jqGrid表格导出Excel

拷贝jqGrid表格，实现导出Excel

      //导出报表
　　　var ExportTable= function (title, flag, tableId, isAddedFoot) {
        try {
            var $curTb = null;
            if (flag != '') {
                $curTb = $("#" + flag + "_" + tableId);
            } else {
                $curTb = $("#" + tableId);
            }
            var curTbl = $curTb[0];
            var Lenc = curTbl.rows(0).cells.length;
            var dateTime = $("#" + flag + "_txtBeginDateCtl").val();
            var year = new Date().getYear();
            var ds = null;
            if (dateTime.indexOf('-') >= 0) {
                ds = dateTime.split('-');
                year = ds[0];
            } else if (dateTime.indexOf('/') >= 0) {
                ds = dateTime.split('/');
                year = ds[0];
            }
            var tbTitle = "<table id='tbTitle'><tr><td  style='font-weight:bold;text-align:left'>" + title;
            tbTitle += "(" + year + "-" + curTbl.rows(0).cells(1).innerText + " 到 " + year + "-" + curTbl.rows(0).cells(Lenc - 1).innerText + ")</td></tr>";
            tbTitle += "</table>";
            $curTb.prepend(tbTitle);

            if (isAddedFoot) {
                var tbFoot = "<table id='tbColor'  cellspacing='0' align='Left'><tr><td></td></td>" +
                    "<tr> <td style='text-align:left;' width='60'>颜色说明</td>" +
                        "<td style='background-color:#7f7f7f;text-align:center;' width='100'>时间已过</td>" +
                            "<td  width='10'></td>" +
                                "<td style='background-color:#604a7b;text-align:center;' width='100'>已审查</td>" +
                                    "<td  width='10'></td>" +
                                        "<td style='background-color:#31859c;text-align:center;' width='100'>已审核</td>" +
                                            "<td  width='10'></td>" +
                                                "<td style='background-color:#4f6228;text-align:center;' width='100'>已审阅</td>" +
                                                    "<td  width='10'></td>" +
                                                        "<td style='background-color:red;text-align:center;' width='100'>冲突数据</td>" +
                                                            "</tr> " +
                                                                "</table>";

                $curTb.append(tbFoot);
            }
            var oXL = new ActiveXObject("Excel.Application");
            var oWB = oXL.Workbooks.Add();
            var oSheet = oWB.ActiveSheet;
            var sel = document.body.createTextRange();
            sel.moveToElementText(curTbl);
            sel.select();
            sel.execCommand("Copy");
            oSheet.Paste();

            var sheetR = oSheet.UsedRange.Rows.Count;
            var sheetC = oSheet.UsedRange.Columns.Count;
            oSheet.Range(oSheet.Cells(1, 1), oSheet.Cells(sheetR, sheetC)).Borders.LineStyle = 1;
            oSheet.Range(oSheet.Cells(1, 1), oSheet.Cells(sheetR, sheetC)).Font.Size = 9;

            oSheet.Range(oSheet.Cells(1, 1), oSheet.Cells(1, sheetC)).Merge();

            oSheet.Cells(2, 1).HorizontalAlignment = 2;
            oSheet.Cells(2, 1).VerticalAlignment = 2;
            oSheet.Cells(2, 1).Font.Bold = true;
            oSheet.Cells(2, 1).Font.Size = 12;
            oSheet.Rows(2 + ":" + 2).RowHeight = 30;
            oSheet.Range(oSheet.Cells(2, 1), oSheet.Cells(2, sheetC)).Merge();
            if (isAddedFoot) {
                oSheet.Range(oSheet.Cells(sheetR - 1, 1), oSheet.Cells(sheetR - 1, sheetC)).Merge();
            }
            oXL.Visible = true;
            $("#tbTitle").remove();
            $("#tbColor").remove();

            //alert("导出成功!");

        } catch(e) {
            alert("导出失败!");
        } finally {
            window.setInterval("CleanUp();", 1);
        }
    }

   var CleanUp= function ()
    {
        window.clearInterval(idTmr);
        CollectGarbage();
    }