/// 网络请求封装，单例模式

import 'package:dio/dio.dart';

class Fetch {
  static final Fetch _fetch = Fetch._internal();
  final Dio _dio = Dio(BaseOptions(baseUrl: 'http://xxx.xxx.xx.xx:xxxx'));

  factory Fetch() => _fetch;

  Fetch._internal();

  Future<Response> get(String path, [Map<String, dynamic> query]) async {
    Response response = Response(data: -1);
    try {
      response = await _dio.get(path, queryParameters: query);
    } on DioError catch (e) {
      print(e.error);
    }
    return response;
  }

  Future<Response> post(String path, [Map<String, dynamic> body]) async {
    Response response = Response(data: -1);
    try {
      response = await _dio.post(
        path,
        data: body,
        options: Options(
          contentType: Headers.formUrlEncodedContentType,
        ),
      );
    } on DioError catch (e) {
      print(e.error);
    }
    return response;
  }
}