import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class Demo2 extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //服务端通知浏览器3秒后转到目标页面 response.setHeader("refresh","3;url=/day04/my.html"); } }

http://localhost:8080/day04/Dome2