关于javascript:js-jsonexcel

import * as XLSX from 'xlsx';    const sheetData = [      {'年龄':112,'姓名':'张三'},      {'年龄':212,'姓名':'张四'}    ]    const ws: XLSX.WorkSheet = XLSX.utils.json_to_sheet(sheetData);    const wb: XLSX.WorkBook = XLSX.utils.book_new();    const timestamp = (new Date()).getTime();    XLSX.utils.book_append_sheet(wb, ws, 'Sheet1');   // XLSX.writeFile(wb, 'dataList.xlsx');    XLSX.writeFile(wb,"dataList"+timestamp+".xlsx");