vue把token添加到请求头中

main.js中

import Vue from 'vue'
import App from './App'
import router from './router'


import VueCookies from 'vue-cookies'    //设置cookie引入
Vue.use(VueCookies)

import Vant from 'vant';
import 'vant/lib/index.css';
import http from '../http';
Vue.prototype.$http = http;
Vue.use(Vant);

Vue.config.productionTip = false

/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  render: h => h(App)
})

index.js

import Vue from 'vue'
import VueRouter from 'vue-router'
import HelloWorld from '@/components/HelloWorld'
import Zhuce from '@/components/zhuce'   //注册
import login  from '@/components/login'   //登录
import userInfo  from '@/components/userInfo'   //个人中心

Vue.use(VueRouter)

const  routes = [
    {
      // path: '/',
      path: '/Zhuce',
      component: Zhuce
    },
    {
      path: '/login', 
      component:login
    },
    {
      path: '/userInfo', 
      component:userInfo,
      meta:{
        isToken:true
      }
    }
  ]
  const router =  new VueRouter({
    routes,
    mode:'history'
  })

  //设置路由导航拦截：
  router.beforeEach((to,from,next)=>{
    if(!localStorage.getItem('token') && !localStorage.getItem('id') && to.meta.isToken == true){
     router.push('/login')
     Vue.prototype.$toast.fail('请重新登录')
      return
    }
    next()
  })
  
export default router

http.js

import axios from 'axios'
import router from './src/router'
import Vue from 'vue'

const http = axios.create({
    baseURL: 'http://112.74.99.5:3000/web/api'
})
//请求拦截
http.interceptors.request.use(function (config) {
    console.log(config)
    if(localStorage.getItem('token') && localStorage.getItem('id')){
        config.headers.Authorization = 'Bearer ' + localStorage.getItem('token')
    }
    return config
}, function (error) {
    return Promise.reject(error)
});
//响应拦截
http.interceptors.response.use(function (response) {
    return response
}, function (error) {
    if(error.response.status == 401 || error.response.status == 402){
        router.push('/login')
        Vue.prototype.$toast.fail('请重新登录')
    }
    return Promise.reject(error)
});
export default http