表格是二维数组,在点击单元格弹框发生重叠
解决:利用二维数据行列不一样,给每个单元格绑定不同的标识
<el-button v-show="index != 0 && index2 != 0" slot="reference"
v-popover="`${
index}refpopover${
index2}`">
<el-popover popper-class="top_popover"placement="top" trigger="hover"
:ref="index + 'refpopover' + index2">
</el-popover>