初始提交

bin/model/app_uri_status.dart

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+// lib/http_status_codes.dart
+
+class HttpStatusCodes {
+  // Success codes
+  static const int ok = 200;
+  static const int created = 201;
+  static const int accepted = 202;
+
+  // Client error codes
+  static const int badRequest = 400;
+  static const int unauthorized = 401;//401 参数错误
+  static const int forbidden = 403;//403 禁止，多条数据，不允许修改
+  static const int notFound = 404;//404 没有报告
+
+  // Server error codes
+  static const int internalServerError = 500;//500 内部异常
+  static const int notImplemented = 501;
+  static const int serviceUnavailable = 503;
+}