html导出excel 兼容Ie,Firefox,Chrome浏览器

开始
<html>
<head>
<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('ta')
            }
        }
        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>
  <!-- 设置border="1"以显示表格框线 -->
    <table border="1" id="ta">
        <!-- caption元素可以生成表标题，其单元格列跨度为表格的列数 -->
        <caption>学生成绩表</caption>
        <tr>
            <!-- 可以使用rowspan和colspan来合并单元格 -->
            <th rowspan="2">编号</th>
            <th rowspan="2">学号</th>
            <th rowspan="2">姓名</th>
            <th rowspan="2">性别</th>
            <th rowspan="2">年龄</th>
            <th colspan="3">成绩</th>
        </tr>
        <tr>
            <th>语文</th>
            <th>数学</th>
            <th>英语</th>
        </tr>
        <tr>
            <td>1</td>
            <td>2016001</td>
            <td>张三</td>
            <td>男</td>
            <td>13</td>
            <td>85</td>
            <td>94</td>
            <td>77</td>
        </tr>
       
    </table>


<input id="Button1" type="button" value="导出EXCEL" 
        onclick="javascript:method1('ta')" />
</body>
</html>
结束
html导出excel 兼容Ie,Firefox,Chrome浏览器

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