响应格式修改，原始数据查询修改

app/core/response_code.py

@@ -0,0 +1,49 @@
+"""
+响应状态码常量管理
+统一管理API响应状态码
+"""
+
+class ResponseCode:
+    """响应状态码常量"""
+
+    # 成功
+    SUCCESS = 0
+
+    # 客户端错误 (1000-1999)
+    BAD_REQUEST = 1000  # 请求参数错误
+    UNAUTHORIZED = 1001  # 未授权
+    FORBIDDEN = 1003  # 禁止访问
+    NOT_FOUND = 1004  # 资源不存在
+    CONFLICT = 1009  # 资源冲突
+    VALIDATION_ERROR = 1010  # 数据验证错误
+
+    # 服务器错误 (2000-2999)
+    INTERNAL_ERROR = 2000  # 内部服务器错误
+    DATABASE_ERROR = 2001  # 数据库错误
+
+    # 业务错误 (3000-3999)
+    ACCOUNT_NOT_FOUND = 3001  # 账号不存在
+    ACCOUNT_EXISTS = 3002  # 账号已存在
+    DATA_EXISTS = 3003  # 数据已存在
+    DATA_NOT_FOUND = 3004  # 数据不存在
+    IMPORT_FAILED = 3005  # 导入失败
+    QUERY_FAILED = 3006  # 查询失败
+
+
+class ResponseMessage:
+    """响应消息常量"""
+
+    SUCCESS = "操作成功"
+    BAD_REQUEST = "请求参数错误"
+    UNAUTHORIZED = "未授权访问"
+    FORBIDDEN = "禁止访问"
+    NOT_FOUND = "资源不存在"
+    INTERNAL_ERROR = "服务器内部错误"
+    DATABASE_ERROR = "数据库操作失败"
+
+    ACCOUNT_NOT_FOUND = "账号不存在"
+    ACCOUNT_EXISTS = "账号已存在"
+    DATA_EXISTS = "数据已存在"
+    DATA_NOT_FOUND = "数据不存在"
+    IMPORT_FAILED = "数据导入失败"
+    QUERY_FAILED = "数据查询失败"