JSP+MYSQL实现的影音系统

				
								ResultSet rs=stmt.executeQuery(sql); 
				   if(rs.next()){
				if((session.getValue("user")==null)&&(rs.getString("club")!=null)){
				%>
				alert('对不起！此为会员影片，请注册成我们的会员！');window.close();
									String downid="2";
					String url1="";
					if(downid.equals(request.getParameter("downid"))){
					 url1=rs.getString("filename1");
					}
				downid="3";
				if(downid.equals(request.getParameter("downid"))){
					url1=rs.getString("filename2");
					}
				downid="1";
				if(downid.equals(request.getParameter("downid"))){
					url1=rs.getString("filename");
					}
				  response.sendRedirect(url1); 
				
				}
				   }
				%>