package com.lc.servlet; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.io.IOException; /** * ClassName: Cookie01Servlet * * @Author 爱扣钉-陈晨 * @Create 2024/2/23 9:22 * @Version 1.0 */ @WebServlet("/session02") public class Session02Servlet extends HttpServlet { @Override protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { resp.setContentType("text/html;charset=utf-8"); //获取session HttpSession session = req.getSession(); String key = (String) session.getAttribute("key"); System.out.println("==="+key); //重定向 resp.sendRedirect(req.getContextPath() + "/index.jsp"); } }