效果：

插入单张选中放大：

<el-table-column  label="商品详情">
  <template slot-scope="scope">
    <el-popover placement="top-start" title="" trigger="hover">
      <img :src="scope.row.product.cover" alt="" style="width: 150px;height: 150px">
      <img slot="reference" :src="scope.row.product.cover" style="width: 30px;height: 30px">
    </el-popover>
    <span>{{scope.row.title}}</span>
  </template>
</el-table-column>

插入多张图片：

<el-table-column  label="面料图片">
  <template slot-scope="scope">
    <el-image v-for="(item, index) in scope.row.image_info" :key='index' style="width: 30px; height: 30px" :src="item.image" :preview-src-list="[item.image]"></el-image>
  </template>
</el-table-column>