Servlet-forward转发

package com.pas.request;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class Servlet1 extends HttpServlet {

 public void doGet(HttpServletRequest request, HttpServletResponse response)
   throws ServletException, IOException {
  response.setContentType("text/html");
  response.setCharacterEncoding("gb2312");
  request.setCharacterEncoding("gb2312");
  PrintWriter out = response.getWriter();
  
  //接收用户名
  String u=request.getParameter("username");
  
  //放入Request域对象
  request.setAttribute("username", u);
  //使用转发的方法把Request 与 response对象传给下一个Servlet
  request.getRequestDispatcher("/Servlet2")
  .forward(request, response);
  
 }

 public void doPost(HttpServletRequest request, HttpServletResponse response)
   throws ServletException, IOException {

  this.doGet(request, response);
 }

}

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