registservlet.java

来自「jsp的课程实践」· Java 代码 · 共 96 行

package StudentCourse.servlets;

import java.io.IOException;

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 javax.servlet.http.HttpSession;

import student.beans.Student;
import student.dao.StudentDAO;

public class RegistServlet extends HttpServlet {

	private StudentDAO stuDao;
	/**
	 * Constructor of the object.
	 */
	public RegistServlet() {
		super();
		stuDao=new StudentDAO();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @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 doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
         doPost(request,response);
	}

	/**
	 * 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 {
         RequestDispatcher rd=null;
         ServletContext sc=this.getServletContext();
         HttpSession session=request.getSession(true);
         String stuNum=request.getParameter("stuNum");
         String stuName=request.getParameter("stuName");
         String sex=request.getParameter("gender");
         String stuCollege=request.getParameter("stuCollege");
         String stuClass=request.getParameter("stuClass");
         String stuPass=request.getParameter("password1");
         Student student=new Student(stuNum,stuName,stuCollege,stuClass,stuPass,sex);
         boolean flag=stuDao.addStudent(student);
         if(flag==true)
         {
        	 session.setAttribute("student", student);
        	 request.setAttribute("error", "您已经成功的进行了注册,可以进行选课了！");
         }
         else
         {
        	 request.setAttribute("error", "业务异常，注册失败！请您重新注册");
         }
         rd=sc.getRequestDispatcher("/error.jsp");
         rd.forward(request, response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}