loginservlet.java

基于Spring2.5的精品课程网站

package org.adam.servlet;

import java.io.IOException;

import java.util.List;


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.StudentBean;
import org.adam.bean.SubjectBean;
import org.adam.bean.TeacherBean;
import org.adam.service.StudentService;
import org.adam.service.SubjectService;
import org.adam.service.TeacherService;

import org.adam.tools.Factory;
@SuppressWarnings("serial")
public class LoginServlet 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 email=request.getParameter("email");
		String password=request.getParameter("password");
		String status=request.getParameter("status");
		if("teacher".equals(status)){
			TeacherService teacher=(TeacherService)Factory.getBeanName("teacherService");
			TeacherBean t=new TeacherBean();
			t.setTeacheremail(email);
			t.setTeacherpass(password);
			int result=teacher.loginInformation(t);
			if(result!=0){
				//System.out.println(result);
				SubjectService subject=(SubjectService)Factory.getBeanName("subjectService");
				List<SubjectBean> list=subject.getSubjectBeans(result);
				//request.setAttribute("subject", list);
				session.setAttribute("subject", list);
				session.setAttribute("teacherID", result);
				session.setAttribute("username", email);
				//RequestDispatcher dispatcher = request.getRequestDispatcher("loginsuccteacher.jsp");
				//dispatcher.forward(request,response);	
				response.sendRedirect("/GoodSubject/index");
			}else if(result==0){
				response.sendRedirect("loginerror.jsp");
			}
		}else if("student".equals(status)){
			StudentService student=(StudentService)Factory.getBeanName("studentService");
			StudentBean s=new StudentBean();
			s.setStudentemail(email);
			s.setStudentpass(password);
			int result=student.login(s);
			if(result!=0){
				TeacherService teacherService=(TeacherService)Factory.getBeanName("teacherService");
				List<TeacherBean> list=teacherService.getAllTeachers();
				session.setAttribute("teacherinfo", list);
				session.setAttribute("studentID", result);
				//RequestDispatcher dispatcher = request.getRequestDispatcher("loginsuccstu.jsp");
				//dispatcher.forward(request,response);	
				response.sendRedirect("/GoodSubject/index");
			}else if(result==0){
				response.sendRedirect("loginerror.jsp");
			}
		}
	}

}