在vue3做tabs切换功能的时候，如果导入的组件不适用shallowRef包裹会显示下面的警告：
Home.vue?t=1708401434509:43 [Vue warn]: Vue received a Component that was made a reactive object. This can lead to unnecessary performance overhead and should be avoided by marking the component with `markRaw` or using `shallowRef` instead of `ref`.
Component that was made reactive: {__hmrId: '2afd162d', __file: 'D:/v3code/my-big-charts/src/components/Comp7.vue', render: ƒ}
at <Home onVnodeUnmounted=fn<onVnodeUnmounted> ref=Ref< Proxy(Object) {__v_skip: true} > >
at <RouterView>
at <App>根据提示代码修改如下：文章来源：https://www.toymoban.com/news/detail-835217.html
<script setup>
import {ref,reactive,readonly,computed,watch,watchEffect,markRaw,shallowRef} from 'vue'
import Comp7 from '../components/Comp7.vue'
import Comp6 from '../components/Comp6.vue'
const activeComp = shallowRef(Comp6)
const tab = reactive([{
name: "A组件",
comName: shallowRef(Comp6)
}, {
name: "B组件",
comName: shallowRef(Comp7
}])
const change = index=>{
activeComp.value = tab[index].comName
}
</script>
<template>
<ul>
<li v-for="(item,index) in tab" :key="item.name" @click="change(index)">{{ item.name }}</li>
</ul>
<div>
<component :is="activeComp"></component>
</div>
</template>就能解决上面的问题。文章来源地址https://www.toymoban.com/news/detail-835217.html
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