JSP中JSTL核心标签库的<c:forEach>标签
JSP中JSTL核心标签库的<c:forEach>标签<c:forEach>标签为循环控制,其属性如下:
var:存放现在指到的成员;
items:被迭代的集合对象;
varStatus:存放现在指到的相关成员信息;
begin:开始位置;
end:结束位置;
step:每次迭代的间隔数;
user.jsp:
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1.<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
2.<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
3.<%@ page import="cn.edu.ahau.mgc.test.entity.*" %>
4.<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
5.<html>
6.<head>
7. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
8. <title>User</title>
9.</head>
10.<body>
11. <h1>User</h1>
12.<c:if test="${!empty requestScope.users }">
13. <h1>UserList</h1>
14. <table border="1">
15. <tr>
16. <th>ID</th>
17. <th>Username</th>
18. <th>Password</th>
19. <th>Operate</th>
20. </tr>
21. <c:forEach items="${requestScope.users }" var="user">
22. <tr>
23. <td>${user.id }</td>
24. <td>${user.username }</td>
25. <td>${user.pwd }</td>
26. <td>
27. <input type="button" value="DEL"/>
28. <input type="button" value="Modify"/>
29. </td>
30. </tr>
31. </c:forEach>
32. </table>
33.</c:if>
34.</body>
35.</html>
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