150 lines
3.3 KiB
HTML
150 lines
3.3 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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<title>Title</title>
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<script src="https://cdn.jsdelivr.net/npm/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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<style>
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.router-link-active {
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color: red;
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}
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</style>
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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="/foo/1">Go to Foo</router-link>-->
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<router-link :to="{ name: 'a', param s: { id: 2 } }">Go to Foo</router-link>
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<router-link to="/bar?id=3&name=张三">Go to Bar</router-link>
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<router-link to="/me">登录</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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<router-view></router-view>
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<p>
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</p>
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</div>
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</body>
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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 Foo = { template: `<div>{{$route.params.id}}</div>` }
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const Bar = { template: `<div>
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<h2>{{ $route.query.name }}</h2>
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<router-link :to="{ name: 'three' }">fwefwefew</router-link>
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bar
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<router-view></router-view>
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</div>`
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};
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const Me = {
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template: `
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<input placeholder="登录"/>
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`
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}
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const Three = {
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data() {
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return {
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list: '22222'
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}
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},
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methods: {
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goito() {
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this.$router.push({ path: '/foo/4444' })
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}
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},
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template: `
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<div><h2>{{list}}</h2> <button @click="goito">点我跳转</button></div>
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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: '/foo/:id',
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component: Foo,
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name: 'a',
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meta: {
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title: 'fop页面'
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}
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},
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{
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path: '/me',
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component: Me,
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name: 'me',
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meta: {
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title: 'me页面'
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}
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},
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{
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path: '/bar',
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component: Bar,
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meta: {
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title: 'bar页面'
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},
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children: [
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{
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path: 'bars',
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component: Three,
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name: 'three'
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}
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]
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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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document.title = to.meta.title
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console.log(to)
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if (to.path === "/me") {
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if (localStorage.getItem("loginStatus") == null) {
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next({
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path: '/foo/22'
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})
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} else {
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next()
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}
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} else {
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next()
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}
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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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router
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}).$mount('#app')
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</script>
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</html> |