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- 实现个人资料更新和密码修改- 配置数据库连接和 Alembic 迁移
- 添加健康检查和系统统计接口
- 实现自定义错误处理和响应格式
- 配置 FastAPI 应用和中间件

fastapi-backend/app/utils/errors.py

@@ -0,0 +1,59 @@
+from fastapi import HTTPException, status
+
+
+class AppError(HTTPException):
+    """
+    应用程序自定义错误类
+    """
+    def __init__(
+        self,
+        detail: str,
+        status_code: int = status.HTTP_400_BAD_REQUEST,
+        headers: dict = None
+    ):
+        super().__init__(status_code=status_code, detail=detail, headers=headers)
+
+
+# 常用错误
+class NotFoundError(AppError):
+    """
+    资源未找到错误
+    """
+    def __init__(self, detail: str = "资源未找到"):
+        super().__init__(detail=detail, status_code=status.HTTP_404_NOT_FOUND)
+
+
+class UnauthorizedError(AppError):
+    """
+    未授权错误
+    """
+    def __init__(self, detail: str = "未授权"):
+        super().__init__(
+            detail=detail,
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            headers={"WWW-Authenticate": "Bearer"}
+        )
+
+
+class ForbiddenError(AppError):
+    """
+    禁止访问错误
+    """
+    def __init__(self, detail: str = "禁止访问"):
+        super().__init__(detail=detail, status_code=status.HTTP_403_FORBIDDEN)
+
+
+class BadRequestError(AppError):
+    """
+    请求参数错误
+    """
+    def __init__(self, detail: str = "请求参数错误"):
+        super().__init__(detail=detail, status_code=status.HTTP_400_BAD_REQUEST)
+
+
+class ConflictError(AppError):
+    """
+    资源冲突错误
+    """
+    def __init__(self, detail: str = "资源冲突"):
+        super().__init__(detail=detail, status_code=status.HTTP_409_CONFLICT)

fastapi-backend/app/utils/response.py

@@ -0,0 +1,43 @@
+from typing import Any, Dict, Optional
+
+
+def success_response(
+    data: Any = None,
+    message: Optional[str] = None,
+    code: int = 200
+) -> Dict[str, Any]:
+    """
+    标准成功响应格式
+    """
+    response = {
+        "success": True,
+        "code": code
+    }
+    
+    if data is not None:
+        response["data"] = data
+    
+    if message:
+        response["message"] = message
+    
+    return response
+
+
+def error_response(
+    message: str,
+    code: int = 400,
+    data: Any = None
+) -> Dict[str, Any]:
+    """
+    标准错误响应格式
+    """
+    response = {
+        "success": False,
+        "code": code,
+        "message": message
+    }
+    
+    if data is not None:
+        response["data"] = data
+    
+    return response