JavaWeb25.5【综合案例：退出系统功能】

header.html

1 <a href="javascript:location.href='exitServlet';">退出</a>

 

ExitServlet.java

 1 package cn.haifei.travel.web.servlet;
 2 
 3 import javax.servlet.ServletException;
 4 import javax.servlet.annotation.WebServlet;
 5 import javax.servlet.http.HttpServlet;
 6 import javax.servlet.http.HttpServletRequest;
 7 import javax.servlet.http.HttpServletResponse;
 8 import java.io.IOException;
 9 
10 @WebServlet("/exitServlet")
11 public class ExitServlet extends HttpServlet {
12     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
13         //1.销毁session
14         request.getSession().invalidate();
15         //2.跳转登录页面
16         response.sendRedirect(request.getContextPath()+"/login.html"); //response-redirect重定向时要加虚拟目录
17     }
18 
19     protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
20         this.doPost(request, response);
21     }
22 }
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posted @ 2021-07-11 11:37  yub4by  阅读(105)  评论(0)    收藏  举报