Jsp的table导出Excel

  1 var idTmr;
  2 function getExplorer() {
  3     var explorer = window.navigator.userAgent ;
  4     //ie 
  5     if (explorer.indexOf("MSIE") >= 0) {
  6         return 'ie';
  7     }
  8     //firefox 
  9     else if (explorer.indexOf("Firefox") >= 0) {
 10         return 'Firefox';
 11     }
 12     //Chrome
 13     else if(explorer.indexOf("Chrome") >= 0){
 14         return 'Chrome';
 15     }
 16     //Opera
 17     else if(explorer.indexOf("Opera") >= 0){
 18         return 'Opera';
 19     }
 20     //Safari
 21     else if(explorer.indexOf("Safari") >= 0){
 22         return 'Safari';
 23     }
 24 }
 25 
 26 function exportToExcel(tableid ) {//整个表格拷贝到EXCEL中
 27     if(getExplorer()=='ie'){
 28         var curTbl = document.getElementById(tableid);
 29         var oXL = new ActiveXObject("Excel.Application");
 30 
 31         //创建AX对象excel 
 32         var oWB = oXL.Workbooks.Add();
 33         //获取workbook对象 
 34         var xlsheet = oWB.Worksheets(1);
 35         //激活当前sheet 
 36         var sel = document.body.createTextRange();
 37         sel.moveToElementText(curTbl);
 38         //把表格中的内容移到TextRange中 
 39         sel.select;
 40         //全选TextRange中内容 
 41         sel.execCommand("Copy");
 42         //复制TextRange中内容  
 43         xlsheet.Paste();
 44         //粘贴到活动的EXCEL中       
 45         oXL.Visible = true;
 46         //设置excel可见属性
 47 
 48         try {
 49             var fname = oXL.Application.GetSaveAsFilename("Excel.xls", "Excel Spreadsheets (*.xls), *.xls");
 50         } catch (e) {
 51             print("Nested catch caught " + e);
 52         } finally {
 53             oWB.SaveAs(fname);
 54             oWB.Close(savechanges = false);
 55             //xls.visible = false;
 56             oXL.Quit();
 57             oXL = null;
 58             //结束excel进程，退出完成
 59             //window.setInterval("Cleanup();",1);
 60             idTmr = window.setInterval("Cleanup();", 1);
 61         }
 62     }else{
 63         tableToExcel(tableid)
 64     }
 65 }
 66 
 67 function Cleanup() {
 68     window.clearInterval(idTmr);
 69     CollectGarbage();
 70 }
 71 
 72 var tableToExcel = (function() {
 73     var uri = 'data:application/vnd.ms-excel;base64,',
 74         template = '<html xmlns:o="urn:schemas-microsoft-com:office:office" '
 75             +'xmlns:x="urn:schemas-microsoft-com:office:excel" '
 76             +'xmlns="http://www.w3.org/TR/REC-html40">'
 77             +'<head>'
 78             +'<!--[if gte mso 9]>'
 79             +'<xml>'
 80             +'<x:ExcelWorkbook>'
 81             +'<x:ExcelWorksheets>'
 82             +'<x:ExcelWorksheet>'
 83             +'<x:Name>{worksheet}</x:Name>'
 84             +'<x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions>'
 85             +'</x:ExcelWorksheet>'
 86             +'</x:ExcelWorksheets>'
 87             +'</x:ExcelWorkbook>'
 88             +'</xml>'
 89             +'<![endif]-->'
 90             +'</head>'
 91             +'<body><table>{table}</table></body>'
 92             +'</html>',
 93             
 94     base64 = function(s) { return window.btoa(unescape(encodeURIComponent(s))) },
 95     format = function(s, c) {
 96         return s.replace(/{(\w+)}/g,
 97         function(m, p) { return c[p]; }) }
 98     
 99         return function(table, name) {
100             if (!table.nodeType) table = document.getElementById(table)
101             var ctx = {worksheet: name || 'Worksheet', table: table.innerHTML}
102             window.location.href = uri + base64(format(template, ctx))
103         }
104     })()
转：http://www.cnblogs.com/xiaofengyuan/p/6133941.html
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