//package com.demo; // //import java.io.*; //import javax.servlet.*; //import javax.servlet.http.*; //import javax.servlet.annotation.WebServlet; // //@WebServlet("/secondservlet") // 修改映射路径 //public class SecondServlet extends HttpServlet { // private static final long serialVersionUID = 1L; // // @Override // public void doGet(HttpServletRequest request, HttpServletResponse response) // throws ServletException, IOException { // doPost(request, response); // } // // @Override // public void doPost(HttpServletRequest request, HttpServletResponse response) // throws ServletException, IOException { // response.setContentType("text/html;charset=UTF-8"); // PrintWriter out = response.getWriter(); // // Student stud = (Student)request.getAttribute("stud"); // // out.println(""); // out.println("
"); // // if (stud != null) { // out.println("学号:" + stud.getSno() + "
"); // out.println("姓名:" + stud.getName() + "
"); // } else { // out.println("错误:未能获取到学生信息
"); // } // // out.println("返回输入页面"); // out.println("
"); // out.println(""); // out.flush(); // out.close(); // } //} package com.demo; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import javax.servlet.annotation.WebServlet; @WebServlet("/SecondServlet") public class SecondServlet extends HttpServlet { public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 获取ServletContext中的Student对象 ServletContext context = getServletContext(); Student student = (Student) context.getAttribute("student"); // 设置响应内容类型 response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); // 输出学生信息 out.println(""); out.println("

学生信息

"); out.println("

学号:" + student.getSno() + "

"); out.println("

姓名:" + student.getName() + "

"); out.println("返回输入页面"); out.println(""); } }