

下载xlsx-style
npm install xlsx-style
xlsx-style核心模块 在 你安装路径\node_modules\xlsx-style\dist
2.示例代码
复制出 文件xlsx.full.min.js
编写示例代码:
<!DOCTYPE html><html><head>
 <meta charset="UTF-8">
 <title>示例</title></head><body>
 <script src="./xlsx.full.min.js"></script>
 <script>
 function saveAs(obj, fileName) { var tmpa = document.createElement("a");
 tmpa.download = fileName || "下载";
 tmpa.href = URL.createObjectURL(obj);
 tmpa.click();
 setTimeout(function () {
 URL.revokeObjectURL(obj);
 }, 100);
 } var jsono = [{ "id": 1, "合并的列头1": "数据11", "合并的列头2": "数据12", "合并的列头3": "数据13", "合并的列头4": "数据14",
 }, { "id": 2, "合并的列头1": "数据21", "合并的列头2": "数据22", "合并的列头3": "数据23", "合并的列头4": "数据24",
 }]; const wopts = { bookType: 'xlsx', bookSST: true, type: 'binary', cellStyles: true }; function downloadExl(json, type) { var tmpdata = json[0];
 json.unshift({}); var keyMap = []; //获取keys
 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
 }); var outputPos = Object.keys(tmpdata); //设置区域,比如表格从A1到D10
 tmpdata["B1"].s = { font: { sz: 14, bold: true, color: { rgb: "FFFFAA00" } }, fill: { bgColor: { indexed: 64 }, fgColor: { rgb: "FFFF00" } } };//<====设置xlsx单元格样式
 tmpdata["!merges"] = [{ s: { c: 1, r: 0 }, e: { c: 4, r: 0 }
 }];//<====合并单元格 
 var tmpWB = { SheetNames: ['mySheet'], //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
 })
 }
 };
 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: ""
 });
 saveAs(tmpDown, "这里是下载的文件名" + '.' + (wopts.bookType == "biff2" ? "xls" : wopts.bookType));
 } 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
 } function s2ab(s) { if (typeof ArrayBuffer !== 'undefined') { 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;
 } else { var buf = new Array(s.length); for (var i = 0; i != s.length; ++i) buf[i] = s.charCodeAt(i) & 0xFF; return buf;
 }
 } </script>
 <button onclick="downloadExl(jsono)">导出</button></body></html>相信看了本文案例你已经掌握了方法,更多精彩请关注Gxl网其它相关文章!
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