需求：el-table-column有一列展示多个tag信息，实现点击tag展示tag信息以及tag对应的详细信息

table的数据格式

data:[{...,isPopoverVisible:false,},{...,isPopoverVisible:false,},...
]

写法：

<el-table-column label="配置信息" prop="listName"><template slot-scope="scope"><el-popoverplacement="bottom"title="配置信息以及对应详情"trigger="manual"v-model="scope.row.isPopoverVisible"><el-cascader-panel :options="scope.row.CopyList"></el-cascader-panel><template slot="reference"><div @click="scope.row.isPopoverVisible = !scope.row.isPopoverVisible" style="cursor: pointer;"><div style="display: inline-block;white-space: nowrap; overflow: hidden;text-overflow: ellipsis;width: 200px;"><el-tag type="info" style="margin-right: 5px;" v-for="item in scope.row.tableList" :key="item.index">{{ item.dbName }}</el-tag></div></div></template></el-popover></template>
</el-table-column>

实现了鼠标控制悬浮数据的显隐