createConnectivityInterceptor function

InterceptorsWrapper createConnectivityInterceptor()

创建连通性拦截器（简化的工厂方法）

Implementation

InterceptorsWrapper createConnectivityInterceptor() {
  return InterceptorsWrapper(
    onRequest: (options, handler) async {
      try {
        final connectivity = await Connectivity().checkConnectivity();

        if (connectivity == ConnectivityResult.none) {
          return handler.reject(
            DioException(
              requestOptions: options,
              type: DioExceptionType.connectionError,
              error: '网络异常，请检查网络连接',
            ),
          );
        } else {
          handler.next(options);
        }
      } catch (error) {
        handler.next(options);
      }
    },
  );
}