jsp多个table导出一个excel的多个sheet

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>ExportTablesToExcel</title>
    <script src="js/echarts.js"></script>
    <script src="js/jquery.js"></script>
</head>
<style>
    #tabDiv1,#tabDiv2,#tabDiv3{border:1px solid pink;margin:10px auto;width:100%; }
    button{width:100%;}
</style>
<body>
<div id="tablesDiv">
    <table id="tabDiv1">
        <tr>
            <td>ID</td>
            <td>姓名</td>
            <td>年龄</td>
        </tr>
        <tr>
            <td>0001</td>
            <td>张三</td>
            <td>24</td>
        </tr>
    </table>
    <table id="tabDiv2">
        <tr>
            <td>ID</td>
            <td>姓名</td>
            <td>年龄</td>
        </tr>
        <tr>
            <td>0002</td>
            <td>李四</td>
            <td>24</td>
        </tr>
    </table>
    <table id="tabDiv3">
        <tr>
            <td>ID</td>
            <td>姓名</td>
            <td>年龄</td>
        </tr>
        <tr>
            <td>0003</td>
            <td>王五</td>
            <td>24</td>
        </tr>
    </table>
    <button onclick="exp();">export to excel...</button>
</div>
</body>
<script>
    function exp(){
        tablesToExcel(['tabDiv1','tabDiv2','tabDiv3'], ['sheet1','sheet2','sheet3'], "testExport.xls", "Excel");
    }
    //导出excel包含多个sheet
    //tables:tableId的数组;wsbames:sheet的名字数组;wbname:工作簿名字;appname:Excel
function tablesToExcel(tables, wsnames, wbname, appname){

        var uri = 'data:application/vnd.ms-excel;base64,'
, tmplWorkbookXML = '<?xml version="1.0"?><?mso-application progid="Excel.Sheet"?><Workbook xmlns="urn:schemas-microsoft-com:office:spreadsheet" xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet">'
+ '<DocumentProperties xmlns="urn:schemas-microsoft-com:office:office"><Author>Axel Richter</Author><Created>{created}</Created></DocumentProperties>'
+ '<Styles>'
+ '<Style ss:ID="Currency"><NumberFormat ss:Format="Currency"></NumberFormat></Style>'
+ '<Style ss:ID="Date"><NumberFormat ss:Format="Medium Date"></NumberFormat></Style>'
+ '</Styles>'
+ '{worksheets}</Workbook>'
, tmplWorksheetXML = '<Worksheet ss:Name="{nameWS}"><Table>{rows}</Table></Worksheet>'
, tmplCellXML = '<Cell{attributeStyleID}{attributeFormula}><Data ss:Type="{nameType}">{data}</Data></Cell>'
, base64 = function(s) { return window.btoa(unescape(encodeURIComponent(s))) }
            , format = function(s, c) { return s.replace(/{(\w+)}/g, function(m, p) { return c[p]; }) }

        var ctx = "";
        var workbookXML = "";
        var worksheetsXML = "";
        var rowsXML = "";

        for (var i = 0; i < tables.length; i++) {
            if (!tables[i].nodeType) tables[i] = document.getElementById(tables[i]);

//           控制要导出的行数
for (var j = 0; j < tables[i].rows.length; j++) {
                rowsXML += '<Row>';

                for (var k = 0; k < tables[i].rows[j].cells.length; k++) {
                    var dataType = tables[i].rows[j].cells[k].getAttribute("data-type");
                    var dataStyle = tables[i].rows[j].cells[k].getAttribute("data-style");
                    var dataValue = tables[i].rows[j].cells[k].getAttribute("data-value");
                    dataValue = (dataValue)?dataValue:tables[i].rows[j].cells[k].innerHTML;
                    var dataFormula = tables[i].rows[j].cells[k].getAttribute("data-formula");
                    dataFormula = (dataFormula)?dataFormula:(appname=='Calc' && dataType=='DateTime')?dataValue:null;
                    ctx = {  attributeStyleID: (dataStyle=='Currency' || dataStyle=='Date')?' ss:StyleID="'+dataStyle+'"':''
, nameType: (dataType=='Number' || dataType=='DateTime' || dataType=='Boolean' || dataType=='Error')?dataType:'String'
, data: (dataFormula)?'':dataValue
, attributeFormula: (dataFormula)?' ss:Formula="'+dataFormula+'"':''
};
                    rowsXML += format(tmplCellXML, ctx);
                }
                rowsXML += '</Row>'
}
            ctx = {rows: rowsXML, nameWS: wsnames[i] || 'Sheet' + i};
            worksheetsXML += format(tmplWorksheetXML, ctx);
            rowsXML = "";
        }

        ctx = {created: (new Date()).getTime(), worksheets: worksheetsXML};
        workbookXML = format(tmplWorkbookXML, ctx);

//       查看后台的打印输出
        //console.log(workbookXML);

var link = document.createElement("A");
        link.href = uri + base64(workbookXML);
        link.download = wbname || 'Workbook.xls';
        link.target = '_blank';
        document.body.appendChild(link);
        link.click();
        document.body.removeChild(link);

    }
</script>
</html>
jsp多个table导出一个excel的多个sheet

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