replyaction.java

简易的java问答系统

package cn.netjava.action;

import java.io.UnsupportedEncodingException;

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

import cn.netjava.factory.*;
import cn.netjava.pojo.*;

/**
 * 回答问题动作处理类
 * 
 * @author XieChengmin
 * 
 */
public class ReplyAction implements Action {

	/**
	 * 回复问题动作处理
	 */
	public String execute(HttpServletRequest request,
			HttpServletResponse response) {
		try {
			request.setCharacterEncoding("GB18030");
		} catch (UnsupportedEncodingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		String answerContent = request.getParameter("answerContent");
		String questionIdStr = (String)request.getParameter("questionId");

		Answer a = new Answer();
		a.setAnswerContent(answerContent);
		int questionId = Integer.parseInt(questionIdStr);
		Question q = QuestionDAOFactory.getQuestionDAOInstance().queryById(
				questionId);

		a.setQ(q);
		Person p = (Person)request.getSession().getAttribute("userObj");
		a.setOther(p.getName());

		AnswerDAOFactory.getAnswerDAOInstance().add(a);

		return "/ViewDetailAction.netjava";

	}

}