ajax异步请求

function sel(){
	 var xiangmuname=$("#deptxiangmu").val();
	 var deptleixing=$("#deptleixing").val();
	 var rq=$("#rq").val();
	 var key=$("#key").val();
	 var Url=whirRootPath+"/sjgl!selectZiListDATA.action";
	
	 $.ajax({
        type: "post",
        url: Url,
		<%if(noticeid!=null&&!"".equals(noticeid)){%>
		   data: {xiangmuname:xiangmuname,deptleixing:deptleixing,rq:rq,noticeid:<%=noticeid%>},
		<%}else{%>
		 data: {xiangmuname:xiangmuname,deptleixing:deptleixing,rq:rq}, 
		<%}%>
      
        async: true,
	    dataType: 'json',
        success: function (data)
        { var aa=data["fankui"];}
           });



}