先上效果图
使用的插件是xlsx和xlsx-style
npm install xlsx-style --save
npm install xlsx --save
官方文档:xlsx-style
在需要的组件中引入
直接import ‘xlsx-style’ 不起作用，不知道什么原因，
在node-modules中找到xlsx-style中的dist目录中的xlsx.full.min.js粘贴到static里，在index.html引入，具体代码如下（完整的vue组件）
<template><div class="invoice"><div class="excel"><h2>开发票申请单 V2.0</h2><table border="1" cellpadding="0" cellspacing="0"><tr style="height: 40px"><td style="width: 220px;font-weight: 900" colspan="2">所属事业部名称:</td><td style="width: 220px" colspan="2">{{invoce_data.business_name}}</td><td style="width: 100px;font-weight: 900">部门编号:</td><td style="width: 210px" colspan="2">100002</td><td style="width: 210px;font-weight: 900">客户经理:</td><td style="width: 210px" colspan="2">{{invoce_data.manager_name}}</td></tr><tr style="background: #00BFFF;font-weight: 900"><td style="width: 50px">序号</td><td>发票抬头(客户公司)</td><td>开票内容</td><td>发票金额</td><td>对应工作量月份</td><td>预计回款时间</td><td>对应项目名称</td><td>发票类型</td><td>税率</td><td>备注</td></tr><tr style="height: 40px"><td style="width: 50px">1</td><td>{{invoce_data.invoice_rise}}</td><td>{{invoce_data.content}}</td><td></td><td>{{invoce_data.month}}</td><td></td><td>{{invoce_data.project_name}}</td><td><p v-for="ele in invoce_data.contract_type"><span v-if="ele.status==false"><b style="display: inline-block;width: 12px;height: 12px;border: 1px solid #ccc;"></b> {{ele.name}}</span><span v-if="ele.status==true" ><b style="display: inline-block;width: 14px;height: 14px;background: #000"></b> {{ele.name}}</span></p></td><td>{{invoce_data.taxes}}%</td><td></td></tr><tr><td colspan="10"> </td></tr><tr style="height: 30px"><td colspan="2" style="background: #00BFFF;font-weight: 900">发票抬头</td><td colspan="5">{{invoce_data.invoice_rise}}</td></tr><tr style="height: 30px"><td colspan="2" style="background: #00BFFF;font-weight: 900">纳税人识别号</td><td colspan="5">{{invoce_data.identification_number}}</td></tr><tr style="height: 30px"><td colspan="2" style="background: #00BFFF;font-weight: 900">客户方地址、电话</td><td colspan="5">{{invoce_data.address_mobile}}</td></tr><tr style="height: 30px"><td colspan="2" style="background: #00BFFF;font-weight: 900">开户行及账号</td><td colspan="5">{{invoce_data.bank_account}}</td></tr></table></div><el-button @click="downloadExl(jsono)" style="margin: 10px 0;background: #b52636;color: #fff">导出</el-button></div></template><script>export default {data() {return {invoce_data:{},wopts:{bookType: 'xlsx', bookSST: true, type: 'binary', cellStyles: true },jsono:[{"开发票申请单 V2.0": "所属事业部名称:", "列头2": "合并2", "列头3": "移动互联事业部", "列头4": '合并',"列头5": "部门编号:", "列头6": 10002,"列头7": "合并","列头8": "客户经理:","列头9": "张傲","列头10": "备注",},{"开发票申请单 V2.0": "序号", "列头2": "发票抬头（客户公司）", "列头3": "开票内容", "列头4": "发票金额", "列头5": "对应工作量月份", "列头6": "预计回款时间","列头7": "对应项目名称","列头8": "发票类型","列头9": "税率","列头10": "备注",},{"开发票申请单 