2-12自由编程

来源：2-12 自由编程

RobinZang

2019-09-28 15:46:13

package com.imooc.jstl;

import java.io.IOException;
import java.util.HashSet;
import java.util.Set;

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

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		Set<String> set = new HashSet<String>();
		set.add("January");
		set.add("February");
		set.add("March");
		set.add("April");
		set.add("May");
		request.setAttribute("months", set);
		request.getRequestDispatcher("/month.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>
	<c:forEach items="${requestScope.months}" var="m" varStatus="idx">
		<h2>${idx.index + 1}.${m}</h2>
	</c:forEach>
</body>
</html>

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