2-13自由编程

package com.imooc.notice;

public class Notice {
	private String id;
	private String name;
	public Notice(String id, String name) {
		super();
		this.id = id;
		this.name = name;
	}
	public String getId() {
		return id;
	}
	public void setId(String id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	@Override
	public String toString() {
		return "Notice [id=" + id + ", name=" + name + "]";
	}
	
}

package com.imooc.notice;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

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 NoticeServlet
 */
@WebServlet("/nc")
public class NoticeServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public NoticeServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		List<Notice> list = new ArrayList<Notice>();
		list.add(new Notice("003","一定要多写代码，多练习呦！"));
		list.add(new Notice("002","欢迎学习Java Web课程！"));
		list.add(new Notice("001","欢迎来到慕课网！"));
		request.setAttribute("notices", list);
		request.getRequestDispatcher("/notice.jsp").forward(request, response);
	}

}

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<h1>公告展示</h1>
	<c:forEach items="${requestScope.notices}" var="n">
		<h2>${n.id}——${n.name}</h2>
	</c:forEach>
</body>
</html>

RobinZang 2019-09-28

源自：JSTL与EL表达式 2-13 自由编程