switchpage.java

软件开发过程通常包括五个阶段：分析、设计、编码、测试和发布。如果在Web应用开发中套用现成的Struts框架

/*
 * SwitchPage.java
 *
 * Created on 2005年3月1日, 上午12:23
 */

package test.action;

import java.io.*;
import java.net.*;

import javax.servlet.*;
import javax.servlet.http.*;

import test.bean.WhoLogin;

/**
 *
 * @author Administrator
 * @version
 */
public class SwitchPage extends HttpServlet {
    
    /** Initializes the servlet.
     */
    public void init(ServletConfig config) throws ServletException {
        super.init(config);
        
    }
    
    /** Destroys the servlet.
     */
    public void destroy() {
        
    }
    
    /** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        String id = request.getParameter("id");
        String toPage;
        WhoLogin whoLogin = new WhoLogin();
        whoLogin.setId(id);
        if(whoLogin.getName().equals("your name is A")){
            toPage = "a.html";
        } else if(whoLogin.getName().equals("your name is B")){
            toPage = "b.html";
        } else if(whoLogin.getName().equals("your name is C")){
            toPage = "c.html";
        } else{
            toPage = "other.html";
        }
        getServletConfig().getServletContext().getRequestDispatcher("/" + toPage).forward(request,response);
    }
    
    /** Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }
    
    /** Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }
    
    /** Returns a short description of the servlet.
     */
    public String getServletInfo() {
        return "Short description";
    }
    
}