转发和重定向的作用（转发和重定向的特点和区别）

转发和重定向的作用，原文标题：重定向和转发的特点。

package cn.itcast.servlet.web;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;/** * 重定向 * Servlet implementation class ResponseDemo1 */@WebServlet("/ResponseDemo1")public class ResponseDemo1 extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public ResponseDemo1() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletrequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("demo1..........."); //访问/ResponseDemo1，会自动跳转到/ResponseDemo2资源// //1.设置状态码为302// response.setStatus(302);// //2.设置响应头location// response.setHeader("location", "/Project3/ResponseDemo2"); //存值 request.setAttribute("msg", "response"); //简单的重定向方法 response.sendRedirect("/Project3/ResponseDemo2");// response.sendRedirect("https://www.baidu.com/baidu?tn=monline_7_dg&ie=utf-8&wd=百度 最佳女婿全文免费 阅读小说最新"); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doGet(request, response); }}

package cn.itcast.servlet.web;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;/** * Servlet implementation class ResponseDemo1 */@WebServlet("/ResponseDemo2")public class ResponseDemo2 extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public ResponseDemo2() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("demo2..........."); Object msg = request.getAttribute("msg"); System.out.println(msg); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doGet(request, response);// this.doGet(request, response); }} 本文《转发和重定向的作用（转发和重定向的特点和区别）》由网赚联盟（ wangzhuan.org.cn ）整理或原创，感谢您的阅读。

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