vxe-table-plugin-export-xlsx

npm install vxe-table@next vxe-table-plugin-export-xlsx@next exceljs

// ...
import VXETable from 'vxe-table'
import VXETablePluginExportXLSX from 'vxe-table-plugin-export-xlsx'
import ExcelJS from 'exceljs'
// ...

// 方式1：NPM 安装，注入 ExcelJS 对象
VXETable.use(VXETablePluginExportXLSX, {
  ExcelJS
})

// 方式2：CDN 安装，只要确保 window.ExcelJS 存在即可
// VXETable.use(VXETablePluginExportXLSX)

<vxe-toolbar>
  <template v-slot:buttons>
    <vxe-button @click="exportEvent">导出.xlsx</vxe-button>
  </template>
</vxe-toolbar>

<vxe-table
  ref="xTable"
  height="600"
  :data="tableData">
  <vxe-column type="seq" width="60"></vxe-column>
  <vxe-column field="name" title="Name"></vxe-column>
  <vxe-column field="age" title="Age"></vxe-column>
  <vxe-column field="date" title="Date"></vxe-column>
</vxe-table>

export default {
  data () {
    return {
      tableData: [
        { id: 100, name: 'test', age: 26, date: null },
        { id: 101, name: 'test1', age: 30, date: null },
        { id: 102, name: 'test2', age: 34, date: null }
      ]
    }
  },
  methods: {
    exportEvent() {
      this.$refs.xTable.exportData({
        filename: 'export',
        sheetName: 'Sheet1',
        type: 'xlsx'
      })
    }
  }
}