handleDioError static method

String handleDioError(DioError err)

Implementation

static String handleDioError(DioError err) {
  String message = err.message;
  DioErrorType type = err.type;
  if (type == DioErrorType.connectTimeout ||
      type == DioErrorType.receiveTimeout) {
    message = "请求服务超时!";
  } else if (type == DioErrorType.response) {
    int statusCode = err.response!.statusCode!;
    if (statusCode >= 300 && statusCode < 400) {
      message = "请求重定向";
    } else if (statusCode >= 400 && statusCode < 500) {
      message = "请求包含语法错误或者请求无法实现";
    } else if (statusCode >= 500 && statusCode < 600) {
      message = "服务器遇到错误，无法完成请求";
    }
  } else if (type == DioErrorType.cancel) {
    message = "你取消了请求!";
  } else if (type == DioErrorType.other) {
    if (err.message.contains("FormatException")) {
      message = "请求URL格式不正确!";
    } else if (err.message.contains("Connection failed") || err.message.contains("Connection refused")) {
      message = "连接服务器失败,请检查网络!";
    } else if(err.message.contains("No such file or directory")) {
      message = "上传的文件不存在";
    }
  }
  return message;
}