具体代码如下：
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<html lang="en">
<head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><script src="https://cdn.jsdelivr.net/npm/xlsx/dist/xlsx.full.min.js"></script><script src="https://cdn.bootcss.com/FileSaver.js/2014-11-29/FileSaver.js"></script><script src="https://code.jquery.com/jquery-3.2.1.min.js"></script><title>下载Excel</title>
</head>
<body><button onclick="downloadfile()">下载Excel</button><script>function downloadfile() {var workbook = XLSX.utils.book_new(); //这段代码创建了一个名为的Workbook对象。console.log(workbook)var ws = XLSX.utils.json_to_sheet([]); //创建一个工作表对象var ws1 = XLSX.utils.json_to_sheet([]); //创建一个工作表对象XLSX.utils.book_append_sheet(workbook,ws,"ph数据"); //将工作表添加到workbook对象中XLSX.utils.book_append_sheet(workbook,ws1,"test"); //将工作表添加到workbook对象中workbook.creator = 'test123' //创建者workbook.created = new Date() //创建时间var data = [{"bz":"","cqqk":"/","date":"2023-01-04","djperson":"zs","id":1,"name":"2#","ph":5.8},{"bz":"","cqqk":"/","date":"2023-01-04","djperson":"zs","id":2,"name":"3#","ph":5.06}]var jsonDataWithHeaders = [{ "header1": "value1", "header2": "value2" },{ "header1": "value3", "header2": "value4" }];var datas = []for(var i = 0;i < data.length; i++){var p = {"id":data[i].id,"date":data[i].date,"name":data[i].name,"ph":data[i].ph,"cqqk":data[i].cqqk,"djperson":data[i].djperson,"bz":data[i].bz}datas.push(p)}////将数据添加到工作表XLSX.utils.sheet_add_json(ws,datas,{skipHeader:false,origin:"A1"})XLSX.utils.sheet_add_json(ws1,jsonDataWithHeaders,{skipHeader:true,origin:"A2"})var date = new Date();var isoString = '导出数据'+ date.toISOString().slice(0,10);// console.log(p);// const date = new Date();// // 获取年份// const year = date.getFullYear().toString(); // // 获取月份，月份从0开始，需要加1// const month = (date.getMonth() + 1).toString(); // // 获取日期// const day = date.getDate().toString();// 获取小时const hours = date.getHours().toString().padStart(2, '0');// 获取分钟padStart(2, '0')在前面补0const minutes = date.getMinutes().toString().padStart(2, '0');// 获取秒数const seconds = date.getSeconds().toString().padStart(2, '0');var sfm = hours+':'+minutes+':'+secondsvar names = isoString+' '+sfm+'.xlsx'console.log(names);//导出Excel文件XLSX.writeFile(workbook,names)}</script>
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</html>这个建了一个Excel表，两个sheet，分别存放了一定的数据，最后进行下载下来，其中skipHeader:false,origin:"A1"代表不省略表头，表头默认是字典中的keys，从A1行开始：
