html页面导出为excel表格

<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title></title>
</head>

<body>
<div class="tools">
    <button type="button" class="btn green" id="excell" onclick="method5('dataTable')">导出考勤表格</button>
</div>

<table border="1" id="dataTable">
    <tr>
        <td>王婷111</td>
        <td>一见倾城333 </td>
    </tr>
    <tr>
        <td>祈澈姑娘222</td>
        <td>Python开发者交流平台44</td>
    </tr>
    <tr>
        <td>wwwangting888</td>
        <td>13661725475</td>
    </tr>
</table>

</body>
<script>
    //打印表格
    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  border="1">{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>

</html>

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原文地址：https://www.cnblogs.com/zeussbook/p/9996915.html