bin/env python3
+# 带诊断信息的启动脚本
+
+import socket
+import sys
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+import uvicorn
+
+# 检查端口是否可用
+def check_port(port):
+    try:
+        with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+            s.bind(('0.0.0.0', port))
+        return True
+    except OSError:
+        return False
+
+# 获取本机IP
+def get_local_ip():
+    try:
+        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        s.connect(("8.8.8.8", 80))
+        ip = s.getsockname()[0]
+        s.close()
+        return ip
+    except:
+        return "127.0.0.1"
+
+app = FastAPI(
+    title="云盘应用 API",
+    description="现代化的云存储Web应用后端API",
+    version="1.0.0",
+    docs_url="/docs",
+    redoc_url="/redoc"
+)
+
+# 更宽松的CORS配置
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+@app.get("/")
+async def root():
+    return {
+        "message": "云盘应用 API",
+        "version": "1.0.0",
+        "docs": "/docs",
+        "health": "/health"
+    }
+
+@app.get("/health")
+async def health():
+    return {
+        "status": "healthy",
+        "message": "服务运行正常"
+    }
+
+@app.get("/debug")
+async def debug_info():
+    return {
+        "python_version": sys.version,
+        "working_directory": ".",
+        "available_endpoints": [
+            "/",
+            "/health",
+            "/debug",
+            "/docs",
+            "/redoc",
+            "/openapi.json"
+        ]
+    }
+
+if __name__ == "__main__":
+    port = 8000
+
+    print("🔍 启动前诊断...")
+    print(f"Python版本: {sys.version}")
+    print(f"工作目录: {(await debug_info())['working_directory']}")
+
+    # 检查端口
+    if not check_port(port):
+        print(f"❌ 端口 {port} 被占用，尝试使用端口 8001")
+        port = 8001
+
+    local_ip = get_local_ip()
+
+    print(f"🚀 启动云盘后端服务...")
+    print("=" * 60)
+    print(f"📍 本地访问: http://localhost:{port}")
+    print(f"📍 网络访问: http://{local_ip}:{port}")
+    print(f"📚 API文档: http://localhost:{port}/docs")
+    print(f"📚 网络文档: http://{local_ip}:{port}/docs")
+    print(f"❤️  健康检查: http://localhost:{port}/health")
+    print(f"🔧 调试信息: http://localhost:{port}/debug")
+    print(f"⏹️  按 Ctrl+C 停止服务")
+    print("=" * 60)
+
+    # 启动时打印所有路由
+    @app.on_event("startup")
+    async def startup_event():
+        print("\n📋 可用路由:")
+        for route in app.routes:
+            if hasattr(route, 'path') and hasattr(route, 'methods'):
+                print(f"  {list(route.methods)} {route.path}")
+        print()
+
+    try:
+        uvicorn.run(
+            app,
+            host="0.0.0.0",  # 允许外部访问
+            port=port,
+            reload=False,
+            access_log=True,  # 显示访问日志
+            log_level="info"
+        )
+    except Exception as e:
+        print(f"❌ 启动失败: {e}")
+        print("\n💡 尝试的解决方案:")
+        print("1. 检查防火墙设置")
+        print("2. 尝试其他端口: python debug_start.py")
+        print("3. 检查是否有其他程序占用端口")