网上找的库文件，同样做了修改。在导出的时候，有时候数据第一列和最后一列可能是复选框和操作按钮，这个是我们不需要的，加了这个的过滤
//table2excel.js
/* * ?jQuery table2excel - v1.1.1 * ?jQuery plugin to export an .xls file in browser from an HTML table * ?https://github.com/rainabba/jquery-table2excel * * ?Made by rainabba * ?Under MIT License *//* * ?jQuery table2excel - v1.1.1 * ?jQuery plugin to export an .xls file in browser from an HTML table * ?https://github.com/rainabba/jquery-table2excel * * ?Made by rainabba * ?Under MIT License * ??* ?*把所有的样式移除了 *///table2excel.js;(function ( $, window, document, undefined ) { ???var pluginName = "table2excel", ???defaults = { ???????exclude: ".noExl",//导出排除的 ???????//name: "Table2Excel",//无用字段 ???????filename: "table2excel",//导出excel的名字 ???????fileext: ".xls",//导出excel的格式 ???????exclude_img: true,//图片是否导出 ???????exclude_links: true,//超链接 ???????exclude_inputs: true,//input的tag ???????sheetName:"sheet",//sheet的名字 ???????excludeFirst:false//是否去除第一列，默认去不掉 ???}; ???// The actual plugin constructor ???function Plugin ( element, options ) { ???????????this.element = element; ???????????// jQuery has an extend method which merges the contents of two or ???????????// more objects, storing the result in the first object. The first object ???????????// is generally empty as we don‘t want to alter the default options for ???????????// future instances of the plugin ???????????//extend把后俩个合并到第一个中 ???????????this.settings = $.extend( {}, defaults, options ); ???????????this._defaults = defaults; ???????????this._name = pluginName; ???????????this.init(); ???} ???Plugin.prototype = { ???????init: function () { ???????????var e = this; ???????????var utf8Heading = "<meta http-equiv=\"content-type\" content=\"application/vnd.ms-excel; charset=UTF-8\">"; ???????????e.template = { ???????????????head: "<html xmlns:o=\"urn:schemas-microsoft-com:office:office\" xmlns:x=\"urn:schemas-microsoft-com:office:excel\" xmlns=\"http://www.w3.org/TR/REC-html40\">" + utf8Heading + "<head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets>", ???????????????sheet: { ???????????????????head: "<x:ExcelWorksheet><x:Name>", ???????????????????tail: "</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet>" ???????????????}, ???????????????mid: "</x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body>", ???????????????table: { ???????????????????head: "<table>", ???????????????????tail: "</table>" ???????????????}, ???????????????foot: "</body></html>" ???????????}; ???????????e.tableRows = []; ???????????// get contents of table except for exclude ???????????$(e.element).each( function(i,o) { ???????????????var tempRows = ""; ???????????????$(o).find("tr").not(e.settings.exclude).each(function (i,p) { ???????????????????????????????????????tempRows += "<tr>"; ???????????????????????????????????????//拿到所有的要的数据的th ??td ???????????????????var data = $(p).find("td,th").not(e.settings.exclude); ???????????????????//这里是把第一列的checkbox排除了 ???????????????????if(e.settings.excludeFirst == true){ ???????????????????????data = data.not(":first"); ???????????????????} ???????????????????????????????????????data.each(function (i,q) { // p did not exist, I corrected ???????????????????????????????????????????????var rc = { ???????????????????????????rows: $(this).attr("rowspan"), ???????????????????????????cols: $(this).attr("colspan"), ???????????????????????????flag: $(q).find(e.settings.exclude) ???????????????????????}; ???????????????????????????????????????????????if( rc.flag.length > 0 ) { ???????????????????????????tempRows += "<td> </td>"; // exclude it!! ???????????????????????} else { ???????????????????????????if( rc.rows ?& rc.cols ) { ???????????????????????????????tempRows += "<td>" + $(q).html() + "</td>"; ???????????????????????????