在form表单中有图片显示的需求，利用scope属性实现
<el-table-column prop="shopImage" label="供应商封面" width="120">
<template slot-scope="scope">
<el-image style=" 100px; height: 100px" :src="scope.row.shopImage" fit="cover"></el-image>
</template>
</el-table-column>