el-tabel导出excel表格

1、安装插件

npm install file-saver --save
npm install xlsx --save

2、引入插件

import FileSaver from "file-saver";
import * as XLSX from 'xlsx';

3、在tabel中添加ref属性和导出方法

4、添加方法

    exportExcel (excelName) {try {const $e = this.$refs['report-table'].$ellet $table = $e.querySelector('.el-table__fixed')if (!$table) {$table = $e}const wb = XLSX.utils.table_to_book($table, { raw: true })const wbout = XLSX.write(wb, { bookType: 'xlsx', bookSST: true, type: 'array' })FileSaver.saveAs(new Blob([wbout], { type: 'application/octet-stream' }),`${excelName}.xlsx`,)} catch (e) {if (typeof console !== 'undefined') console.error(e)}}