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纯前台js json导出到excel，不与后台交互

2017-07-06 14:47 330 查看

<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 += "";

            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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