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HTML用JS导出Excel的五种方法

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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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