addsubject.java

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package org.adam.servlet;

import java.io.IOException;

import java.util.List;

import javax.servlet.RequestDispatcher;
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.SubjectBean;
import org.adam.service.SubjectService;
import org.adam.tools.Factory;

@SuppressWarnings("serial")
public class AddSubject 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();
		int teacher_id=Integer.parseInt(new String(session.getAttribute("teacherID").toString()));
		String subjectname=request.getParameter("subjectname");
		String subjectcontext=request.getParameter("subjectcontext").replaceAll("\n", "<br>");
		SubjectBean subject=new SubjectBean();
		SubjectService subjectService=(SubjectService)Factory.getBeanName("subjectService");
		subject.setTeacher_id(teacher_id);
		subject.setSubjectname(subjectname);
		subject.setSubjectcontext(subjectcontext);
		subjectService.insertSubject(subject);
		List<SubjectBean> list=subjectService.getSubjectBeans(teacher_id);
		request.setAttribute("subject", list);
		RequestDispatcher dispatcher = request.getRequestDispatcher("loginsuccteacher.jsp");
		dispatcher.forward(request,response);	
	}

}