exitservlet.java

EJB的网上银行系统,非常具有参考价值

package bankonlinesystem.openaccount.controller;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;

public class exitServlet extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";

    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        response.setContentType(CONTENT_TYPE);
        PrintWriter out = response.getWriter();
        //得到所有会话，销毁后转发到登录页
        HttpSession session = request.getSession();
        session.invalidate();
        System.out.println("得到所有会话，销毁后转发到登录页");
        response.sendRedirect("/WebModule/index.jsp");

        out.close();
    }

    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        doGet(request, response);
    }

    //Clean up resources
    public void destroy() {
    }
}