servlet的,不懂,请各位指教
<% if (roomsinfo.roomsinfo_search(request)) {
for (int i=0;i<roomsinfo.getroomsinfolist().size();i++){
roomsinfo bk = (roomsinfo) roomsinfo.getroomsinfolist().elementAt(i);
if(roomsinfo.getrecordCount()<1){
%> <%
}else{
%>运行错误。为什么?和servlet有关吗?怎么写?