displayallaction.java

简易的java问答系统

package cn.netjava.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import cn.netjava.factory.*;
import cn.netjava.pojo.*;
import java.util.*;

/**
 * 显示全部问题的动作处理类
 * 
 * @author XieChengmin
 * 
 */
public class DisplayAllAction implements Action {

	/**
	 * 重写execute 处理显示全部问题这个动作
	 */
	public String execute(HttpServletRequest request,
			HttpServletResponse response) {

		request.getSession(true).setAttribute("allQuestions",
				(ArrayList<Question>)QuestionDAOFactory.getQuestionDAOInstance().queryAll());

		return "/main.jsp";
	}

}