<!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <meta name="viewport" content="width=device-width, initial-scale=1.0">    <meta http-equiv="X-UA-Compatible" content="ie=edge">    <title>Document</title>    <script src="./lib/vue.js"></script>    <script src="https://unpkg.com/vue-router/dist/vue-router.js"></script></head><body>    <div id="app">        <a href="#/login" >登陆</a>        <a href="#/register" >注册</a>        <router-view></router-view>        <!--router-link标签上面a标签效果一样  -->        <router-link to="/login" tag="span">登录</router-link>        <router-link to="/register">注册</router-link>    </div>    <script>        var register = {            template: "<div><h1> 注册页面</h1></div >"        }        var login = {            template: "<div><h1> 登录页面</h1></div >"        }        router = new VueRouter({            routes: [                // 请求的是根路径就重定向#/login登陆页面                { path: '/', redirect: "/login" },                { path: '/login', component: login },                { path: '/register', component: register }            ]            // routes // (缩写) 相当于 routes: routes        })        var vm = new Vue({            el: '#app',            data: {},            methods: {},            router: router        });    </script></body></html>
