js导出到excel 兼容ie11火狐，谷歌，360

 <script language="javascript" type="text/javascript">         function isIE() { //ie?             if (!!window.ActiveXObject || "ActiveXObject" in window)                 return true;             else                 return false;         }         function getXlsFromTbl(inTblId, inWindow) {             try {                 var allStr = "";                 var curStr = "";                 var fileName = getExcelFileName();                 //                var cc = document.all;                 //                var ccc = typeof (document.all)                 //                alert(cc)                 //                alert(ccc)                 if (inTblId != null && inTblId != "" && inTblId != "null") {                     var hh = isIE();                     if (hh == true) //IE浏览器                     {                         curStr = getTblData(inTblId, inWindow);                         if (curStr != null) {                             allStr += curStr;                         }                         else {                             alert("你要导出的表不存在！");                             return;                         }                         doFileExport(fileName, allStr);                     } else {                         curStr = getTblData1(inTblId, inWindow);                         if (curStr != null) {                             allStr += curStr;                         }                         else {                             alert("你要导出的表不存在！");                             return;                         }                         var uri = ‘data:text/xls;charset=utf-8,\ufeff‘ + encodeURIComponent(allStr);                         //创建a标签模拟点击下载                         var downloadLink = document.createElement("a");                         downloadLink.href = uri;                         downloadLink.download = fileName;                         document.body.appendChild(downloadLink);                         downloadLink.click();                         document.body.removeChild(downloadLink);                     }                 }             }             catch (e) {                 alert("导出发生异常:" + e.name + "->" + e.description + "!");             }         }         function getTblData(inTbl, inWindow) {             var rows = 0;             //alert("getTblData is " + inWindow);             var tblDocument = document;             if (!!inWindow && inWindow != "") {                 if (!document.all(inWindow)) {                     return null;                 }                 else {                     tblDocument = eval(inWindow).document;                 }             }             var curTbl = tblDocument.getElementById(inTbl);             var outStr = "";             if (curTbl != null) {                 for (var j = 0; j < curTbl.rows.length; j++) {                     //alert("j is " + j);                     for (var i = 0; i < curTbl.rows[j].cells.length; i++) {                         //alert("i is " + i);                         if (i == 0 && rows > 0) {                             outStr += " \t";                             rows -= 1;                         }                         outStr += curTbl.rows[j].cells[i].innerHTML + " \t";                         if (curTbl.rows[j].cells[i].colSpan > 1) {                             for (var k = 0; k < curTbl.rows[j].cells[i].colSpan - 1; k++) {                                 outStr += " \t";                             }                         }                         if (i == 0) {                             if (rows == 0 && curTbl.rows[j].cells[i].rowSpan > 1) {                                 rows = curTbl.rows[j].cells[i].rowSpan - 1;                             }                         }                     }                     outStr += "\r\n";                 }             }             else {                 outStr = null;                 alert(inTbl + "不存在!");             }             return outStr;         }         function getTblData1(inTbl, inWindow) {             var rows = 0;             var tblDocument = document;             //tblDocument = eval(inWindow).document;             var curTbl = tblDocument.getElementById(inTbl);             var outStr = "";             if (curTbl != null) {                 for (var j = 0; j < curTbl.rows.length; j++) {                     for (var i = 0; i < curTbl.rows[j].cells.length; i++) {

                        if (i == 0 && rows > 0) {                             outStr += ","; // \t";                             rows -= 1;                         }

                        outStr += curTbl.rows[j].cells[i].innerHTML + ","; //\t";                         if (curTbl.rows[j].cells[i].colSpan > 1) {                             for (var k = 0; k < curTbl.rows[j].cells[i].colSpan - 1; k++) {                                 outStr += ","; // \t";                             }                         }                         if (i == 0) {                             if (rows == 0 && curTbl.rows[j].cells[i].rowSpan > 1) {                                 rows = curTbl.rows[j].cells[i].rowSpan - 1;                             }                         }                     }                     outStr += "\r\n";                 }             }

            else {                 outStr = null;                 alert(inTbl + "不存在 !");             }             return outStr;         }         function getExcelFileName() {             var d = new Date();             var curYear = d.getYear();             var curMonth = "" + (d.getMonth() + 1);             var curDate = "" + d.getDate();             var curHour = "" + d.getHours();             var curMinute = "" + d.getMinutes();             var curSecond = "" + d.getSeconds();             if (curMonth.length == 1) {                 curMonth = "0" + curMonth;             }             if (curDate.length == 1) {                 curDate = "0" + curDate;             }             if (curHour.length == 1) {                 curHour = "0" + curHour;             }             if (curMinute.length == 1) {                 curMinute = "0" + curMinute;             }             if (curSecond.length == 1) {                 curSecond = "0" + curSecond;             }             var fileName = "百度一下你就知道" + "_" + curYear + curMonth + curDate + "_"             + curHour + curMinute + curSecond + ".xls";             //alert(fileName);             return fileName;         }         function doFileExport(inName, inStr) {             var xlsWin = null;

            if (!!document.all("glbHideFrm")) {

                xlsWin = glbHideFrm;

            }             else {

                var width = 6;

                var height = 4;

                var openPara = "left=" + (window.screen.width / 2 - width / 2)

   + ",top=" + (window.screen.height / 2 - height / 2)

   + ",scrollbars=no,width=" + width + ",height=" + height;

                xlsWin = window.open("", "_blank", openPara);

            }

            xlsWin.document.write(inStr);

            xlsWin.document.close();

            xlsWin.document.execCommand(‘Saveas‘, true, inName);

            xlsWin.close();         }     </script>