package demoservllet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class Servlet01 extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
　　response.setStatus(302); //設置請求狀態 302重定向
　　response.setHeader("Location", "/WEB14/servlet02");//設置請求頭 Location固定的L大小寫都可以 url=（"/WEB14/servlet02"）
　　}

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

package demoservllet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class Servlet02 extends HttpServlet {

　　public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
　　　　response.getWriter().write("hello haohao...");//頁眉打印的東西
　　}

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

servlet 相應頭重定向