1 npm install --save xlsx 2 npm install --save xlsx-style //如果需要修改样式,则需要安装
1.解决引入xlsx-style报错问题
2.找到:node_modules\xlsx-style\dist\xlsx.full.min.js 并把这个js文件拷贝到static文件夹下
3.再index.html中引入 <script src="static/xlsx.full.min.js"></script>
新建downExcel.js文件 import XLSX from "xlsx" // 配置 const wopts = { bookType: "xlsx", bookSST: true, type: "binary", cellStyles: true }; function downloadExl(json, config, 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 let border = { bottom: { style: "thin", color: { rgb: "000000" } }, top: { style: "thin", color: { rgb: "000000" } }, left: { style: "thin", color: { rgb: "000000" } }, right: { style: "thin", color: { rgb: "000000" } } }; let style0 = { border: border, alignment: { horizontal: "center", wrapText: true, vertical: "center" }, font: { sz: 18, bold: true, color: { rgb: "000000" }, outline: true }, fill: { bgColor: { indexed: 64 } } }; let style1 = { border: border, alignment: { horizontal: "center", wrapText: true, vertical: "center" }, font: { sz: 12, bold: true, color: { rgb: "000000" }, outline: true }, fill: { bgColor: { indexed: 64 } } }; 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) => { // 在遍历时修改样式 let s = { font: { sz: 10, name: "微软雅黑" }, alignment: { horizontal: "center", wrapText: true, vertical: "center" } }; // 判断是否是标题 if (config._this.title.includes(v.v) && v.position.length == 2 && v.position[1] == "1") { s.fill = { fgColor: { rgb: "008000" } }; s.border = { right: { style: "thin", color: { rgb: "000000" } } }; // 判断是否是需要红色字体的标题字段 if (config._this.redTitle.includes(v.v)) { s.font.color = { rgb: "ff0000" }; } } tmpdata[v.position] = { v: v.v || "", s }; }); var outputPos = Object.keys(tmpdata); //设置区域,比如表格从A1到D10 //设置每列对应的宽度 tmpdata["!margins"] = [{ //工作表单元格合并配置项 可选 s: { //s start 开始 c: 0, //cols 开始列 r: 0 //rows 开始行 }, //开始 A1 e: { //e end 结束 c: 4, //cols 结束列 r: 0 //rows 结束行 } }, { s: { c: 0, r: 1 }, //开始 A2 e: { c: 1, r: 1 } //结束B2 }, { s: { c: 2, r: 1 }, //开始 C2 e: { c: 3, r: 1 } //结束D2 }, ] // !cols工作表列宽配置项 可选 tmpdata["!cols"] = config.colwidth; // 第一二行样式 tmpdata["A1"].s = style0; tmpdata["A2"].s = style1; tmpdata["C2"].s = style0; var tmpWB = { SheetNames: ["mySheet"], //工作表名数组 Sheets: { mySheet: Object.assign({}, tmpdata, //!ref设置工作表的范围 如 必须 否则不显示 { "!ref": outputPos[0] + ":" + outputPos[outputPos.length - 1] //设置填充区域 } ) } }; const 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: "" } ); // 数据处理完后传入下载 saveAs( tmpDown, config._this.fileName + "." + (wopts.bookType == "biff2" ? "xls" : wopts.bookType) ); } // 获取26个英文字母用来表示excel的列 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; } } // 下载功能 function saveAs(obj, fileName) { var tmpa = document.createElement("a"); tmpa.download = fileName || "未命名"; // 兼容ie 火狐 下载文件 if ("msSaveOrOpenBlob" in navigator) { window.navigator.msSaveOrOpenBlob(obj, fileName); } else if (window.navigator.userAgent.includes("Firefox")) { var a = document.createElement("a"); a.href = URL.createObjectURL(obj); a.download = fileName; document.body.appendChild(a); a.click(); } else { tmpa.href = URL.createObjectURL(obj); } tmpa.click(); setTimeout(function () { URL.revokeObjectURL(obj); }, 100); } export default downloadExl;
使用:import downloadfn from "@/config/downExcel
data(){
return{
fileName:"testExcel",
xmindJSON: [
{
Code: 1,
Name: "里斯",
GBPerfix: "ABC-F",
stop: "测试"
},
{
Code: 2,
Name: "里斯1",
GBPerfix: "ABC-B",
stop: "测试1"
},
{
Code: 3,
Name: "里斯2",
GBPerfix: "ABC-D",
stop: "测试1"
}
],
config: {
colwidth: [
{ wpx: 169 },
{ wpx: 63 },
{ wpx: 203 },
{ wpx: 128 },
],
_this: this
},
title: ["功能模块与路径", "用例编号", "前置条件"]
}
}
methods:{
export() {
downloadfn(this.xmindJSON, this.config);
}
}