js导出excel

 function AutomateExcel(tablename) {
            var elTable = document.getElementById(tablename);  //要导出的table id。
            
            var oRangeRef = document.body.createTextRange();
            oRangeRef.moveToElementText(elTable);
            oRangeRef.execCommand("Copy");
            try {
                var appExcel = new ActiveXObject("Excel.Application");
                var oWB = appExcel.Workbooks.Add();
                //获取workbook对象
                var oSheet = oWB.ActiveSheet;
                oSheet.Columns("1:5").ColumnWidth = 40
                oWB.Worksheets.Item(1).Paste();
                appExcel.Visible = true;
                //appExcel.ActiveSheet.Columns("1:5").ColumnWidth = 40
            }
            catch (e) {
                alert("请查看浏览器ActiveX控件和插件是否启用！");
            }
            finally {
                appExcel = null;
            }
        }

<OBJECT id="MyZipLib"  CLASSID="CLSID:23676334-DBF4-4493-8F23-B15375FD923E" CODEBASE="/ActiveX/PBHelper/PBHelper.CAB#version=1,0,0,0"
VIEWASTEXT>
<PARAM NAME="_ExtentX" VALUE="159">
<PARAM NAME="_ExtentY" VALUE="159">
</OBJECT>

function AutomateExcel2(tableid) //读取表格中每个单元到EXCEL中
        {
            //如果不存在记录，则无需进行导出Excel操作
            var objTable = gridBar;
            if (objTable.rows.length < 3) return;
            var strHTML;
            strHTML = document.getElementById("MainTale").innerHTML;
            strHTML = "<meta http-equiv=‘Content-Type‘ content=‘text/html;charset=gb2312‘>" + strHTML;
            strHTML = strHTML.replace(/(<img\s+src=[\"|\‘][:|.|\/|_|\w]*[\"|\‘]\s*>)/gi, "");
            strHTML = strHTML.replace(/\<input.*value=[\"|\‘]*([\S]*)[\‘|\"]*.*>[\s*\|&nbsp;]*<\/td\>/gi, "$1</td>");
            //debugger;
            MyZipLib.SaveToFile(strHTML);
        }