命名視圖

同時(shí) (同級(jí)) 展示多個(gè)視圖，而不是嵌套展示，例如創(chuàng)建一個(gè)布局，有 sidebar (側(cè)導(dǎo)航) 和 main (主內(nèi)容) 兩個(gè)視圖，這個(gè)時(shí)候命名視圖就派上用場了。

可以在界面中擁有多個(gè)單獨(dú)命名的視圖，而不是只有一個(gè)單獨(dú)的出口。

如果 router-view 沒有設(shè)置名字，那么默認(rèn)為 default。一個(gè)視圖使用一個(gè)組件渲染，因此對于同個(gè)路由，多個(gè)視圖就需要多個(gè)組件。

First.vue

<template>
  <h1>First Seciton</h1>
</template>

Second.vue

<template>
  <h1>Second Seciton</h1>
</template>

Third.vue

<template>
  <h1>Third Seciton</h1>
</template>

index.ts

import { createRouter, createWebHistory } from 'vue-router'
import First from '../components/First.vue'
import Second from '../components/Second.vue'
import Third from '../components/Third.vue'

export const router = createRouter({
  history: createWebHistory(),
  routes: [
    {
      path: '/',
      components: {
        default: First,
        a: Second,
        b: Third,
      },
    },
    {
      path: '/other',
      components: {
        default: Third,
        a: Second,
        b: First,
      },
    },
  ],
})

App.vue

<template>
  <h1>Named Views</h1>
  <ul>
    <li>
      <router-link to="/">First page</router-link>
    </li>
    <li>
      <router-link to="/other">Second page</router-link>
    </li>
  </ul>
  <router-view></router-view>
  <router-view name="a"></router-view>
  <router-view name="b"></router-view>
</template>

<script setup lang="ts">

</script>

<style scoped></style>

嵌套命名視圖

First.vue

<template>
  <h1>First Seciton</h1>
</template>

Second.vue，Third.vue代碼同理

UserSettings.vue

<template>
  <h1>UserSettings</h1>
  <router-link to="/settings/children1">children1</router-link>
  <br />
  <router-link to="/settings/children2">children2</router-link>
  <br>
  <button @click="toBackPage">返回</button>
  <hr>
  <router-view></router-view>
  <router-view name="a"></router-view>
  <router-view name="b"></router-view>
</template> 

<script setup lang="ts">
import { useRouter } from 'vue-router';
const router = useRouter();
const toBackPage = () => {
  router.go(-1);
}
</script>

<style scoped></style>

index.ts

import { createRouter, createWebHistory } from 'vue-router'
import First from '../components/First.vue'
import Second from '../components/Second.vue'
import Third from '../components/Third.vue'
import UserSettings from '../components/UserSettings.vue'

export const router = createRouter({
  history: createWebHistory(),
  routes: [
    {
      path: '/settings',
      component: UserSettings,
      children: [
        {
          path: 'children1',
          components: {
            default: First,
            a: Second,
            b: Third,
          },
        },
        {
          path: 'children2',
          components: {
            default: Third,
            a: Second,
            b: First,
          },
        },
      ]
    },

  ],
})

App.vue

<template>
  <h1>Nested Named Views</h1>
  <hr>
  <router-view></router-view>
  <hr>
</template>

<script setup lang="ts">

</script>

<style scoped></style>

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