仅限于IE的将table中的数据导入导出excel

仅限于IE 需要兼容火狐的同学 建议在后台使用jxl.jar来实现

导入：

<html xmlns=" http://www.w3.org/1999/xhtml" >
<head>
     <title>Untitled Page</title>
</head>
<script language="javascript" type="text/javascript">
function importXLS(fileName)
{  
     objCon = new ActiveXObject("ADODB.Connection");
     objCon.Provider = "Microsoft.Jet.OLEDB.4.0";
     objCon.ConnectionString = "Data Source=" + fileName + ";Extended Properties=Excel 8.0;";
     objCon.CursorLocation = 1;
     objCon.Open;
     var strQuery;
     //Get the SheetName
     var strSheetName = "Sheet1$";
     var rsTemp =   new ActiveXObject("ADODB.Recordset");
     rsTemp = objCon.OpenSchema(20);
     if(!rsTemp.EOF)
     strSheetName = rsTemp.Fields("Table_Name").Value;

     rsTemp = null;

     rsExcel =   new ActiveXObject("ADODB.Recordset");
     strQuery = "SELECT * FROM [" + strSheetName + "]";
     rsExcel.ActiveConnection = objCon;
     rsExcel.Open(strQuery);
     while(!rsExcel.EOF)
     {
     for(i = 0;i<rsExcel.Fields.Count;++i)
     {
     alert(rsExcel.Fields(i).value);
     }
     rsExcel.MoveNext;
     }
     // Close the connection and dispose the file
     objCon.Close;
     objCon =null;
     rsExcel = null;
}
</script>
</head>
<body>
<input type="file" id="f" />
<input type="button" id="b" value="import" onclick="if(f.value=='')alert('请选择xls文件');else importXLS(f.value)" />
</body>
</html>



--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
导出： 
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"  
      
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">  
      
    <html xmlns="http://www.w3.org/1999/xhtml">  
      
    <head>  
        <meta http-equiv="Content-Type" content="text/html; charset=gbk"/>  
        <title>WEB页面导出为EXCEL文档的方法</title>  
    </head>  
    <body>  
    <table id="tableExcel" width="100%" border="1" cellspacing="0" cellpadding="0">  
        <tr>  
            <td colspan="5" align="center">WEB页面导出为EXCEL文档的方法</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>  
    </table>  
    <input type="button" onclick="javascript:method1('tableExcel');" value="第一种方法导入到EXCEL">  
    <input type="button" onclick="javascript:method2('tableExcel');" value="第二种方法导入到EXCEL">  
    <input type="button" onclick="javascript:getXlsFromTbl('tableExcel',null);" value="第三种方法导入到EXCEL">  
      
    <SCRIPT LANGUAGE="javascript">  
    function method1(tableid) {//整个表格拷贝到EXCEL中  
        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 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  
    }  
      
    function method2(tableid) //读取表格中每个单元到EXCEL中  
    {  
        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 oSheet = oWB.ActiveSheet;  
        //激活当前sheet  
        var Lenr = curTbl.rows.length;  
        //取得表格行数  
        for (i = 0; i < Lenr; i++)  
        {  
            var Lenc = curTbl.rows(i).cells.length;  
            //取得每行的列数  
            for (j = 0; j < Lenc; j++)  
            {  
                oSheet.Cells(i + 1, j + 1).value = curTbl.rows(i).cells(j).innerText;  
                //赋值  
            }  
        }  
        oXL.Visible = true;  
        //设置excel可见属性  
    }  
      
    function getXlsFromTbl(inTblId, inWindow) {  
        try {  
            var allStr = "";  
            var curStr = "";  
            //alert("getXlsFromTbl");  
            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;  
        //alert("getTblData is " + inWindow);  
        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++) {  
                //alert("j is " + j);  
                for (var i = 0; i < curTbl.rows[j].cells.length; i++) {  
                    //alert("i is " + 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 += "\r\n";  
            }  
        }  
        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 = "leo_zhang" + "_" + curYear + curMonth + curDate + "_" + curHour + curMinute + curSecond + ".csv";  
        //alert(fileName);  
        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();  
    }  
      
    </SCRIPT>  
    </body>  
    </html>