302 lines
8.4 KiB
JavaScript
302 lines
8.4 KiB
JavaScript
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/**
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* Shopro-request
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* @description api模块管理,loading配置,请求拦截,错误处理
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*/
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import Request from 'luch-request';
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import { baseUrl, apiPath } from '@/sheep/config';
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import $store from '@/sheep/store';
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import $platform from '@/sheep/platform';
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import {
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showAuthModal
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} from '@/sheep/hooks/useModal';
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import AuthUtil from '@/sheep/api/member/auth';
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const options = {
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// 显示操作成功消息 默认不显示
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showSuccess: false,
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// 成功提醒 默认使用后端返回值
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successMsg: '',
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// 显示失败消息 默认显示
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showError: true,
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// 失败提醒 默认使用后端返回信息
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errorMsg: '',
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// 显示请求时loading模态框 默认显示
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showLoading: true,
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// loading提醒文字
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loadingMsg: '加载中',
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// 需要授权才能请求 默认放开
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auth: false,
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// ...
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};
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// Loading全局实例
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let LoadingInstance = {
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target: null,
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count: 0,
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};
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/**
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* 关闭loading
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*/
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function closeLoading() {
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if (LoadingInstance.count > 0) LoadingInstance.count--;
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if (LoadingInstance.count === 0) uni.hideLoading();
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}
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/**
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* @description 请求基础配置 可直接使用访问自定义请求
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*/
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const http = new Request({
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baseURL: baseUrl + apiPath,
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timeout: 8000,
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method: 'GET',
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header: {
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Accept: 'text/json',
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'Content-Type': 'application/json;charset=UTF-8',
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platform: $platform.name,
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},
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// #ifdef APP-PLUS
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sslVerify: false,
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// #endif
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// #ifdef H5
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// 跨域请求时是否携带凭证(cookies)仅H5支持(HBuilderX 2.6.15+)
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withCredentials: false,
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// #endif
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custom: options,
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});
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/**
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* @description 请求拦截器
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*/
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http.interceptors.request.use(
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(config) => {
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// 自定义处理【auth 授权】:必须登录的接口,则跳出 AuthModal 登录弹窗
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if (config.custom.auth && !$store('user').isLogin) {
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showAuthModal();
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return Promise.reject();
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}
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// 自定义处理【loading 加载中】:如果需要显示 loading,则显示 loading
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if (config.custom.showLoading) {
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LoadingInstance.count++;
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LoadingInstance.count === 1 &&
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uni.showLoading({
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title: config.custom.loadingMsg,
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mask: true,
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fail: () => {
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uni.hideLoading();
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},
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});
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}
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// 增加 token 令牌、terminal 终端、tenant 租户的请求头
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const token = getAccessToken();
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if (token) {
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config.header['Authorization'] = token;
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}
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// TODO 芋艿:特殊处理
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config.header['Accept'] = '*/*'
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config.header['tenant-id'] = '1';
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config.header['terminal'] = '20';
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// config.header['Authorization'] = 'Bearer test247';
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return config;
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},
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(error) => {
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return Promise.reject(error);
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},
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);
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/**
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* @description 响应拦截器
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*/
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http.interceptors.response.use(
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(response) => {
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// 约定:如果是 /auth/ 下的 URL 地址,并且返回了 accessToken 说明是登录相关的接口,则自动设置登陆令牌
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if (response.config.url.indexOf('/member/auth/') >= 0 && response.data?.data?.accessToken) {
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$store('user').setToken(response.data.data.accessToken, response.data.data.refreshToken);
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}
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// 自定处理【loading 加载中】:如果需要显示 loading,则关闭 loading
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response.config.custom.showLoading && closeLoading();
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// 自定义处理【error 错误提示】:如果需要显示错误提示,则显示错误提示
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if (response.data.code !== 0) {
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// 特殊:如果 401 错误码,则跳转到登录页 or 刷新令牌
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if (response.data.code === 401) {
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return refreshToken(response.config);
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}
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// 错误提示
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if (response.config.custom.showError) {
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uni.showToast({
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title: response.data.msg || '服务器开小差啦,请稍后再试~',
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icon: 'none',
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mask: true,
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});
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}
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}
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// 自定义处理【showSuccess 成功提示】:如果需要显示成功提示,则显示成功提示
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if (response.config.custom.showSuccess
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&& response.config.custom.successMsg !== ''
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&& response.data.code === 0) {
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uni.showToast({
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title: response.config.custom.successMsg,
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icon: 'none',
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});
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}
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// 返回结果:包括 code + data + msg
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return Promise.resolve(response.data);
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},
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(error) => {
