element-plus/docs/examples/loading/basic.vue

<template>
  <el-table v-loading="loading" :data="tableData" style="width: 100%">
    <el-table-column prop="date" label="Date" width="180" />
    <el-table-column prop="name" label="Name" width="180" />
    <el-table-column prop="address" label="Address" />
  </el-table>
</template>

<script lang="ts">
import { defineComponent, reactive, toRefs } from 'vue'

export default defineComponent({
  setup() {
    const state = reactive({
      tableData: [
        {
          date: '2016-05-02',
          name: 'John Smith',
          address: 'No.1518,  Jinshajiang Road, Putuo District',
        },
        {
          date: '2016-05-04',
          name: 'John Smith',
          address: 'No.1518,  Jinshajiang Road, Putuo District',
        },
        {
          date: '2016-05-01',
          name: 'John Smith',
          address: 'No.1518,  Jinshajiang Road, Putuo District',
        },
      ],
      loading: true,
    })
    return toRefs(state)
  },
})
</script>

<style>
body {
  margin: 0;
}
</style>