需求:
要求把项目中的table表格导出Excel
需求分析及解决:
既然需要导出,是报表的可能性比较大,我的项目中就是这样,那既然是报表导出,可以是前端导出,也可以是后端导出(技术包括POI或者报表工具等),这篇文章主
要是网上找的前端导出,既然是前端导出又是报表就需要有数据,所以数据都需要你提前做好相应填充
代码:
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title>html 表格导出</title> <script language="JavaScript" type="text/javascript"> var idTmr; //获取当前浏览器类型 function getExplorer() { var explorer = window.navigator.userAgent ; //ie if (explorer.indexOf("MSIE") >= 0) { return 'ie'; } //firefox else if (explorer.indexOf("Firefox") >= 0) { return 'Firefox'; } //Chrome else if(explorer.indexOf("Chrome") >= 0){ return 'Chrome'; } //Opera else if(explorer.indexOf("Opera") >= 0){ return 'Opera'; } //Safari else if(explorer.indexOf("Safari") >= 0){ return 'Safari'; } } //获取到类型需要判断当前浏览器需要调用的方法,目前项目中火狐,谷歌,360没有问题 //win10自带的IE无法导出 function exportExcel(tableid) { if(getExplorer()=='ie') { var curTbl = document.getElementById(tableid); var oXL = new ActiveXObject("Excel.Application"); var oWB = oXL.Workbooks.Add(); var xlsheet = oWB.Worksheets(1); var sel = document.body.createTextRange(); sel.moveToElementText(curTbl); sel.select(); sel.execCommand("Copy"); xlsheet.Paste(); oXL.Visible = true; try { var fname = oXL.Application.GetSaveAsFilename("Excel.xls", "Excel Spreadsheets (*.xls), *.xls"); } catch (e) { print("Nested catch caught " + e); } finally { oWB.SaveAs(fname); oWB.Close(savechanges = false); oXL.Quit(); oXL = null; idTmr = window.setInterval("Cleanup();", 1); } } else { tableToExcel(tableid) } } function Cleanup() { window.clearInterval(idTmr); CollectGarbage(); } //判断浏览器后调用的方法,把table的id传入即可 var tableToExcel = (function() { var uri = 'data:application/vnd.ms-excel;base64,', template = '<html><head><meta charset="UTF-8"></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> </head> <body> <div > <button type="button" onclick="exportExcel('tableExcel')">导出Excel</button> </div> <div id="myDiv"> <table id="tableExcel" width="100%" border="1" cellspacing="0" cellpadding="0"> <tr> <td colspan="5" align="center">html 表格导出道Excel</td> </tr> <tr> <td>列标题</td> </tr> <tr> <td>aaa</td> <td>bbb</td> <td>ccc</td> <td>ddd</td> <td>eee</td> </tr> <tr> <td>AAA</td> <td>BBB</td> <td>CCC</td> <td>DDD</td> <td>EEE</td> </tr> <tr> <td>FFF</td> <td>GGG</td> <td>HHH</td> <td>III</td> <td>JJJ</td> </tr> </table> </div> </body> </html>
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