vue3 预览excel文件

 <el-dialog
		v-model="viewDialog"
		title="预览文件"
		custom-class="dialogCommution"
		width="750px"
		:close-on-click-modal="false"
   		@close="handleClose"
	>

    <div class="file-pre">
      <el-tabs v-model="activeName"  type="border-card">
        <el-tab-pane v-for="(item,index) in excelSheet" :key="index" :label="item.name" :name="item.name">
            <div class="table" v-html="item.innerHTML">div>
        el-tab-pane&g