详解uniapp无痛刷新token方法

import http from './interface'
import config from './config'

// request.js
import Vue from 'vue'
import Router  from '@/router'

//...其它逻辑代码

export const execute = (name, data = {}) => {

    //设置请求前拦截器
    http.interceptor.request = (config) => {
        let token = uni.getStorageSync('accessToken')
        delete config.header['x-access-token']
        if (token) {
            config.header['x-access-token'] = token
        }
    }
    //设置请求结束后拦截器
    http.interceptor.response = async (response) => {
        const statusCode = response.statusCode;
        if (statusCode === 401) {
            response = await doRequest(response)
        }
        if (statusCode === 402) {
            uni.removeStorageSync('accessToken');
            uni.removeStorageSync('refreshToken');
            uni.removeStorageSync('realname');
            let jump = uni.getStorageSync('jump')
            if (!jump) {
                setTimeout(() => {
                    uni.showModal({
                        title: '提示',
                        content: '您的账号在其它地点登录!',
                        showCancel: false,
                        success: function(res) {
                            if (res.confirm) {
                                Router.push({
                                    name: 'login',
                                    params: {
                                        'RouterName': 'home'
                                    }
                                })
                            }
                        },
                    })
                });
                uni.setStorageSync('jump', 'true')
            }
        }
        if (statusCode == 403) {
            let jump = uni.getStorageSync('jump')
            if (!jump) {
                setTimeout(() => {
                    Router.replace({
                        name: 'login',
                        params: {
                            'RouterName': 'home'
                        }
                    })
                },500)
                uni.setStorageSync('jump', 'true')
            }
        }
        // 统一处理错误请求
        const code = response.data.code;
        const message = response.data.message;
        if (response.statusCode == 200 && code !== 0 && code != -1 && code) {
            uni.showToast({
                title: message,
                icon: "none",
                duration: 2000
            });
        }
        return response;
    }
    return http.request({
        name: name,
        baseUrl: config.base,
        url: config.interface[name].path,
        method: config.interface[name].method ? config.interface[name].method : 'GET',
        dataType: 'JSON',
        data,
    })
}

export default {
    execute
}
    // 刷新 token 方法
    async function doRequest(response) {
        const res = await execute('refresh', {refreshToken: uni.getStorageSync('refreshToken')})
        const {
            code,
            data
        } = res.data
        if (code == 0) {
            uni.setStorageSync('accessToken', data.accessToken)
            uni.setStorageSync('refreshToken', data.refreshToken)
            let config = response.config
            config.header['x-access-token'] = data.accessToken
            const resold = await execute(config.name,{ ...config.data
            })
            return resold
        } else {
            uni.removeStorageSync('accessToken');
            uni.removeStorageSync('refreshToken');
            uni.showToast({
                title: '登陆过期请重新登陆！',
                icon: "none",
                success() {
                    Router.push({
                        name: 'login',
                        params: {
                            'RouterName': 'home'
                        }
                    })
                }
            });
        }
    }