13.请求重定向

 

 

s1.java

package com.gyf.web.lesson13;

import java.io.IOException;

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

@WebServlet("/Lesson13Servlet1")
public class Lesson13Servlet1 extends HttpServlet{

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) 
            throws ServletException, IOException {
        
        //转发
        request.getRequestDispatcher("/Lesson13Servlet2").forward(request, response);
        
        //请求重定向
        //response.sendRedirect(request.getContextPath() + "/Lesson13Servlet2");
    }
}

 

s2.java

package com.gyf.web.lesson13;

import java.io.IOException;

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

@WebServlet("/Lesson13Servlet2")
public class Lesson13Servlet2 extends HttpServlet{

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) 
            throws ServletException, IOException {
        
        response.getWriter().write("data from servelt2");
    }
}