elemntui表格显示图片，且可以放大

<el-table-column
   prop="url"
   header-align="center"
   align="center"
   label="图片">
    <template slot-scope="scope">
       <el-popover placement="top-start" title="" trigger="hover">
          <img style="width: 100px; height: 100px" :src="scope.row.url" alt="" slot="reference">
          <img style="width: 200px; height: 200px" :src="scope.row.url" alt="">
       </el-popover>
    </template>
</el-table-column>