129 lines
3.6 KiB
HTML
129 lines
3.6 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<div id="app">
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<h1>Hello App!</h1>
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<p>
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<!-- 使用 router-link 组件来导航. -->
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<!-- 通过传入 `to` 属性指定链接. -->
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<!-- <router-link> 默认会被渲染成一个 `<a>` 标签 -->
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<router-link to="/home">首页</router-link>
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<router-link to="/about">关于我</router-link>
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</p>
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<!-- 路由出口 -->
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<!-- 路由匹配到的组件将渲染在这里 -->
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<div>
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<router-view></router-view>
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</div>
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</div>
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</body>
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<script src="https://unpkg.com/vue/dist/vue.js"></script>
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<script src="https://unpkg.com/vue-router/dist/vue-router.js"></script>
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<script>
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// 0. 如果使用模块化机制编程，导入Vue和VueRouter，要调用 Vue.use(VueRouter)
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// 1. 定义 (路由) 组件。
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// 可以从其他文件 import 进来
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const Home = {
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template: `<div>
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<ul>
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<li @click="enterInfo(item)" v-for="item in list">{{ item.title }}</li>
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</ul>
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</div>`,
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data() {
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return {
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list: [
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{ id: 1, title: '新闻1' },
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{ id: 2, title: '新闻2' },
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{ id: 3, title: '新闻3' },
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]
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}
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},
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methods: {
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enterInfo(item) {
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console.log(item);
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this.$router.push({
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name: 'info',
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query: {
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id: item.id
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}
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})
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}
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}
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}
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const About = { template: '<div>关于我</div>' }
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const Info = {
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template: `
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<div>详情页 {{ $route.query.id }}</div>
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` ,
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created() {
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console.log(this.$route.query);
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},
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beforeRouteLeave(to, from, next) {
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var isLeave = confirm("你确定离开吗？")
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if (isLeave) {
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next()
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}
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}
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}
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// 2. 定义路由
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// 每个路由应该映射一个组件。 其中"component" 可以是
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// 通过 Vue.extend() 创建的组件构造器，
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// 或者，只是一个组件配置对象。
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// 我们晚点再讨论嵌套路由。
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const routes = [
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{
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path: '/',
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redirect: '/home'
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},
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{
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path: '/home',
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component: Home
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},
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{
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path: '/about',
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component: About,
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beforeEnter: (to, from, next) => {
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console.log("别人正在打算访问about页面");
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next()
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}
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},
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{
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path: '/info',
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name: 'info',
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component: Info,
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},
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]
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// 3. 创建 router 实例，然后传 `routes` 配置
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// 你还可以传别的配置参数, 不过先这么简单着吧。
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const router = new VueRouter({
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routes // (缩写) 相当于 routes: routes
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})
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router.beforeEach((to, from, next) => {
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console.log("to: ", to);
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console.log("from: ", from);
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next()
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})
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// 4. 创建和挂载根实例。
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// 记得要通过 router 配置参数注入路由，
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// 从而让整个应用都有路由功能
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const app = new Vue({
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el: '#app',
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router
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})
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</script>
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</html> |