2-12自由编程
来源：2-12 自由编程
慕田峪209283
2020-02-17 11:02:45
package com.imooc.foreach;
import java.io.IOException;
import java.util.HashSet;
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 ForeachServlet
*/
@WebServlet("/foreach")
public class ForeachServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public ForeachServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
HashSet<String> set=new HashSet<String>();
set.add("January");
set.add("February");
set.add("March");
set.add("April");
set.add("May");
request.setAttribute("mon", set);
request.getRequestDispatcher("/foreach.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 var="m" items="${requestScope.mon}" varStatus="idx">
<h2>${idx.index + 1} - ${m}</h2>
</c:forEach>
</body>
</html>
1回答
-
好帮手慕酷酷
2020-02-17
同学你好，代码完成的很棒！继续努力！
如果我的回答解决了你的疑惑，请采纳！祝学习愉快！
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