} else { ???????????????????????????????tempRows += "<td"; ???????????????????????????????if( rc.rows > 0) { ???????????????????????????????????tempRows += " rowspan=\‘" + rc.rows + "\‘ "; ???????????????????????????????} ???????????????????????????????if( rc.cols > 0) { ???????????????????????????????????tempRows += " colspan=\‘" + rc.cols + "\‘ "; ???????????????????????????????} ???????????????????????????????tempRows += "/>" + $(q).html() + "</td>"; ???????????????????????????} ???????????????????????} ???????????????????}); ???????????????????tempRows += "</tr>"; ???????????????????console.log(tempRows); ???????????????????????????????????}); ???????????????// exclude img tags ???????????????if(e.settings.exclude_img) { ???????????????????tempRows = exclude_img(tempRows); ???????????????} ???????????????// exclude link tags ???????????????if(e.settings.exclude_links) { ???????????????????tempRows = exclude_links(tempRows); ???????????????} ???????????????// exclude input tags ???????????????if(e.settings.exclude_inputs) { ???????????????????tempRows = exclude_inputs(tempRows); ???????????????} ???????????????e.tableRows.push(tempRows); ???????????}); ???????????e.tableToExcel(e.tableRows, e.settings.name, e.settings.sheetName); ???????}, ???????tableToExcel: function (table, name, sheetName) { ???????????var e = this, fullTemplate="", i, link, a; ???????????e.format = function (s, c) { ???????????????return s.replace(/{(\w+)}/g, function (m, p) { ???????????????????return c[p]; ???????????????}); ???????????}; ???????????sheetName = typeof sheetName === "undefined" ? "Sheet" : sheetName; ???????????e.ctx = { ??????????????// worksheet: name || "Worksheet",//这个字段无用 ???????????????table: table, ???????????????sheetName: sheetName ???????????}; ???????????fullTemplate= e.template.head; ???????????if ( $.isArray(table) ) { ???????????????for (i in table) { ?????????????????????//fullTemplate += e.template.sheet.head + "{" + e.ctx.worksheet + i + "}" + e.template.sheet.tail; ?????????????????????fullTemplate += e.template.sheet.head + sheetName + i + e.template.sheet.tail; ???????????????} ???????????} ???????????fullTemplate += e.template.mid; ???????????if ( $.isArray(table) ) { ???????????????for (i in table) { ???????????????????fullTemplate += e.template.table.head + "{table" + i + "}" + e.template.table.tail; ???????????????} ???????????} ???????????fullTemplate += e.template.foot; ???????????for (i in table) { ???????????????e.ctx["table" + i] = table[i]; ???????????} ???????????delete e.ctx.table; ???????????var isIE = /*@cc_on!@*/false || !!document.documentMode; // this works with IE10 and IE11 both :) ???????????????????????//if (typeof msie !== "undefined" && msie > 0 || !!navigator.userAgent.match(/Trident.*rv\:11\./)) ?????// this works ONLY with IE 11!!! ???????????if (isIE) { ???????????????if (typeof Blob !== "undefined") { ???????????????????//use blobs if we can ???????????????????fullTemplate = e.format(fullTemplate, e.ctx); // with this, works with IE ???????????????????fullTemplate = [fullTemplate]; ???????????????????//convert to array ???????????????????var blob1 = new Blob(fullTemplate, { type: "text/html" }); ???????????????????window.navigator.msSaveBlob(blob1, getFileName(e.settings) ); ???????????????} else { ???????????????????//otherwise use the iframe and save ???????????????????//requires a blank iframe on page called txtArea1 ???????????????????txtArea1.document.open("text/html", "replace"); ???????????????????txtArea1.document.write(e.format(fullTemplate, e.ctx)); ???????????????????txtArea1.document.close(); ???????????????????txtArea1.focus(); ???????????????????sa = txtArea1.document.execCommand("SaveAs", true, getFileName(e.settings) ); ???????????????} ???????????