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const userStore = $store('user');
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const isLogin = userStore.isLogin;
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let errorMessage = '网络请求出错';
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if (error !== undefined) {
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switch (error.statusCode) {
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case 400:
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errorMessage = '请求错误';
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break;
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case 401:
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errorMessage = isLogin ? '您的登陆已过期' : '请先登录';
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// 正常情况下,后端不会返回 401 错误,所以这里不处理 handleAuthorized
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break;
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case 403:
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errorMessage = '拒绝访问';
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break;
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case 404:
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errorMessage = '请求出错';
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break;
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case 408:
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errorMessage = '请求超时';
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break;
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case 429:
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errorMessage = '请求频繁, 请稍后再访问';
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break;
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case 500:
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errorMessage = '服务器开小差啦,请稍后再试~';
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break;
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case 501:
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errorMessage = '服务未实现';
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break;
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case 502:
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errorMessage = '网络错误';
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break;
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case 503:
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errorMessage = '服务不可用';
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break;
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case 504:
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errorMessage = '网络超时';
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break;
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case 505:
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errorMessage = 'HTTP 版本不受支持';
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break;
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}
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if (error.errMsg.includes('timeout')) errorMessage = '请求超时';
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// #ifdef H5
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if (error.errMsg.includes('Network'))
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errorMessage = window.navigator.onLine ? '服务器异常' : '请检查您的网络连接';
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// #endif
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}
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if (error && error.config) {
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if (error.config.custom.showError === false) {
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uni.showToast({
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title: error.data?.msg || errorMessage,
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icon: 'none',
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mask: true,
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});
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}
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error.config.custom.showLoading && closeLoading();
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}
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return false;
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},
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);
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// Axios 无感知刷新令牌,参考 https://www.dashingdog.cn/article/11 与 https://segmentfault.com/a/1190000020210980 实现
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let requestList = [] // 请求队列
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let isRefreshToken = false // 是否正在刷新中
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const refreshToken = async (config) => {
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// 如果当前已经是 refresh-token 的 URL 地址,并且还是 401 错误,说明是刷新令牌失败了,直接返回 Promise.reject(error)
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if (config.url.indexOf('/member/auth/refresh-token') >= 0) {
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return Promise.reject('error')
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}
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// 如果未认证,并且未进行刷新令牌,说明可能是访问令牌过期了
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if (!isRefreshToken) {
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isRefreshToken = true
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// 1. 如果获取不到刷新令牌,则只能执行登出操作
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const refreshToken = getRefreshToken()
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if (!refreshToken) {
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return handleAuthorized()
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}
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// 2. 进行刷新访问令牌
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try {
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const refreshTokenResult = await AuthUtil.refreshToken(refreshToken);
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if (refreshTokenResult.code !== 0) {
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// 如果刷新不成功,直接抛出 e 触发 2.2 的逻辑
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// noinspection ExceptionCaughtLocallyJS
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throw new Error('刷新令牌失败');
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}
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// 2.1 刷新成功,则回放队列的请求 + 当前请求
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config.header.Authorization = 'Bearer ' + getAccessToken()
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requestList.forEach((cb) => {
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cb()
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})
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requestList = []
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return request(config)
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} catch (e) {
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// 为什么需要 catch 异常呢?刷新失败时,请求因为 Promise.reject 触发异常。
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// 2.2 刷新失败,只回放队列的请求
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requestList.forEach((cb) => {
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cb()
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})
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// 提示是否要登出。即不回放当前请求!不然会形成递归
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return handleAuthorized()
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} finally {
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requestList = []
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isRefreshToken = false
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}
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} else {
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// 添加到队列,等待刷新获取到新的令牌
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return new Promise((resolve) => {
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requestList.push(() => {
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config.header.Authorization = 'Bearer ' + getAccessToken() // 让每个请求携带自定义token 请根据实际情况自行修改
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resolve(request(config))
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})
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})
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}
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}
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/**
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* 处理 401 未登录的错误
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*/
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const handleAuthorized = () => {
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const userStore = $store('user');
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userStore.logout(true);
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showAuthModal();
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// 登录超时
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return Promise.reject({
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code: 401,
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msg: userStore.isLogin ? '您的登陆已过期' : '请先登录'
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})
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}
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/** 获得访问令牌 */
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const getAccessToken = () => {
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return uni.getStorageSync('token');
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}
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/** 获得刷新令牌 */
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const getRefreshToken = () => {
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return uni.getStorageSync('refresh-token');
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}
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const request = (config) => {
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return http.middleware(config);
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};
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export default request;
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