本文主要是介绍使用axios结合access_token和refresh_token进行无感刷新，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
这里利用到的主要是 axios 请求失败的config配置可以记住本次请求的参数，以及利用拦截器，等待刷新完后通过 axios(config) 再次发起请求。
小技巧：将每次请求失败的config和promise的resolve参数存放到数组中，等待刷新token完成再次请求
<script setup lang="ts">
import { RouterLink, RouterView } from 'vue-router'
import HelloWorld from './components/HelloWorld.vue'
import axios, { type InternalAxiosRequestConfig } from 'axios'
import { ref } from 'vue'let isRefreshing = false // 标志是否正在刷新token
let requestQueue: { config: InternalAxiosRequestConfig; resolve: any }[] = [] // 存放token失效的请求配置的promise的resolve方法axios.interceptors.request.use((config) => {config.headers.Authorization = 'bearer ' + localStorage.getItem('access_token') || '' //拦截器添加token请求头return config
})
axios.interceptors.response.use((res) => {return res},async (err) => {const { config, response } = errif (response.status == 401 && !config.url.endsWith('/login')) {// eslint-disable-next-line no-async-promise-executorreturn new Promise(async (resolve) => {requestQueue.push({ config, resolve }) // accessToken失效后并发请求时，都会失败，把所有的config存起来，刷新完token再请求if (isRefreshing) {return}isRefreshing = trueawait refreshToken() // 使用refreshToken拿到新的有效的accessToken和refreshToken，存放到loalStorage中isRefreshing = falsefor (const { resolve, config } of requestQueue) {resolve(axios(config)) //这里请求失败拿到请求的config，才能重发请求}})}return Promise.reject(err)}
)const refreshToken = async () => {const { data } = await axios.get('http://localhost:3000/refreshToken', {params: {refresh_token: localStorage.getItem('refresh_token')}})if (data.accessToken && data.refreshToken) {localStorage.setItem('access_token', data.accessToken)localStorage.setItem('refresh_token', data.refreshToken)}
}const testData1 = ref()
const testData2 = ref()const query = async () => {axios.get('http://localhost:3000/test1').then((res) => {testData1.value = res.data})axios.get('http://localhost:3000/test2').then((res) => {testData2.value = res.data})
}const login = async () => {const { data } = await axios.get('http://localhost:3000/login')localStorage.setItem('access_token', data.accessToken)localStorage.setItem('refresh_token', data.refreshToken)
}
</script><template><button @click="login">登录</button><button @click="query()">请求</button><div><h1>{{ testData1 }}</h1><h1>{{ testData2 }}</h1></div>
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