} else { ???????????????var blob = new Blob([e.format(fullTemplate, e.ctx)], {type: "application/vnd.ms-excel"}); ???????????????window.URL = window.URL || window.webkitURL; ???????????????link = window.URL.createObjectURL(blob); ???????????????a = document.createElement("a"); ???????????????a.download = getFileName(e.settings); ???????????????a.href = link; ???????????????document.body.appendChild(a); ???????????????a.click(); ???????????????document.body.removeChild(a); ???????????} ???????????return true; ???????} ???}; ???function getFileName(settings) { ???????return ( settings.filename ? settings.filename : "table2excel" ); ???} ???// Removes all img tags ???function exclude_img(string) { ???????var _patt = /(\s+alt\s*=\s*"([^"]*)"|\s+alt\s*=\s*‘([^‘]*)‘)/i; ???????return string.replace(/<img[^>]*>/gi, function myFunction(x){ ???????????var res = _patt.exec(x); ???????????if (res !== null && res.length >=2) { ???????????????return res[2]; ???????????} else { ???????????????return ""; ???????????} ???????}); ???} ???// Removes all link tags ???function exclude_links(string) { ???????return string.replace(/<a[^>]*>|<\/a>/gi, ""); ???} ???// Removes input params ???function exclude_inputs(string) { ???????var _patt = /(\s+value\s*=\s*"([^"]*)"|\s+value\s*=\s*‘([^‘]*)‘)/i; ???????return string.replace(/<input[^>]*>|<\/input>/gi, function myFunction(x){ ???????????var res = _patt.exec(x); ???????????if (res !== null && res.length >=2) { ???????????????return res[2]; ???????????} else { ???????????????return ""; ???????????} ???????}); ???} ???$.fn[ pluginName ] = function ( options ) { ???????var e = this; ???????????e.each(function() { ???????????????//console.log(options) ???????????????if ( !$.data( e, "plugin_" + pluginName ) ) { ???????????????????$.data( e, "plugin_" + pluginName, new Plugin( this, options ) ); ???????????????} ???????????}); ???????// chain jQuery functions ???????return e; ???};})( jQuery, window, document );
前端页面的样子
<div class="layui-row"> ???<table class="layui-table" ???????lay-data="{url:‘/student/student/oneListJson‘, page:true, id:‘idTable‘, limit: 10}" ???????lay-filter="mtable"> ???????<thead> ???????????<tr> ???????????????<th lay-data="{checkbox:true, fixed: true}"></th> ???????????????<th lay-data="{templet:‘#studentName‘}">#(i18n.get(‘学生姓名‘))</th> ???????????????<th lay-data="{field:‘studentEnglishName‘}">#(i18n.get(‘英文姓名‘))</th> ???????????????<th lay-data="{field:‘birthDateStr‘}">#(i18n.get(‘出生日期‘))</th> ???????????????<th lay-data="{templet:‘#sex‘}">#(i18n.get(‘性别‘))</th> ???????????????<th lay-data="{field:‘originalSchool‘}">#(i18n.get(‘就读学校‘))</th> ???????????????<th lay-data="{field:‘campusName‘}">#(i18n.get(‘所属校区‘))</th> ???????????????<th lay-data="{field:‘remarks‘}">#(i18n.get(‘备注‘))</th> ???????????????<th lay-data="{width:60, templet: ‘#status‘}">#(i18n.get(‘状态‘))</th> ???????????</tr> ???????</thead> ???</table></div>layui的数据表格也可以使用的，简单table也可以使用的<button type="button" class="layui-btn layui-btn-primary layui-btn-sm" id="export_excel">导出本页数据</button>使用方式
<!-- 导出 --><script type="text/javascript" src="/assets/layui-v2.4.3/table2excel.js"></script><script type="text/javascript" src="/assets/layui-v2.4.3/table2excels.js"></script> <script> ????//导出Excel ???$("#export_excel").on(‘click‘, function() { ???????$(".layui-table-box").table2excel({ ???????????exclude: ".noExl", ???????????filename: "myFileName" + new Date().toISOString().replace(/[\-\:\.]/g, ""), ???????????fileext: ".xls", ???????????exclude_img: true, ???????????exclude_links: true, ???????????exclude_inputs: true, ???????????sheetName: "student", ???????????excludeFirst:true,
excludeFirst:false
???????}); ???}); </script>
js导出excel：前端当前数据的导出
原文地址：https://www.cnblogs.com/renjianjun/p/9845766.html