src/com/sanqing/servlet/CommitReply.java

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package com.sanqing.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.sanqing.bean.Employee;
import com.sanqing.bean.Message;
import com.sanqing.bean.Reply;
import com.sanqing.dao.MessageDAO;
import com.sanqing.dao.ReplyDAO;
import com.sanqing.factory.MessageDAOFactory;
import com.sanqing.factory.ReplyDAOFactory;

public class CommitReply extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException {
	request.setCharacterEncoding("gbk");//设置参数编码格式
	String replyContent = request.
				getParameter("replyContent");//获得输入的回复内容
	int messageID = Integer.parseInt(
			request.getParameter("messageID"));//获得消息编号
	ServletContext servletContext = getServletContext();
	RequestDispatcher dispatcher = null;
	//是哪个员工发布的回复
	Employee employee = (Employee) request.getSession().getAttribute("employee");
	if(employee == null) {
		request.setAttribute("error", "要进行回复必须首先进行身份识别");
		
	}else {
		if(replyContent == null || "".equals(replyContent)) { //如果用户没有输入标题
			request.setAttribute("error", "必须输入回复内容");
		}else {
			Reply replay = new Reply();
			replay.setReplyContent(replyContent);//设置回复内容
			replay.setMessageID(messageID);		//设置消息编号
			replay.setEmployeeID(employee.getEmployeeID());//设置回复人
			replay.setReplyTime(new Date());	//设置回复时间
			ReplyDAO replayDAO = ReplyDAOFactory.getReplyDAOInstance();
			replayDAO.addReplay(replay);		//完成消息回复的添加
		}
	}
	dispatcher = servletContext.getRequestDispatcher(
				"/GetMessage?messageID=" + messageID);//跳转回消息查看页
	dispatcher.forward(request, response);
}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doGet(request, response);
	}
}