下载
npm i / yarn add file-saver、xlsx库
引入
import FileSaver from “file-saver”;
import XLSX from “xlsx”;

const simexport = (data) => {// if (data.create_time && data.create_time.length > 0) {//   data.start_time = parseTime(data.create_time[0], "{y}-{m}-{d} ");//   data.end_time = parseTime(data.create_time[1], "{y}-{m}-{d} ");// }//da.tableData时表格数据//fileName 导出文件名；idName 导出table的id；xlsxParam 导出配置if (da.tableData.length == 0) {ElMessage.error("暂无数据");return;}let xlsxParam = { raw: true }; // 导出的内容只做解析，不进行格式转换let wb = XLSX.utils.table_to_book(document.querySelector("#exportTab"),xlsxParam);let wbout = XLSX.write(wb, {bookType: "xlsx",bookSST: true,type: "array",});try {FileSaver.saveAs(new Blob([wbout], { type: "application/octet-stream" }),`${"小程序"}.xlsx`);} catch (e) {if (typeof console !== "undefined") {console.log(e, wbout);}}return wbout;
};

效果