vue授权页面登陆之后返回之前的页面

import Vue from 'vue'
import Router from 'vue-router'
Vue.use(Router)
import home from "@/pages/home"
import mine from "@/pages/mine"
import login from '@/pages/login'
import register from '@/pages/register'

const router = new Router({
mode: 'history',
routes: [{
path: '/',
name: 'home',
component: home,
meta:{
homePages:true
}
},
{
path:'/home',
component:home,
meta:{
homePages:true
}
},
{
path:"/mine",
name:"mime",
component:mine,
meta:{
requiresAuth:false
}
},
{
path: '/login',
name: 'login',
component: login,
meta:{
requiresAuth:true
}
},
{
path: '/register',
name: 'register',
component: register,
meta:{
requiresAuth:true
}
},
]
});

router.beforeEach((to, from ,next) => {
const token = localStorage.getItem("token")
if(to.matched.some(record => record.meta.requireAuth || record.meta.homePages)){
//路由元信息requireAuth:true，或者homePages:true，则不做登录校验
next()
}else{
if(token){//判断用户是否登录
if(Object.keys(from.query).length === 0){//判断路由来源是否有query，处理不是目的跳转的情况
next()
}else{
let redirect = from.query.redirect//如果来源路由有query
if(to.path === redirect){//这行是解决next无限循环的问题
next()
}else{
next({path:redirect})//跳转到目的路由
}
}
}else{
if(to.path==="/login"){
next()
}else{
next({
path:"/login",
query: {redirect: to.fullPath}//将目的路由地址存入login的query中
})
}
}
}
return
})
export default router;