今天遇到一个需要用JS导出Excel的功能,百度了一下,有很多种方法,这里总结了五种,推荐给大家。这五种方法前四种方法只支持IE浏览器,最后一个方法支持当前主流的浏览器(火狐,IE,Chrome,Opera,Safari)。以下是代码:
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>html 表格导出道</title> <script language="JavaScript" type="text/javascript">     //第一种方法     function method1(tableid) {         var curTbl = document.getElementById(tableid);         var oXL = new ActiveXObject("Excel.Application");         var oWB = oXL.Workbooks.Add();         var oSheet = oWB.ActiveSheet;         var sel = document.body.createTextRange();         sel.moveToElementText(curTbl);         sel.select();         sel.execCommand("Copy");         oSheet.Paste();         oXL.Visible = true;     }     //第二种方法     function method2(tableid)     {         var curTbl = document.getElementById(tableid);         var oXL = new ActiveXObject("Excel.Application");         var oWB = oXL.Workbooks.Add();         var oSheet = oWB.ActiveSheet;         var Lenr = curTbl.rows.length;         for (i = 0; i < Lenr; i++)         {        var Lenc = curTbl.rows(i).cells.length;             for (j = 0; j < Lenc; j++)             {                 oSheet.Cells(i + 1, j + 1).value = curTbl.rows(i).cells(j).innerText;             }         }         oXL.Visible = true;     }     //第三种方法     function getXlsFromTbl(inTblId, inWindow){         try {             var allStr = "";             var curStr = "";             if (inTblId != null && inTblId != "" && inTblId != "null") {                 curStr = getTblData(inTblId, inWindow);             }             if (curStr != null) {                 allStr += curStr;             }             else {                 alert("你要导出的表不存在");                 return;             }             var fileName = getExcelFileName();             doFileExport(fileName, allStr);         }         catch(e) {             alert("导出发生异常:" + e.name + "->" + e.description + "!");         }     }     function getTblData(inTbl, inWindow) {         var rows = 0;         var tblDocument = document;         if (!!inWindow && inWindow != "") {             if (!document.all(inWindow)) {                 return null;             }             else {                 tblDocument = eval(inWindow).document;             }         }         var curTbl = tblDocument.getElementById(inTbl);         var outStr = "";         if (curTbl != null) {             for (var j = 0; j < curTbl.rows.length; j++) {                 for (var i = 0; i < curTbl.rows[j].cells.length; i++) {                     if (i == 0 && rows > 0) {                         outStr += " t";                         rows -= 1;                     }                     outStr += curTbl.rows[j].cells[i].innerText + "t";                     if (curTbl.rows[j].cells[i].colSpan > 1) {                         for (var k = 0; k < curTbl.rows[j].cells[i].colSpan - 1; k++) {                             outStr += " t";                         }                     }                     if (i == 0) {                         if (rows == 0 && curTbl.rows[j].cells[i].rowSpan > 1) {                             rows = curTbl.rows[j].cells[i].rowSpan - 1;                         }                     }                 }                 outStr += "rn";             }         }         else {             outStr = null;             alert(inTbl + "不存在 !");         }         return outStr;     }     function getExcelFileName() {         var d = new Date();         var curYear = d.getYear();         var curMonth = "" + (d.getMonth() + 1);         var curDate = "" + d.getDate();         var curHour = "" + d.getHours();         var curMinute = "" + d.getMinutes();         var curSecond = "" + d.getSeconds();         if (curMonth.length == 1) {             curMonth = "0" + curMonth;         }         if (curDate.length == 1) {             curDate = "0" + curDate;         }         if (curHour.length == 1) {             curHour = "0" + curHour;         }         if (curMinute.length == 1) {             curMinute = "0" + curMinute;         }         if (curSecond.length == 1) {             curSecond = "0" + curSecond;         }         var fileName = "table" + "_" + curYear + curMonth + curDate + "_"                 + curHour + curMinute + curSecond + ".csv";         return fileName;     }     function doFileExport(inName, inStr) {         var xlsWin = null;         if (!!document.all("glbHideFrm")) {             xlsWin = glbHideFrm;         }         else {             var width = 6;             var height = 4;             var openPara = "left=" + (window.screen.width / 2 - width / 2)                     + ",top=" + (window.screen.height / 2 - height / 2)                     + ",scrollbars=no,width=" + width + ",height=" + height;             xlsWin = window.open("", "_blank", openPara);         }         xlsWin.document.write(inStr);         xlsWin.document.close();         xlsWin.document.execCommand('Saveas', true, inName);         xlsWin.close();     }     //第四种     function method4(tableid){         var curTbl = document.getElementById(tableid);         var oXL;         try{             oXL = new ActiveXObject("Excel.Application"); //创建AX对象excel         }catch(e){             alert("无法启动Excel!\n\n如果您确信您的电脑中已经安装了Excel,"+"那么请调整IE的安全级别。\n\n具体操作:\n\n"+"工具 → Internet选项 → 安全 → 自定义级别 → 对没有标记为安全的ActiveX进行初始化和脚本运行 → 启用");             return false;         }         var oWB = oXL.Workbooks.Add(); //获取workbook对象         var oSheet = oWB.ActiveSheet;//激活当前sheet         var 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         oSheet.Paste();//粘贴到活动的EXCEL中         oXL.Visible = true; //设置excel可见属性         var fname = oXL.Application.GetSaveAsFilename("将table导出到excel.xls", "Excel Spreadsheets (*.xls), *.xls");         oWB.SaveAs(fname);         oWB.Close();         oXL.Quit();     }     //第五种方法     var idTmr;     function  getExplorer() {         var explorer = window.navigator.userAgent ;         //ie         if (explorer.indexOf("MSIE") >= 0) {             return 'ie';         }         //firefox         else if (explorer.indexOf("Firefox") >= 0) {             return 'Firefox';         }         //Chrome         else if(explorer.indexOf("Chrome") >= 0){             return 'Chrome';         }         //Opera         else if(explorer.indexOf("Opera") >= 0){             return 'Opera';         }         //Safari         else if(explorer.indexOf("Safari") >= 0){             return 'Safari';         }     }     function method5(tableid) {         if(getExplorer()=='ie')         {             var curTbl = document.getElementById(tableid);             var oXL = new ActiveXObject("Excel.Application");             var oWB = oXL.Workbooks.Add();             var xlsheet = oWB.Worksheets(1);             var sel = document.body.createTextRange();             sel.moveToElementText(curTbl);             sel.select();             sel.execCommand("Copy");             xlsheet.Paste();             oXL.Visible = true;             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);                 oXL.Quit();                 oXL = null;                 idTmr = window.setInterval("Cleanup();", 1);             }         }         else         {             tableToExcel(tableid)         }     }     function Cleanup() {         window.clearInterval(idTmr);         CollectGarbage();     }     var tableToExcel = (function() {         var uri = 'data:application/vnd.ms-excel;base64,',                 template = '<html><head><meta charset="UTF-8"></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))         }     })() </script> </head> <body>  <div >     <button type="button" onclick="method1('tableExcel')">导出Excel方法一</button>     <button type="button" onclick="method2('tableExcel')">导出Excel方法二</button>     <button type="button" onclick="getXlsFromTbl('tableExcel','myDiv')">导出Excel方法三</button>     <button type="button" onclick="method4('tableExcel')">导出Excel方法四</button>     <button type="button" onclick="method5('tableExcel')">导出Excel方法五</button> </div> <div id="myDiv"> <table id="tableExcel" width="100%" border="1" cellspacing="0" cellpadding="0">     <tr>         <td colspan="5">html 表格导出道Excel</td>     </tr>     <tr>         <td>列标题1</td>         <td>列标题2</td>         <td>类标题3</td>         <td>列标题4</td>         <td>列标题5</td>     </tr>     <tr>         <td>aaa</td>         <td>bbb</td>         <td>ccc</td>         <td>ddd</td>         <td>eee</td>     </tr>     <tr>         <td>AAA</td>         <td>BBB</td>         <td>CCC</td>         <td>DDD</td>         <td>EEE</td>     </tr>     <tr>         <td>FFF</td>         <td>GGG</td>         <td>HHH</td>         <td>III</td>         <td>JJJ</td>     </tr> </table> </div> </body> </html>
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