<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <script src="http://oss.sheetjs.com/js-xlsx/xlsx.full.min.js"></script> </head> <body> <button id="button">导出Excel</button> <script> var json = [ { //测试数据 "保质期临期预警(天)": "adventLifecycle", "商品标题": "title", "建议零售价": "defaultPrice", "高(cm)": "height", "商品描述": "Description", "保质期禁售(天)": "lockupLifecycle", "商品名称": "skuName", "商品简介": "brief", "宽(cm)": "width", "阿达": "asdz", "货号": "goodsNo", "商品条码": "skuNo", "商品品牌": "brand", "净容积(cm^3)": "netVolume", "是否保质期管理": "isShelfLifeMgmt", "是否串号管理": "isSNMgmt", "商品颜色": "color", "尺码": "size", "是否批次管理": "isBatchMgmt", "商品编号": "skuCode", "商品简称": "shortName", "毛重(g)": "grossWeight", "长(cm)": "length", "英文名称": "englishName", "净重(g)": "netWeight", "商品分类": "categoryId", "这里超过了": 1111.0, "保质期(天)": "expDate" } ,{ //测试数据 "保质期临期预警(天)": "adventLifecycle22", "商品标题": "title22", "建议零售价": "defaultPrice2", "高(cm)": "height2", "商品描述": "Description2", "保质期禁售(天)": "lockupLifecycle2", "商品名称": "skuName2", "商品简介": "brief2", "宽(cm)": "width2", "阿达": "asdz2", "货号": "goodsNo2", "商品条码": "skuNo2", "商品品牌": "brand2", "净容积(cm^3)": "netVolume2", "是否保质期管理": "isShelfLifeMgmt2", "是否串号管理": "isSNMgmt2", "商品颜色": "color2", "尺码": "size2", "是否批次管理": "isBatchMgmt2", "商品编号": "skuCode2", "商品简称": "shortName2", "毛重(g)": "grossWeight2", "长(cm)": "length2", "英文名称": "englishName2", "净重(g)": "netWeight2", "商品分类": "categoryId2", "这里超过了": "1111.02", "保质期(天)": "expDate2" }]; document.getElementById("button").onclick = function(){ downloadExl(json, 'xlsx') } var tmpDown; //导出的二进制对象 function downloadExl(json, type) { var json = JSON.parse(JSON.stringify(json)); var tmpdata = json[0]; json.unshift({}); var keyMap = []; //获取keys //keyMap =Object.keys(json[0]); for (var k in tmpdata) { keyMap.push(k); json[0][k] = k; } var tmpdata = [];//用来保存转换好的json json.map((v, i) => keyMap.map((k, j) => Object.assign({}, { v: v[k], position: (j > 25 ? getCharCol(j) : String.fromCharCode(65 + j)) + (i + 1) }))).reduce((prev, next) => prev.concat(next)).forEach((v, i) => tmpdata[v.position] = { v: v.v }); console.log(json); console.log(tmpdata); var outputPos = Object.keys(tmpdata); //设置区域,比如表格从A1到D10 var tmpWB = { SheetNames: ['mySheet','my'], //保存的表标题 Sheets: { 'mySheet': Object.assign({}, tmpdata, //内容 { '!ref': outputPos[0] + ':' + outputPos[outputPos.length - 1] //设置填充区域 }), 'my': Object.assign({}, tmpdata, //内容 { '!ref': outputPos[0] + ':' + outputPos[outputPos.length - 1] //设置填充区域 }), } }; console.log(tmpWB,'twb') tmpDown = new Blob([s2ab(XLSX.write(tmpWB, {bookType: (type == undefined ? 'xlsx':type),bookSST: false, type: 'binary'}//这里的数据是用来定义导出的格式类型 ))], { type: "" }); //创建二进制对象写入转换好的字节流 var href = URL.createObjectURL(tmpDown); //创建对象超链接 //模拟点击下载 var aDownLoad = document.createElement("a"); aDownLoad.href = href; aDownLoad.download = 'href.xlsx'; aDownLoad.click(); setTimeout(function() { URL.revokeObjectURL(tmpDown); //用URL.revokeObjectURL()来释放这个object URL }, 100); } function s2ab(s) { //字符串转字符流 var buf = new ArrayBuffer(s.length); var view = new Uint8Array(buf); for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF; return buf; } // 将指定的自然数转换为26进制表示。映射关系：[0-25] -> [A-Z]。 function getCharCol(n) { let temCol = '', s = '', m = 0 while (n > 0) { m = n % 26 + 1 s = String.fromCharCode(m + 64) + s n = (n - m) / 26 } return s } </script> </body> </html>