世上最完美的用JavaScript将table导出成一个Excel文件（兼容所有浏览器）

来源：互联网发布：网络系统集成前沿技术编辑：程序博客网时间：2024/06/06 05:30
项目一个功能需要将table中的数据导出成一个Excel文件。在百度搜索上，大多是用ActiveX去做，可这个只能在ie浏览器上用，而且还要更改浏览器设置，这个方法明显不好用。
我经过多次搜索和研究，千辛万苦，终于找到一个方法，能兼容所有浏览器。代码如下：
<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>EB页面导出为EXCEL文档的方法</title><script>  //打印pdf文件 function myprint(){ var global_Html = document.body.innerHTML;             document.body.innerHTML = document.getElementById('tableExcel').innerHTML;         　　　　　　　　　　　　　　            window.print();        window.setTimeout(function () {            document.body.innerHTML = global_Html;       }, 1500); }</script><script type="text/javascript" language="javascript">        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 method1(tableid) {//整个表格拷贝到EXCEL中            if(getExplorer()=='ie')            {                var curTbl = document.getElementById(tableid);                var oXL = new ActiveXObject("Excel.Application");                                 //创建AX对象excel                var oWB = oXL.Workbooks.Add();                //获取workbook对象                var xlsheet = oWB.Worksheets(1);                //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                 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(tableid)            }        }        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"><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))              }            })()</script></head><body><div id="tableExcel">  <table id="test" width="100%" border="1" cellspacing="0" cellpadding="0">    <tr>      <td colspan="5" align="center"><font size="6"><b>WEB页面导出为EXCEL文档的方法</b> </font></td>    </tr>    <tr>      <td>列标题1 </td>      <td>列标题2 </td>      <td>列标题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>    <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 colspan="5">FFFGGGHHHIIIJJJ </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>DDD </td>      <td>EEE </td>    </tr>    <tr>      <td>FFF </td>      <td>GGG </td>      <td>III </td>      <td>JJJ </td>    </tr>  </table></div><input type="button" value="另存为 Excel" onClick="javascript:method1('test')"><input type="button" value="另存为pdf" onClick="myprint()"/></body></html>
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