问题集录--jquery将json转excel保持

代码如下：
<html>  
<head>  
    <meta http-equiv="content-type" content="text/html; charset=utf-8">  
    <script type="text/javascript" src="jquery.min.js"></script>  
    <script type="text/javascript">  
        $(document).ready(function(){  
            $('#wwo').click(function(){  
                var data = {"title":[{"value":"集团", "type":"ROW_HEADER_HEADER", "datatype":"string"}, {"value":"日期", "type":"ROW_HEADER_HEADER", "datatype":"string"}],"data":[[{"value":"好好", "type":"ROW_HEADER"}, {"value":"2015-08-24", "type":"ROW_HEADER"}]]};  
                if(data == '')  
                    return;  
                JSONToExcelConvertor(data.data, "Report", data.title);  
            });  
        });  
  
        function JSONToExcelConvertor(JSONData, FileName, ShowLabel) {  
            //先转化json  
            var arrData = typeof JSONData != 'object' ? JSON.parse(JSONData) : JSONData;  
              
            var excel = '<table>';      
              
            //设置表头  
            var row = "<tr>";  
            for (var i = 0, l = ShowLabel.length; i < l; i++) {  
                row += "<td>" + ShowLabel[i].value + '</td>';  
            }  
              
              
            //换行  
            excel += row + "</tr>";  
              
            //设置数据  
            for (var i = 0; i < arrData.length; i++) {  
                var row = "<tr>";  
                  
                for (var index in arrData[i]) {  
                    var value = arrData[i][index].value === "." ? "" : arrData[i][index].value;  
                    row += '<td>' + value + '</td>';  
                }  
                  
                excel += row + "</tr>";  
            }  
  
            excel += "</table>";  
  
            var excelFile = "<html xmlns:o='urn:schemas-microsoft-com:office:office' xmlns:x='urn:schemas-microsoft-com:office:excel' xmlns='http://www.w3.org/TR/REC-html40'>";  
            excelFile += '<meta http-equiv="content-type" content="application/vnd.ms-excel; charset=UTF-8">';  
            excelFile += '<meta http-equiv="content-type" content="application/vnd.ms-excel';  
            excelFile += '; charset=UTF-8">';  
            excelFile += "<head>";  
            excelFile += "<!--[if gte mso 9]>";  
            excelFile += "<xml>";  
            excelFile += "<x:ExcelWorkbook>";  
            excelFile += "<x:ExcelWorksheets>";  
            excelFile += "<x:ExcelWorksheet>";  
            excelFile += "<x:Name>";  
            excelFile += "{worksheet}";  
            excelFile += "</x:Name>";  
            excelFile += "<x:WorksheetOptions>";  
            excelFile += "<x:DisplayGridlines/>";  
            excelFile += "</x:WorksheetOptions>";  
            excelFile += "</x:ExcelWorksheet>";  
            excelFile += "</x:ExcelWorksheets>";  
            excelFile += "</x:ExcelWorkbook>";  
            excelFile += "</xml>";  
            excelFile += "<![endif]-->";  
            excelFile += "</head>";  
            excelFile += "<body>";  
            excelFile += excel;  
            excelFile += "</body>";  
            excelFile += "</html>";  
  
              
            var uri = 'data:application/vnd.ms-excel;charset=utf-8,' + encodeURIComponent(excelFile);  
              
            var link = document.createElement("a");      
            link.href = uri;  
              
            link.style = "visibility:hidden";  
            link.download = FileName + ".xls";  
              
            document.body.appendChild(link);  
            link.click();  
            document.body.removeChild(link);  
        }  
    </script>  
</head>  
<body>  
    <input type="button" id="wwo" value="导出" />  
</body>  
</html>
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