error_handle.dart
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import 'dart:io';
import 'package:dio/dio.dart';
import 'package:flutter/foundation.dart';
class ExceptionHandle {
static const int success = 200;
static const int success_not_content = 204;
static const int not_modified = 304;
static const int unauthorized = 401;
static const int forbidden = 403;
static const int not_found = 404;
static const int net_error = 1000;
static const int parse_error = 1001;
static const int socket_error = 1002;
static const int http_error = 1003;
static const int connect_timeout_error = 1004;
static const int send_timeout_error = 1005;
static const int receive_timeout_error = 1006;
static const int cancel_error = 1007;
static const int unknown_error = 9999;
static final Map<int, NetError> _errorMap = <int, NetError>{
net_error : NetError(net_error, '网络异常，请检查你的网络！'),
parse_error : NetError(parse_error, '数据解析错误！'),
socket_error : NetError(socket_error, '网络异常，请检查你的网络！'),
http_error : NetError(http_error, '服务器异常，请稍后重试！'),
connect_timeout_error : NetError(connect_timeout_error, '连接超时！'),
send_timeout_error : NetError(send_timeout_error, '请求超时！'),
receive_timeout_error : NetError(receive_timeout_error, '响应超时！'),
cancel_error : NetError(cancel_error, '取消请求'),
unknown_error : NetError(unknown_error, '未知异常'),
};
static NetError handleException(dynamic error) {
debugPrint(error.toString());
if (error is DioError) {
if (error.type.errorCode == 0) {
return _handleException(error.error);
} else {
return _errorMap[error.type.errorCode]!;
}
} else {
return _handleException(error);
}
}
static NetError _handleException(dynamic error) {
int errorCode = unknown_error;
if (error is SocketException) {
errorCode = socket_error;
}
if (error is HttpException) {
errorCode = http_error;
}
if (error is FormatException) {
errorCode = parse_error;
}
return _errorMap[errorCode]!;
}
}
class NetError{
NetError(this.code, this.msg);
int code;
String msg;
}
extension DioErrorTypeExtension on DioErrorType {
int get errorCode => [
ExceptionHandle.connect_timeout_error,
ExceptionHandle.send_timeout_error,
ExceptionHandle.receive_timeout_error,
0,
ExceptionHandle.cancel_error,
0,
][index];
}