ElementPlus-Table表格-单选--TypeScript进阶篇

        今天看个例子，这个例子是ElementPlus的组件Table表格下面的单选

<template>
  <el-table
    ref="singleTableRef"
    :data="tableData"
    highlight-current-row
    style="width: 100%"
    @current-change="handleCurrentChange"
  >
    <el-table-column type="index" width="50" />
    <el-table-column property="date" label="Date" width="120" />
    <el-table-column property="name" label="Name" width="120" />
    <el-table-column property="address" label="Address" />
  </el-table>
  <div style="margin-top: 20px">
    <el-button @click="setCurrent(tableData[1])">Select second row</el-button>
    <el-button @click="setCurrent()"&