element-plus/docs/examples/table/sort.vue

<template>
  <el-table
    :data="tableData"
    :default-sort="{ prop: 'date', order: 'descending' }"
    style="width: 100%"
  >
    <el-table-column prop="date" label="Date" sortable width="180" />
    <el-table-column prop="name" label="Name" width="180" />
    <el-table-column prop="address" label="Address" :formatter="formatter" />
  </el-table>
</template>

<script lang="ts" setup>
import type { TableColumnCtx } from 'element-plus'

interface User {
  date: string
  name: string
  address: string
}

const formatter = (row: User, column: TableColumnCtx<User>) => {
  return row.address
}

const tableData: User[] = [
  {
    date: '2016-05-03',
    name: 'Tom',
    address: 'No. 189, Grove St, Los Angeles',
  },
  {
    date: '2016-05-02',
    name: 'Tom',
    address: 'No. 189, Grove St, Los Angeles',
  },
  {
    date: '2016-05-04',
    name: 'Tom',
    address: 'No. 189, Grove St, Los Angeles',
  },
  {
    date: '2016-05-01',
    name: 'Tom',
    address: 'No. 189, Grove St, Los Angeles',
  },
]
</script>