randomnumberservlet.java

来自「sourse code of a very good book which is」· Java 代码 · 共 23 行

package coreservlets;  

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

/** Servlet that generates a random number, stores it in a bean,
 *  and forwards to JSP page to display it.
 */

public class RandomNumberServlet extends HttpServlet {
  public void doGet(HttpServletRequest request,
                    HttpServletResponse response)
      throws ServletException, IOException {
    NumberBean bean = new NumberBean(Math.random());
    request.setAttribute("randomNum", bean);
    String address = "/WEB-INF/mvc-sharing/RandomNum.jsp";
    RequestDispatcher dispatcher =
      request.getRequestDispatcher(address);
    dispatcher.forward(request, response);
  }
}