js实现把网页table导成Excel

方案一：支持IE

 //导出excel

function exportExcel(DivID,strTitle){

    if(DivID==null)

    {

    return false;

    }

    var jXls, myWorkbook, myWorksheet;

    try {

        jXls = new ActiveXObject('Excel.Application');

    }

    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;

    }

    jXls.DisplayAlerts = false;

    myWorkbook = jXls.Workbooks.Add();

    var curTb = document.getElementById(DivID);

    myWorksheet = myWorkbook.ActiveSheet;

    myWorksheet.name=strTitle;

    var sel = document.body.createTextRange();

    sel.moveToElementText(curTb);

    sel.select();

    window.clipboardData.setData('text','');

    sel.execCommand("Copy");

    myWorksheet.Paste();

    jXls.Visible = true;

     try{

        var fname = jXls.Application.GetSaveAsFilename("OA数据"+strTitle+".xls", "Excel Spreadsheets (*.xls), *.xls");

        }catch(e){

        print("Nested catch caught " + e);

    }

    finally{

        if(fname!=false)

        {

             myWorkbook .SaveAs(fname);

            alert("数据成功保存在:"+fname);

        }

     }

     //   myWorkbook .Close(savechanges=false);

     // jXls.Quit();

    window.clipboardData.setData('text','');

    jXls = null;

    myWorkbook = null;

    myWorksheet = null;

}

<table class="oa-el-grid-list" id="tb" style="width:99%" cellspacing="0" cellpadding="0"

            border="0">

            <thead>

                <%=tab_html%>

            </thead>

            <%=TableHtml %>

        </table>

  <input id="btnSavExcel" onclick="exportExcel('tb','……表')" type="button" value="导出"  />

方案2

<input type="button" onclick="tableToExcel('tablename', 'name')" value="Export to Excel">

var tableToExcel = (function() {

var uri = 'data:application/vnd.ms-excel;base64,'

, template = '<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"><head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></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))

}

})()

方案3

<a id="dlink"  style="display:none;"></a>

<input type="button" onclick="tableToExcel('tablename', 'name', 'myfile.xls')" value="Export to Excel">

var tableToExcel = (function () {

        var uri = 'data:application/vnd.ms-excel;base64,'

        , template = '<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"><head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></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, filename) {

            if (!table.nodeType) table = document.getElementById(table)

            var ctx = { worksheet: name || 'Worksheet', table: table.innerHTML }

            document.getElementById("dlink").href = uri + base64(format(template, ctx));

            document.getElementById("dlink").download = filename;

            document.getElementById("dlink").click();

        }

    })()

支持：Chrome、Firefox、Opera、Safari

根据Json导出Excel

; !function () {

    layui.use(['layer', 'element'], function () {

    var tableTitle = [{ "value": "行政区", "type": "ROW_HEADER_HEADER", "datatype": "string" }, { "value": "留守儿童(人)", "type": "ROW_HEADER_HEADER", "datatype": "string" }, { "value": "困境儿童(人)", "type": "ROW_HEADER_HEADER", "datatype": "string" },{"value": "合计(人)", "type": "ROW_HEADER_HEADER", "datatype": "string" }]

    $(".querynav a:eq(2)").click(function (param) {

        var tableData=[];

        layer.confirm("确认导出当前页数据？",function(params) {

                $.each($(".tableBody tr"),function (i,lay) {

                    var data=[];

                     layer.closeAll();

                    for(i=0;i<$(this).children().length;i++){

                        var a="{value:'"+$(this).children().eq(i).text()+"',type:'ROW_HEADER'}";

                        data.push( eval("(" + a + ")"));

                    }

                    tableData.push(data);

                    console.log(data.toString());

                });

                console.log(tableData.toString());

                var cityName="";

                if ($("#Town").val() != "") {

                    civilregionalismcode += 'civilregionalismcode=' + $("#Town").val();

                }

                else if ($("#Country").val() != "") {

                    civilregionalismcode += 'civilregionalismcode=' + $("#Country").val();

                }

                else if ($("#city").val() != "") {

                    civilregionalismcode += 'civilregionalismcode=' + $("#city").val();

                }

                else if ($("#province").val() != "") {

                    civilregionalismcode += 'civilregionalismcode=' + $("#province").val();

                }

                // return;

                JSONToExcelConvertor(tableData, "测试数据", tableTitle)

        })

    });

     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>";

            console.log(arrData);

        //   return;

            //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);

        }  

    })

} ()

方案4：

/*将JqGrid导出Excel（中文）*/

<script src="/UILib/tableExport.jquery.plugin-master/libs/FileSaver/FileSaver.min.js"></script>

