导出ecexl

function AllAreaExcel(divname)
   {
     var oXL = null;
   oXL = new ActiveXObject("Excel.Application");
     var oWB = oXL.Workbooks.Add();
     var oSheet = oWB.ActiveSheet; 
     var sel=document.body.createTextRange();
     sel.moveToElementText(divname);
     sel.select();
     sel.execCommand("Copy");
     oSheet.Paste();
     oXL.Visible = true;
   }