- <%@ page language="java" contentType="text/html; charset=UTF-8"
- pageEncoding="UTF-8"%>
- <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
- <%@ page import="java.util.*"%>
- <%@ page import="bean.User"%>
- <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
- <%
- int[] ages = { 1, 2, 3, 4, 5 }; // 普通数组,JSTL直接使用JSP赋值表达式来取
- List<String> names = new LinkedList<String>(); // List
- names.add("Biao");
- names.add("彪");
- names.add("雷");
- request.setAttribute("names", names); // 添加到request
- Set<String> set = new TreeSet<String>(); // Set
- set.add("One");
- set.add("One");
- set.add("Two");
- set.add("Three");
- set.add("Set");
- Map<String, String> map = new HashMap<String, String>(); // Map
- map.put("1", "黄彪");
- map.put("2", "丫头");
- map.put("3", "哥哥");
- map.put("4", "笨蛋");
- List<User> users = new ArrayList<User>(); // JavaBean的List
- users.add(new User("黄彪", "xxxxxx"));
- users.add(new User("昊天", "xxxxxx"));
- users.add(new User("姐姐", "yyyyyy"));
- users.add(new User("丫头", "zzzzzz"));
- session.setAttribute("users", users); // 添加到session
- %>
- <html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
- <title>Iterator Collections</title>
- <style type="text/css">
- table {
- border-collapse: collapse;
- border: 1px solid black;
- }
- td, th {
- border: 1px solid black;
- }
- tr:nth-child(even) {
- background: #eee;
- }
- </style>
- </head>
- <body>
- <center>
- 遍历数组:
- <c:forEach var="age" items="<%= ages %>">
- <c:out value="${age}" />
- </c:forEach>
- <br />
- 遍历List:
- <c:forEach var="name" items="<%= names %>">
- <c:out value="${name}" />
- </c:forEach>
- <br />
- 遍历List:
- <c:forEach var="name" items="${names}">
- <c:out value="${name}" />
- </c:forEach>
- <br />
- <br />
- 遍历Set:
- <c:forEach var="entry" items="<%= set %>">
- <c:out value="${entry}" />
- </c:forEach>
- <br />
- 遍历Map:
- <table>
- <tr>
- <th>Key</th>
- <th>Value</th>
- </tr>
- <c:forEach var="entry" items="<%= map %>">
- <tr>
- <td><c:out value="${entry.key}"/></td>
- <td><c:out value="${entry.value}"/></td>
- </tr>
- </c:forEach>
- </table>
- <br />
- 遍历UserBean的List:
- <table>
- <tr>
- <th>username</th>
- <th>password</th>
- </tr>
- <c:forEach var="user" items="${users}">
- <tr>
- <td><c:out value="${user.username}"/></td>
- <td><c:out value="${user.password}"/></td>
- </tr>
- </c:forEach>
- </table>
- </center>
- </body>
- </html>
jstl 遍历数组
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转载自javatea.iteye.com/blog/1940750
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