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用JS导出Excel的方法

用JS导出Excel的方法

作者: 洱月 | 来源:发表于2017-08-08 11:56 被阅读0次

    *这篇文章转载自网络http://blog.csdn.net/aa122273328/article/details/50388673#comments

    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)

    <!DOCTYPE html>  
    <html>  
    <head lang="en">  
        <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" align="center">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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        本文标题:用JS导出Excel的方法

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