V2.0": "1", "列头2": "上海蔚来汽车有限公司", "列头3": "技术服务费", "列头4": "","列头5": "", "列头6": "","列头7": "","列头8": "","列头9": "","列头10": "",},{"开发票申请单 V2.0": "", "列头2": "", "列头3": "", "列头4": "","列头5": "", "列头6": "","列头7": "","列头8": "","列头9": "","列头10": "",},{"开发票申请单 V2.0": "发票抬头", "列头2": "", "列头3": "", "列头4": "","列头5": "", "列头6": "","列头7": "","列头8": "","列头9": "","列头10": "",},{"开发票申请单 V2.0": "纳税人识别号", "列头2": "", "列头3": "", "列头4": "","列头5": "", "列头6": "","列头7": "","列头8": "","列头9": "","列头10": "",},{"开发票申请单 V2.0": "客户方地址、电话", "列头2": "", "列头3": "", "列头4": "","列头5": "", "列头6": "","列头7": "","列头8": "","列头9": "","列头10": "",},{"开发票申请单 V2.0": "开户行及账号", "列头2": "", "列头3": "", "列头4": "","列头5": "", "列头6": "","列头7": "","列头8": "","列头9": "","列头10": "",}]};},methods: {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);},downloadExl(json, type){var tmpdata = json[0];json.unshift({});var keyMap = []; //获取keysfor (var k in tmpdata) {keyMap.push(k);json[0][k] = k;}var tmpdata = [];//用来保存转换好的jsonjson.map((v, i) => keyMap.map((k, j) => Object.assign({}, {v: v[k],position: (j > 25 ? this.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D10tmpdata["!merges"] = [{s: {c: 0, r: 0 },//开始 A1e: {c: 9, r: 0 }//结束F1},{s: {c: 0, r: 1 },//开始 A2e: {c: 1, r: 1 }//结束B2},{s: {c: 2, r: 1 },//开始 C2e: {c:3, r: 1 },//结束D2},{s: {c: 5, r: 1 },//开始 F2e: {c:6, r: 1 }},{s: {c: 8, r: 1 },//开始 I2e: {c:9, r: 1 }},{s: {c:0, r:5 },//第六行e: {c:1, r:5 }},{s: {c:2, r:5 },//第六行e: {c:6, r:5 }},{s: {c:0, r:6 },//第七行e: {c:1, r:6 }},{s: {c:2, r:6 },//第七行e: {c:6, r:6 }},{s: {c:0, r:7 },//第八行e: {c:1, r:7 }},{s: {c:2, r:7 },//第八行e: {c:6, r:7 }},{s: {c:0, r:8 },//第九行e: {c:1, r:8 }},{s: {c:2, r:8 },//第九行e: {c:6, r:8 }},];//合并单元格// 边框样式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"}}};//加粗let style0 = {border:border, alignment:{horizontal:'center',wrapText: true ,vertical: "center"},font: {sz: 18, bold: true, color: {rgb: "000000" },outline:true } };let style1 = {border:border, alignment:{horizontal:'center',wrapText: true,vertical: "center"},font: {sz: 12, bold: true, color: {rgb: "000000" },outline:true } };//不加粗let style2 = {border:border, alignment:{horizontal:'center',wrapText: true,vertical: "center"},font: {sz: 12, color: {rgb: "000000" },outline:true } };//蓝底加粗let style3 = {border:border, alignment:{horizontal:'center',wrapText: true,vertical: "center"},font: {sz: 12, bold: true, color: {rgb: "000000" },outline:true }, fill: {fgColor: {rgb: "00BFFF" } } };// 第一二行样式tmpdata["A1"].s = style0;tmpdata["A2"].s = style1;tmpdata["B2"].s = style2;tmpdata["C2"].s = style2;tmpdata["D2"].s = style2;tmpdata["E2"].s = style1;tmpdata["F2"].s = style2;tmpdata["G2"].s = style2;tmpdata["H2"].s = style1;tmpdata["I2"].s = style2;tmpdata["J2"].s = style2;//第三行样式tmpdata["A3"].s = style3;tmpdata["B3"].s = style3;tmpdata["C3"].s = style3;tmpdata["D3"].s = style3;tmpdata["E3"].s = style3;tmpdata["F3"].s = style3;tmpdata["G3"].s = style3;tmpdata["H3"].s = style3;tmpdata["I3"].s = style3;tmpdata["J3"].s = style3;// 第四行样式tmpdata["A4"].s = style2;tmpdata["B4"].s = style2;tmpdata["C4"].s = style2;tmpdata["D4"].s = style2;tmpdata["E4"].s = style2;tmpdata["F4"].s = style2;tmpdata["G4"].s = style2;tmpdata["H4"].s = style2;tmpdata["I4"].s = style2;tmpdata["J4"].s = style2;//剩余行样式for(let i = 6;i<=9;i++){tmpdata["A"+i].s = style3;tmpdata["B"+i].s = style3;tmpdata["C"+i].s = style2;tmpdata["D"+i].s = style2;tmpdata["E"+i].s = style2;tmpdata["F"+i].s = style2;tmpdata["G"+i].s = style2;}tmpdata["!cols"]=[//设置列宽度{wpx: 50},//序号{wpx: 180},//发票抬头{wpx: 100},//开票内容{wpx: 100},//发票金额{wpx: 90},//对应工作量月份{wpx: 100},//预计回款时间{wpx: 100},//对应项目名称{wpx: 128},//发票类型{wpx: 100},//税率{wpx: 150},//备注];tmpdata["!rows"]=[//设置行高度{hpt: 50},//序号{hpt: 150},//发票抬头{hpt: 100},//开票内容{hpt: 100},//发票金额];var tmpWB = {SheetNames: ['发票申请单'], //保存的表标题Sheets: {'发票申请单': Object.assign({},tmpdata, //内容{'!ref': outputPos[0] + ':' + outputPos[outputPos.length - 1] //设置填充区域})}};var tmpDown = new Blob([this.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: ""});this.saveAs(tmpDown, this.invoce_data.project_name + '.' + (this.wopts.bookType == "biff2" ? "xls" : this.wopts.bookType))},getCharCol(n) {s = '',m = 0while (n > 0) {m = n % 26 + 1s = String.fromCharCode(m + 64) + sn = (n - m) / 26}return s},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;}}},created(){let id = this.$route.query.id;let status = this.$route.query.status;this.server_get("accounts/invoice",{id:id,status:status},data=>{if(data.data.status=='success'){this.invoce_data = data.data.result;let contract_type = this.invoce_data.contract_type;//处理发票类型let contract_type_str = "";contract_type.forEach(e=>{if(e.status==false){contract_type_str+="□ "+e.name}else{contract_type_str+="■ "+e.name}});this.jsono[0]["列头3"] = this.invoce_data.business_name;//事业部this.jsono[0]["列头9"] = this.invoce_data.manager_name;//客户经理this.jsono[2]["列头2"] = this.invoce_data.invoice_rise;//公司抬头this.jsono[2]["列头3"] = this.invoce_data.content;//开票内容this.jsono[2]["列头5"] = this.invoce_data.month;//月份this.jsono[2]["列头6"] = this.invoce_data.business_code;//部门编号this.jsono[2]["列头7"] = this.invoce_data.project_name;//项目this.jsono[2]["列头8"] = contract_type_str;//发票类型this.jsono[2]["列头9"] = this.invoce_data.taxes+"%";//税率this.jsono[4]["列头3"] = this.invoce_data.invoice_rise;//发票抬头this.jsono[5]["列头3"] = this.invoce_data.identification_number;//纳税人识别号this.jsono[6]["列头3"] = this.invoce_data.address_mobile;//客户地址this.jsono[7]["列头3"] = this.invoce_data.bank_account;//开户方账号}});}}</script><!-- Add "scoped" attribute to limit CSS to this component only --><style scoped lang="less">.invoice{.excel{width: 1200px;overflow: auto;h2{width: 1200px;text-align: center;}table{td{text-align: center;}}}}</style>
修改行高源码中有，但是官方文档并没有说明，目前没有去研究，应该是可以设置，若有其他问题可以提出讨论。
