vue-router菜鳥進階!(巢狀路由VS命名路由)
阿新 • • 發佈:2019-02-16
巢狀路由
一個被渲染元件可以包含自己的巢狀< router-view >。
要在巢狀的出口中渲染元件,需要在VueRouter的引數中使用children配置:
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script src="https://unpkg.com/vue-router/dist/vue-router.js"></script>
<div id="app">
<p>
<router-link to="/user/foo"> /user/foo</router-link>
<router-link to="/user/foo/profile">/user/foo/profile</router-link>
<router-link to="/user/foo/posts">/user/foo/posts</router-link>
</p>
<router-view></router-view>
</div>
const User = {
template: `
<div class="user">
<h2>User {{ $route.params .id }}</h2>
<router-view></router-view>
</div>
`
}
const UserHome = { template: '<div>Home</div>' }
const UserProfile = { template: '<div>Profile</div>' }
const UserPosts = { template: '<div>Posts</div>' }
const router = new VueRouter({
routes: [
{ path: '/user/:id' , component: User,
children: [
// UserHome will be rendered inside User's <router-view>
// when /user/:id is matched
{ path: '', component: UserHome },
// UserProfile will be rendered inside User's <router-view>
// when /user/:id/profile is matched
{ path: 'profile', component: UserProfile },
// UserPosts will be rendered inside User's <router-view>
// when /user/:id/posts is matched
{ path: 'posts', component: UserPosts }
]
}
]
})
const app = new Vue({ router }).$mount('#app')
要注意,以 / 開頭的巢狀路徑會被當作根路徑。 這讓你充分的使用巢狀元件而無須設定巢狀的路徑。
命名路由
有時候,通過一個名稱來標識一個路由顯得更方便一些,特別是在連結一個路由,或者是執行一些跳轉的時候。可以在建立Router例項的時候,在routes配置中給某個路由設定名稱。
const router = new VueRouter({
routes: [
{
path: '/user/:user:id',
name: 'user',
component: User
}
]
})
要連結到一個命名路由,可以給router-link的to屬性傳一個物件:
<router-link :to="{ name: 'user', params: { userId: 123 }}">User</router-link>
跟程式碼呼叫 router.push()是一回事:
router.push({ name: 'user', params: { userId: 123 }})
這兩種方式都會把路由導航到/user/123路徑。
For example:
import Vue from 'vue'
import VueRouter from 'vue-router'
Vue.use(VueRouter)
const Home = { template: '<div>This is Home</div>' }
const Foo = { template: '<div>This is Foo</div>' }
const Bar = { template: '<div>This is Bar {{ $route.params.id }}</div>' }
const router = new VueRouter({
mode: 'history',
base: __dirname,
routes: [
{ path: '/', name: 'home', component: Home },
{ path: '/foo', name: 'foo', component: Foo },
{ path: '/bar', name: 'bar', component: Bar }
]
})
new Vue({
router,
template: `
<div id="app">
<h1>Named Routes</h1>
<p>Current route name: {{ route.name }}</p>
<ul>
<li><router-link :to="{ name: 'home' }">Home</router-link></li>
<li><router-link :to="{ name: 'foo' }">foo</router-link></li>
<li><router-link :to="{ name: 'bar', params: { id: 123 }}">bar</router-link></li>
</ul>
<router-view class="view"></router-view>
</div>
`
}).$.mount('#app')