<script src="/UILib/tableExport.jquery.plugin-master/tableExport.min.js"></script>

<script type="text/javascript">

//导出数据

function ExportData() {

    var tbId = "datagrid";

    //var $tb = $("#" + tbId).clone();

    var $tbst = $("table[aria-labelledby='gbox_" + tbId + "']");

    $tbst.find("td:hidden").remove();

    var $tbs = $tbst.clone();

    $tbs.find("span").remove();

    var $tb;

    if ($tbs.length > 1) {

        var $tbody = $($tbs[1]).children("tbody");

        $tbody.children("tr[class='jqgfirstrow']").remove();

        $($tbs[0]).append($tbody);

        $tb = $($tbs[0]);

        //$tb.children("tbody tr[class='jqgfirstrow']").remove();

        $tb.children("thead").children("tr[class='jqg-first-row-header']");

        $tb.attr("id", "tb_Temp_Export");

        //$tb.hide();//隐藏之后出现导出为空

        var $div = $("<div style='width:0px;height:0px;overflow:hidden;z-index:-1;'></div>").append($tb);

        $(document.body).append($div);

        var tbRepName = "数据报表";

        var exName = tbRepName;//+ "(" + $('#txtSTime').val() + ")";

        $tb.tableExport({

            fileName: exName, type: 'excel', worksheetName: [tbRepName]

           , mso: {

               styles: ['background-color', 'background', 'color', 'font-family', 'font-size', 'font-weight', 'text-align', 'height', 'width']

           }

        });

        setTimeout(function () {

            $div.remove();

        }, 2000);

    } else {

        alert("操作失败，请刷新后重试！");

    }

}

</script>

注：加入styles样式时，可能会导出报错

多个Table导出多个Sheet

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>ExportTablesToExcel</title>

</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 οnclick="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>

输出内容：

<?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>

                hy

            </Author>

            <Created>

                hy31337

            </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>

        <Worksheet ss:Name="sheet1">

            <Table>

                <Row>

                    <Cell>

                        <Data ss:Type="String">

                            ID

                        </Data>

                    </Cell>

                    <Cell>

                        <Data ss:Type="String">

                            姓名

                        </Data>

                    </Cell>

                    <Cell>

                        <Data ss:Type="String">

                            年龄

                        </Data>

                    </Cell>

                </Row>

                <Row>

                    <Cell>

                        <Data ss:Type="String">

                            0001

                        </Data>

                    </Cell>

                    <Cell>

                        <Data ss:Type="String">

                            张三

                        </Data>

                    </Cell>

                    <Cell>

                        <Data ss:Type="String">

                            24

                        </Data>

                    </Cell>

                </Row>

            </Table>

        </Worksheet>

        <Worksheet ss:Name="sheet2">

            <Table>

                <Row>

                    <Cell>

                        <Data ss:Type="String">

                            ID

                        </Data>

                    </Cell>

                    <Cell>

                        <Data ss:Type="String">

                            姓名

                        </Data>

                    </Cell>

                    <Cell>

                        <Data ss:Type="String">

                            年龄

                        </Data>

                    </Cell>

                </Row>

                <Row>

                    <Cell>

                        <Data ss:Type="String">

                            0002

                        </Data>

                    </Cell>

                    <Cell>

                        <Data ss:Type="String">

                            李四

                        </Data>

                    </Cell>

                    <Cell>

                        <Data ss:Type="String">

                            24

                        </Data>

                    </Cell>

                </Row>

            </Table>

        </Worksheet>

        <Worksheet ss:Name="sheet3">

            <Table>

                <Row>

                    <Cell>

                        <Data ss:Type="String">

                            ID

                        </Data>

                    </Cell>

                    <Cell>

                        <Data ss:Type="String">

                            姓名

                        </Data>

                    </Cell>

                    <Cell>

                        <Data ss:Type="String">

                            年龄

                        </Data>

                    </Cell>

                </Row>

                <Row>

                    <Cell>

                        <Data ss:Type="String">

                            0003

                        </Data>

                    </Cell>

                    <Cell>

                        <Data ss:Type="String">

                            王五

                        </Data>

                    </Cell>

                    <Cell>

                        <Data ss:Type="String">

                            24

                        </Data>

                    </Cell>

                </Row>

            </Table>

        </Worksheet>

    </Workbook>

其它案例：

HTML用JS导出Excel的五种方法

细说JavaScript 导出上万条Excel数据

git_demo

https://github.com/kayalshri/tableExport.jquery.plugin/blob/master/tableExport.js

https://github.com/hhurz/tableExport.jquery.plugin

https://github.com/wenzhixin/bootstrap-table/blob/master/src/extensions/export/bootstrap-table-export.js

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