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import 'package:flutter/material.dart'; import 'dart:io'; import 'dart:convert'; import 'package:dio/dio.dart'; import 'package:fluttertoast/fluttertoast.dart'; import 'package:flutterdemo/Config.dart'; import 'package:flutterdemo/network/UrlConstant.dart'; import 'package:flutterdemo/network/interceptor/TokenInterceptor.dart'; import 'package:flutterdemo/network/interceptor/ErrorInterceptor.dart'; import 'package:flutterdemo/network/interceptor/HeaderInterceptor.dart'; import 'package:flutterdemo/network/Code.dart'; import 'package:flutterdemo/page/util/NavigatorUtils.dart'; import 'package:flutterdemo/util/TextUtils.dart'; import 'package:flutterdemo/model/base/BaseModel.dart'; import 'package:common_utils/common_utils.dart'; /* * Http请求配置工具类 */ class NetUtils { static BuildContext context = null; BaseOptions _options; Dio dio; // 工厂模式 factory NetUtils() => _getInstance(); static NetUtils get instance => _getInstance(); static NetUtils _instance; NetUtils._internal() { //初始化 dio = getDio(); } static NetUtils _getInstance() { LogUtil.init(isDebug: false,tag: "****NetUtils****"); if (_instance == null) { _instance = new NetUtils._internal(); } return _instance; } /** * 获取dio实例,不配置根url，完全使用传入的绝对路径url */ Dio getDio({String url, BaseOptions options}) { if (options == null) { if (TextUtils.isEmpty(url) || (!url.startsWith("http://") && url.startsWith("https://"))) { _options = new BaseOptions( baseUrl: UrlConstant.BASE_URL, connectTimeout: 15000, receiveTimeout: 15000, contentType: ContentType.parse("application/x-www-form-urlencoded"), ); } else { _options = new BaseOptions( connectTimeout: 15000, receiveTimeout: 15000, contentType: ContentType.parse("application/x-www-form-urlencoded"), ); } } else { _options = options; } Dio _dio = new Dio(_options); // _dio.interceptors.add(new TokenInterceptor());//待完善 // _dio.interceptors.add(new ErrorInterceptor(_dio));//待优化 _dio.interceptors.add(new HeaderInterceptor()); // _dio.interceptors.add(new LogInterceptor()); setProxy(_dio); return _dio; } /** * 设置代理 * */ void setProxy(Dio dio) { //debug模式且为wifi网络时设置代理 if (Config.debug) { //debug模式下设置代理 (dio.httpClientAdapter as DefaultHttpClientAdapter).onHttpClientCreate = (client) { //设置代理 client.findProxy = (uri) { return "PROXY " + UrlConstant.PROXY_URI; }; }; } } post(BuildContext context, url, {data, BaseOptions options,cancelToken}) async { LogUtil.v('启动post请求 url：$url ,body: $data'); Response response; try { if (url != null && (url.startsWith("http://") || url.startsWith("https://"))) { dio = getDio(url: url,options: options); } response = await dio.post(url, data: data, cancelToken: cancelToken); LogUtil.v('post请求成功 response.data：${response.toString()}'); } on DioError catch (e) { if (CancelToken.isCancel(e)) { LogUtil.v('post请求取消:' + e.message); } LogUtil.v('post请求发生错误：$e'); } return response; //response.data.toString()这种方式不是标准json,不能使用 } get(BuildContext context, url, {data,BaseOptions options,cancelToken}) async { LogUtil.v('启动get请求 url：$url ,body: $data'); Response response; try { if (url != null && (url.startsWith("http://") || url.startsWith("https://"))) { dio = getDio(url: url,options: options); } response = await dio.get(url, queryParameters: data, cancelToken: cancelToken); LogUtil.v('get请求成功 response.data：${response.toString()}'); } on DioError catch (e) { if (CancelToken.isCancel(e)) { LogUtil.v('get请求取消:' + e.message); } LogUtil.v('get请求发生错误：$e'); } return response; } }