vue2 el-table行悬停时弹出提示信息el-popover的实现

<el-table @cell-mouse-enter="enter" @cell-mouse-leave="leave" :data="[{rowIndex:100, title:'行一', status: 1},{rowIndex:200, title:'行二', status: 0}]">
  <el-table-column label="序号" width="100">
    <template slot-scope="scope">
      <el-popover trigger="manual" placement="right" :ref="'popover'+(scope.row.rowIndex)">
        <div>弹出popover提示内容</div>
        <div slot="reference">{{ scope.$index+1 }}</div>
      </el-popover>
    </template>
  </el-table-column>
  <el-table-column label="标题" prop="title"></el-table-column>
</el-table>

enter (row, column, cell) {
  this.$refs['popover' + row.rowIndex].showPopper = true
},
leave (row, column, cell) {
  this.$refs['popover' + row.rowIndex].showPopper = false
}

enter (row, column, cell) {
  //当status等于0时弹出提示框
  if(row.status===0) {
    this.$refs['popover' + row.rowIndex].showPopper = true
  }
},
leave (row, column, cell) {
  this.$refs['popover' + row.rowIndex].showPopper = false
}