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MVC雏形。Servlet can call JSP using request dispatcher
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| package org.caucoder.controller; | |
| import org.caucoder.dao.StudentDataUtil; | |
| import org.caucoder.pojo.Student; | |
| import sun.misc.Request; | |
| import javax.servlet.RequestDispatcher; | |
| 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 java.io.IOException; | |
| import java.util.List; | |
| @WebServlet(name = "StudentController",value = "/student") | |
| public class StudentController extends HttpServlet { | |
| protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { | |
| // step 1: get student data from helper class(model) | |
| List<Student> students = StudentDataUtil.getStudents(); | |
| // step 2: add students to request object | |
| request.setAttribute("students",students); | |
| // step 3: get request dispatcher | |
| RequestDispatcher dispatcher = request.getRequestDispatcher("/view/studentsTwo.jsp"); | |
| // step 4: now forward to jsp | |
| dispatcher.forward(request,response); | |
| } | |
| } |
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| <%-- | |
| Created by IntelliJ IDEA. | |
| User: Q10Viking | |
| Date: 2019/10/4 | |
| Time: 11:47 | |
| To change this template use File | Settings | File Templates. | |
| --%> | |
| <%@ page contentType="text/html;charset=UTF-8" language="java" %> | |
| <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> | |
| <html> | |
| <head> | |
| <title>Students</title> | |
| </head> | |
| <body> | |
| <table> | |
| <tr> | |
| <th>First Name</th> | |
| <th>Last Name</th> | |
| <th>Email Name</th> | |
| </tr> | |
| <c:forEach var="student" items="${students}"> | |
| <tr> | |
| <td>${student.firstName} </td> | |
| <td>${student.lastName} </td> | |
| <td>${student.email} </td> | |
| </tr> | |
| </c:forEach> | |
| </table> | |
| </body> | |
| </html> |
Author
upangka
commented
Oct 4, 2019
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