89 lines
2.3 KiB
Dart
Executable File
89 lines
2.3 KiB
Dart
Executable File
import 'package:dio/dio.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_app/http/config.dart';
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import 'package:bot_toast/bot_toast.dart';
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class Http {
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Dio _dio;
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Http() {
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this._dio = new Dio(new BaseOptions(
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baseUrl: config.BASE_URL,
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connectTimeout: 3000,
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receiveTimeout: 3000,
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));
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this._dio.interceptors.add(InterceptorsWrapper(
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onRequest:(RequestOptions options){
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/// 请求发送前拦截，对 queryParameters 参数进行RSA公钥加密，放到token中发送给后端
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/// 后端私钥解密，查询数据，然后通过私钥加密数据再返回给前端
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///options.headers = options.queryParameters;
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///print(options.headers);
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return options;
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},
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onResponse:(Response response) {
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/// 响应拦截器，将数据返回给前端之前先使用公钥解密后端的数据，然后将解密后明文给前端
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// 在返回响应数据之前做一些预处理
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return response;
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},
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onError: (DioError e) {
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return e;
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}
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));
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}
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/***
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* get 请求
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* url 请求地址
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* params 请求参数
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*/
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get (String url, Object params) async {
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Response response;
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try {
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response = await this._dio.get(url, queryParameters: params);
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return response.data;
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} on DioError catch (e) {
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if (CancelToken.isCancel(e)) {
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BotToast.showSimpleNotification(
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title: 'GET请求取消',
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subTitle: e.message,
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hideCloseButton: true
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);
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}
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BotToast.showSimpleNotification(
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title: 'GET请求错误',
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subTitle: e.message,
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hideCloseButton: true
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);
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print(e.message);
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}
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}
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/***
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* post 请求
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* url 请求地址
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* params 请求参数
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*/
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post (String url, Object params) async {
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Response response;
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try {
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response = await this._dio.post(url, data: params);
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return response.data;
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} on DioError catch (e) {
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if (CancelToken.isCancel(e)) {
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BotToast.showSimpleNotification(
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title: 'POST请求取消',
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subTitle: e.message,
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hideCloseButton: true
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);
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}
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BotToast.showSimpleNotification(
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title: 'POST请求错误',
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subTitle: e.message,
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hideCloseButton: true
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);
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}
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}
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} |