html table導出到Excel中,不走後臺,js完成

靜態表格tablejavascript

<table class="table tableStyles" id="tables">
        <caption>不正經的統計表</caption><!--能夠生成表格的標題-->
        <thead>
            <tr>
                <th>品牌</th>
                <th>門店</th>
                <th>本週回訪</th>
                <th>本月回訪</th>
                <th>總回訪</th>
                <th>本週成交數</th>
                <th>本月成交數</th>
                <th>總成交數</th>
                <th>異常量</th>
                <th>成交轉化率</th>
                <th>經手人/th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td rowspan="3">華爲</td>
                <td>華爲深圳店</td>
                <td>20</td>
                <td>80</td>
                <td>500</td>
                <td>1</td>
                <td>3</td>
                <td>20</td>
                <td>1</td>
                <td>4.0%</td>
                <td>黃生</td>
            </tr>
            <tr>
                <td>華爲東莞店</td>
                <td>20</td>
                <td>80</td>
                <td>500</td>
                <td>1</td>
                <td>3</td>
                <td>20</td>
                <td>1</td>
                <td>4.0%</td>
                <td>黃生</td>
            </tr>
            <tr>
                <td>華爲佛山店</td>
                <td>20</td>
                <td>80</td>
                <td>500</td>
                <td>1</td>
                <td>3</td>
                <td>20</td>
                <td>1</td>
                <td>4.0%</td>
                <td>黃生</td>
            </tr>
            <tr>
                <td rowspan="3">小米</td>
                <td>米家深圳店</td>
                <td>20</td>
                <td>80</td>
                <td>500</td>
                <td>1</td>
                <td>3</td>
                <td>20</td>
                <td>1</td>
                <td>4.0%</td>
                <td>林生</td>
            </tr>
        </tbody>
    </table>

2.Js代碼html

①利用html5的download屬性,點擊下載該文件html5

<a id="dlink"  style="display:none;"></a>
<input type="button" onclick="tableToExcel('tables', 'name', 'myfile.xls')" value="Export to Excel">
<script type="text/javascript"> 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(); } })() </script>

 

②建立ActiveXObject對象複製到表格中java

1 <input id="Button1" type="button" value="導出EXCEL" onclick="javascript:excels('tables')" />
<script type="text/javascript"> var timer; function getExplorer(){//獲取瀏覽器
            var explorer=window.navigator.userAgent; if(explorer.indexOf("MSIE") >= 0|| (explorer.indexOf("Windows NT 6.1;") >= 0 && explorer.indexOf("Trident/7.0;") >= 0)){ return 'ie'; }else if (explorer.indexOf("Firefox") >= 0) { return 'Firefox'; }else if(explorer.indexOf("Chrome") >= 0){ return 'Chrome'; }else if(explorer.indexOf("Opera") >= 0){ return 'Opera'; }else if(explorer.indexOf("Safari") >= 0){ return 'Safari'; } } function excels(table){ if(getExplorer()=='ie'){ var curTbl = document.getElementById(table); var oXl=new ActiveXObject("Excel.Application");//建立AX對象excel 
                var oWB = oXL.Workbooks.Add();//獲取workbook對象
                var xlsheet = oWB.Worksheets(1);//激活當前sheet
                var sel = document.body.createTextRange(); sel.moveToElementText(curTbl);//把表格中的內容移到TextRange中 
                sel.select;//全選TextRange中內容
                sel.execCommand("Copy");//複製TextRange中內容
                xlsheet.Paste();//粘貼到活動的EXCEL中
                oXL.Visible = true;//設置excel可見屬性
                try{ var filename = oXL.Application.GetSaveAsFilename("Excel.xls", "Excel Spreadsheets (*.xls), *.xls"); }catch(e){ window.print("Nested catch caught " + e); }finally{ oWB.SaveAs(filename); oWB.Close(savechanges = false); oXL.Quit(); oXL = null;//結束excel進程,退出完成
                    timer = window.setInterval("Cleanup();", 1); } }else{ tableToExcel("tables"); } } function Cleanup(){ window.clearInterval(timer); CollectGarbage();//CollectGarbage,是IE的一個特有屬性,用於釋放內存的
 } 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)) } })(); </script>

①.真正起到做用的是a標籤的屬性,input按鈕只是起到了一個過渡到download屬性的做用;node

    其中有編碼解碼,須要注意中文亂碼狀況;jquery

    測試只有谷歌和火狐起做用,且只有谷歌下載的文件名是「下載.xls」,火狐的文件名像是編碼後的~git

 雙核瀏覽器固然也只有chrome內核下有效果~~github

 

還有其餘的問題是我繼續須要想的,表格內容分頁狀況導出?篩選條件後導出所有?等等等~chrome

附上源碼註釋地址:https://github.com/Chuyue0/javascript-demo/blob/master/tableExporeExcel.html瀏覽器

 開發過程當中有不少預料不到的事,繼續加油吧!

 

~~~~~~~~~~~~剩到最後的解決辦法是利用插件~~~~~~~~~~~~

好比github上的

1020 Star:https://github.com/kayalshri/tableExport.jquery.plugin

270 Star:https://github.com/clarketm/TableExport

159 Star:https://github.com/huanz/tableExport

說明一下,星星多的插件是有base64編碼,因此還額外須要js腳本!

我的比較喜歡最少星星的庫,感受明瞭清晰,能夠按需加載~

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