u01d42action.java

持久层hibernate技术使用的一个例子

package cn.hope.front.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;


import org.apache.log4j.Logger;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;


import cn.hope.front.form.U01D42form;
import cn.hope.front.pojo.Student;

public class U01D42action extends Action{
	

Logger log = Logger.getLogger(U01D42action.class.getName());
	
	public ActionForward execute(
			ActionMapping mapping,
			ActionForm form,
			HttpServletRequest request,  
			HttpServletResponse response) throws Exception {
		
			U01D42form dyform = (U01D42form) form;         
			String question = (String)dyform. getQuestion();
			Student student=null;
			HttpSession session=request.getSession();
		 student=(Student)session.getAttribute("D4");
		
		
		
		if (!student.getSQuestion().equals(question)) {//不成立就是失败。			
			ActionMessages errors = new ActionMessages();
			errors.add(ActionMessages.GLOBAL_MESSAGE,
				new ActionMessage("U01label.deny"));
				
			if (!errors.isEmpty()) {
				saveErrors(request, errors);
			}					
  			return  mapping.findForward("failed"); //登陆失败
		}
		else{
		
 	   		return mapping.findForward("D42");//登陆成功					
		}
	}

}