JS（十四）导出excel

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/** * 点击导出excel-------------------------start------------------------------ */var idTmr;function getExplorer() {var explorer = window.navigator.userAgent;// ieif (explorer.indexOf("MSIE") >= 0) {return 'ie';}// firefoxelse if (explorer.indexOf("Firefox") >= 0) {return 'Firefox';}// Chromeelse if (explorer.indexOf("Chrome") >= 0) {return 'Chrome';}// Operaelse if (explorer.indexOf("Opera") >= 0) {return 'Opera';}// Safarielse if (explorer.indexOf("Safari") >= 0) {return 'Safari';}}function exportExcel() {// 整个表格拷贝到EXCEL中if (getExplorer() == 'ie') {var curTbl = document.getElementById("tablec");var oXL = new ActiveXObject("Excel.Application");// 创建AX对象excelvar oWB = oXL.Workbooks.Add();// 获取workbook对象var xlsheet = oWB.Worksheets(1);// 激活当前sheetvar sel = document.body.createTextRange();sel.moveToElementText(curTbl);// 把表格中的内容移到TextRange中sel.select();// 全选TextRange中内容sel.execCommand("Copy");// 复制TextRange中内容xlsheet.Paste();// 粘贴到活动的EXCEL中oXL.Visible = true;// 设置excel可见属性try {var fname = oXL.Application.GetSaveAsFilename("Excel.xls","Excel Spreadsheets (*.xls), *.xls");} catch (e) {print("Nested catch caught " + e);} finally {oWB.SaveAs(fname);oWB.Close(savechanges = false);// xls.visible = false;oXL.Quit();oXL = null;// 结束excel进程，退出完成// window.setInterval("Cleanup();",1);idTmr = window.setInterval("Cleanup();", 1);}} else {tableToExcel("tablec")}}function Cleanup() {window.clearInterval(idTmr);CollectGarbage();}var tableToExcel = (function() {  var uri = 'data:application/vnd.ms-excel;base64,',  template = '<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"><meta http-equiv="Content-Type" charset=utf-8"><head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body><table>{table}</table></body></html>',    base64 = function(s) { return window.btoa(unescape(encodeURIComponent(s))) },    format = function(s, c) {        return s.replace(/{(\w+)}/g,        function(m, p) { return c[p]; }) }    return function(table, name) {    if (!table.nodeType) table = document.getElementById(table)    var ctx = {worksheet: name || 'Worksheet', table: table.innerHTML}    window.location.href = uri + base64(format(template, ctx))  }})()/** * 点击导出excel-------------------------end------------------------------ */
用法：
1、在加粗部分是要导出表格的id；
2、表格必须提前填充好；
3、exportExcel（）函数绑定到导出按钮。
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