messageinsert.java

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package org.adam.servlet;

import java.io.IOException;

import java.text.SimpleDateFormat;
import java.util.Date;


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

import org.adam.bean.MessageBean;

import org.adam.service.impl.AOPServiceBean;

import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
@SuppressWarnings("serial")
public class MessageInsert extends HttpServlet {

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html;charset=gbk");
		request.setCharacterEncoding("GBK");
		response.setCharacterEncoding("GBK");
		HttpSession session=request.getSession();
		String title=request.getParameter("title");
		String message=request.getParameter("message").replaceAll("\n", "<br>");
		SimpleDateFormat formatter=new SimpleDateFormat("yyyy-MM-dd HH:mm");		
		Date date=new Date();
		String time=formatter.format(date);
		
		//AOPServiceBean aop=(AOPServiceBean)Factory.getBeanName("aopService");
		AbstractApplicationContext ctx=new ClassPathXmlApplicationContext("applicationContext.xml");
		AOPServiceBean aop=(AOPServiceBean)ctx.getBean("aopService");
		ctx.close();
		MessageBean m=new MessageBean();		
		
		//msg.insert(m);
		if(session.getAttribute("studentID")!=null){
			int student_id=Integer.parseInt(new String(session.getAttribute("studentID").toString()));
			int teacher_id=Integer.parseInt(new String(session.getAttribute("teacher_id").toString()));
			m.setTeacher_id(teacher_id);
			m.setStudent_id(student_id);
			m.setTime(time);
			m.setTitle(title);
			m.setMessage(message);
			aop.insertMessage(m);
//			RequestDispatcher dispatcher = request.getRequestDispatcher("/GoodSubject/LooAllMessage?teacher_id="+teacher_id+"&nowpage=0");
//			dispatcher.forward(request,response);
			response.sendRedirect("/GoodSubject/LookAllMessage?teacher_id="+teacher_id+"&nowpage=1");
		}else{
			aop.insertMessage(null);
		}
		
	}

}