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发布于2025-04-15 阅读(0)
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问题:为什么vue3需要对引入的组件使用markRow?
<template>
<div>
<component :is="A"></component>
</div>
</template>
<script>
import A from './A';
export default {
name: 'Home',
data() {
return {}
},
components: { A },
}<template>
<ul>
<li
v-for='(item,index) in tabList'
:key='index'
@click='change(index)'
>
{{ item.name }}
</li>
</ul>
<keep-alive>
<component :is="currentComponent"></component>
</keep-alive>
</template>
<script setup>
import A from '../components/A.vue'
import B from '../components/B.vue'
import C from '../components/C.vue'
let tabList = reactive([
{name:'组件A',com:markRaw(A)},
{name:'组件B',com:markRaw(B)},
{name:'组件C',com:markRaw(C)}
]);
let currentComponent = reactive({
com:tabList[0]
});
const change = ( idx )=>{
currentComponent = tabList[idx].com;
}
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