支持多个根节点，且可以在JavaScript 中访问透传 Attributes

Index.vue:

<script setup>
import { ref, onMounted } from 'vue'
import Child from './Child.vue'
import './index.css'

const handleClick = () => {
  console.log(1)
}

onMounted(() => {})
</script>

<template>
  <div class="m-home-wrap">
    <Child id="m-btn" class="m-btn" @click="handleClick"></Child>
    <div class="m-home-demo"></div>
  </div>
</template>

<style></style>

Child.vue:

<template>
  <div>
    <button v-bind="$attrs">按钮</button>
  </div>
</template>

<script setup>
import { useAttrs, onMounted } from 'vue'
const attrs = useAttrs()
defineOptions({
  inheritAttrs: false,
})
onMounted(() => {
  console.log(attrs, attrs.id, attrs.class)
  attrs.onClick()
})
</script>

<style></style>

 

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