189 lines
3.9 KiB
JavaScript
189 lines
3.9 KiB
JavaScript
/**
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* 网络请求封装
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* 包含Token自动刷新机制
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*/
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// 从配置文件导入API_BASE
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import { API_BASE } from '@/config/api.js';
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let isRefreshing = false; // 是否正在刷新token
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let requests = []; // 存储待重试的请求
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/**
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* 统一请求方法
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*/
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const request = (options) => {
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return new Promise((resolve, reject) => {
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// 获取token
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const token = uni.getStorageSync('token');
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// 设置请求头
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const header = {
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'Content-Type': 'application/json',
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...options.header
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};
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if (token) {
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header['Authorization'] = `Bearer ${token}`;
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}
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uni.request({
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url: API_BASE + options.url,
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method: options.method || 'GET',
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data: options.data || {},
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header: header,
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success: (res) => {
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// 请求成功
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if (res.statusCode === 200) {
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resolve(res.data);
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}
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// Token过期
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else if (res.statusCode === 401) {
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// 如果正在刷新token，将请求加入队列
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if (isRefreshing) {
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requests.push(() => {
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request(options).then(resolve).catch(reject);
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});
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} else {
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// 开始刷新token
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isRefreshing = true;
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refreshToken()
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.then((newToken) => {
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// 刷新成功，重试当前请求
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isRefreshing = false;
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// 重试当前请求
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request(options).then(resolve).catch(reject);
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// 重试队列中的请求
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requests.forEach(cb => cb());
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requests = [];
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})
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.catch((err) => {
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// 刷新失败，跳转登录
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isRefreshing = false;
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requests = [];
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uni.showToast({
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title: '登录已过期，请重新登录',
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icon: 'none'
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});
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setTimeout(() => {
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uni.reLaunch({
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url: '/pages/login/login'
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});
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}, 1500);
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reject(err);
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});
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}
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}
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// 其他错误
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else {
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reject(res);
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}
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},
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fail: (err) => {
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reject(err);
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}
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});
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});
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};
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/**
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* 刷新Token
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*/
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const refreshToken = () => {
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return new Promise((resolve, reject) => {
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const refreshToken = uni.getStorageSync('refreshToken');
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if (!refreshToken) {
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reject(new Error('No refresh token'));
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return;
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}
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uni.request({
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url: API_BASE + '/api/users/refresh-token',
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method: 'POST',
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data: {
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refreshToken: refreshToken
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},
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success: (res) => {
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if (res.statusCode === 200 && res.data.success) {
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// 保存新token
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const newToken = res.data.data.token;
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const newRefreshToken = res.data.data.refreshToken;
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uni.setStorageSync('token', newToken);
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uni.setStorageSync('refreshToken', newRefreshToken);
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resolve(newToken);
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} else {
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reject(new Error('Refresh token failed'));
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}
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},
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fail: (err) => {
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reject(err);
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}
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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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*/
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export const get = (url, data = {}, header = {}) => {
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return request({
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url,
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method: 'GET',
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data,
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header
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});
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};
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/**
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* POST请求
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*/
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export const post = (url, data = {}, header = {}) => {
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return request({
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url,
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method: 'POST',
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data,
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header
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});
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};
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/**
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* PUT请求
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*/
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export const put = (url, data = {}, header = {}) => {
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return request({
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url,
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method: 'PUT',
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data,
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header
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});
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};
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/**
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* DELETE请求
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*/
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export const del = (url, data = {}, header = {}) => {
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return request({
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url,
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method: 'DELETE',
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data,
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header
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});
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};
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export default {
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get,
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post,
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put,
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del,
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request
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};
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