vue3使用component作为切换页面

 

 

文档

https://cn.vuejs.org/guide/essentials/component-basics.html#defining-a-

 

 

<script setup>
import Home from './Home.vue'
import Posts from './Posts.vue'
import Archive from './Archive.vue'
import { ref } from 'vue'
 
const currentTab = ref('Home')

const tabs = {
  Home,
  Posts,
  Archive
}
</script>

<template>
  <div class="demo">
    <button
       v-for="(_, tab) in tabs"
       :key="tab"
       :class="['tab-button', { active: currentTab === tab }]"
       @click="currentTab = tab"
     >
      {{ tab }}
    </button>
      <component :is="tabs[currentTab]" class="tab"></component>
  </div>
</template>

<style>
.demo {
  font-family: sans-serif;
  border: 1px solid #eee;
  border-radius: 2px;
  padding: 20px 30px;
  margin-top: 1em;
  margin-bottom: 40px;
  user-select: none;
  overflow-x: auto;
}

.tab-button {
  padding: 6px 10px;
  border-top-left-radius: 3px;
  border-top-right-radius: 3px;
  border: 1px solid #ccc;
  cursor: pointer;
  background: #f0f0f0;
  margin-bottom: -1px;
  margin-right: -1px;
}
.tab-button:hover {
  background: #e0e0e0;
}
.tab-button.active {
  background: #e0e0e0;
}
.tab {
  border: 1px solid #ccc;
  padding: 10px;
}
</style>

 

运行地址：

https://play.vuejs.org/#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