Web1020/12_vuecli/myapp/src/router/index.js

import Vue from 'vue'
import VueRouter from 'vue-router'
import HomeView from '../views/HomeView.vue'

Vue.use(VueRouter)

const routes = [
  {
    path: '/',
    name: 'home',
    component: HomeView
  },
  {
    path: '/about',
    name: 'about',
    // route level code-splitting
    // this generates a separate chunk (about.[hash].js) for this route
    // which is lazy-loaded when the route is visited.
    component: () => import(/* webpackChunkName: "about" */ '../views/AboutView.vue')
  },
  {
    // path 代表路由的路径 会显示在地址栏中
    path:"/mypage",
    // name 代表路由的名称 
    name:"mypage",
    // component 代表路由的组件 当前要显示的页面
    component:() => import("../views/MyPage.vue"),
    // alias 别名
    alias:'/my',
    // children 代表子路由
    children:[
      {
        path:'/mypage/childone',
        name:'childone',
        component:() => import("../views/ChildOne.vue")
      },
      {
        path:'/mypage/childtwo',
        name:"childtwo",
        component:() => import("../views/ChildTwo.vue")
      },
      {
        path:'/mypage/childthree/:username/:age',
        name:'childthree',
        component:() => import("../views/ChildThree.vue")
      }
    ]
  },{
    path:'/backhome',
    redirect:'/'
  },{
    path:"/gochildthree/:username/:age",
    redirect:"/mypage/childthree/:username/:age"
  }
]

const router = new VueRouter({
  routes
})

export default router