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Java/JSTL/Collections - История изменений
2026-04-11T09:14:59Z
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Admin: 1 версия
2010-06-01T06:17:17Z
<p>1 версия</p>
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<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 06:17, 1 июня 2010</td>
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Admin
http://jexp.ru/index.php?title=Java/JSTL/Collections&diff=6690&oldid=prev
в 18:01, 31 мая 2010
2010-05-31T18:01:44Z
<p></p>
<p><b>Новая страница</b></p><div>== JSTL Iteration over tokens ==<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %><br />
<html><br />
<head><br />
<title>Updatable Collections</title><br />
</head><br />
<body><br />
<table border="0"><br />
<form method="post"><br />
<tr bgcolor="blue"><br />
<td><br />
<p align="center"><br />
<b><br />
<font color="#FFFFFF">Parse for Tokens</font><br />
</b><br />
</p><br />
</td><br />
</tr><br />
<tr><br />
<td valign="top"><br />
<p align="left">Enter a sentence:<br />
<br /><br />
<input width="20" maxwidth="20" name="text"<br />
size="50" /><br />
<br /><br />
&#160;</p><br />
</td><br />
</tr><br />
<tr><br />
<td valign="top"><br />
<p align="center"><br />
<input type="submit" name="parse" value="Parse" /><br />
</p><br />
</td><br />
</tr><br />
</form><br />
</table><br />
<c:if test="${pageContext.request.method=="POST"}"><br />
<table border="1"><br />
<c:set var="i" value="1" /><br />
<c:forTokens items="${param.text}" var="word"<br />
delims=" ,.?!"><br />
<c:set var="i" value="${i}" /><br />
<tr><br />
<td><br />
<b>Word <br />
<c:out value="${i}" /><br />
</b><br />
</td><br />
<td><br />
<c:out value="${word}" /><br />
</td><br />
</tr><br />
</c:forTokens><br />
</table><br />
</c:if><br />
</body><br />
</html><br />
<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --><br />
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== JSTL Modify a collection ==<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %><br />
<c:if test="${pageContext.request.method=="POST"}"><br />
<c:choose><br />
<c:when test="${param.add!=null}"><br />
<c:if test="${list!=null}"><br />
<c:set var="list" value="${list}," scope="session" /><br />
</c:if><br />
<c:set var="list" value="${list}${param.item}"<br />
scope="session" /><br />
</c:when><br />
<c:when test="${param.remove!=null}"><br />
<c:set var="list2" value="" /><br />
<c:forEach var="item" items="${list}"><br />
<c:if test="${item!=param.item}"><br />
<c:if test="${list2!=""}"><br />
<c:set var="list2" value="${list2}," /><br />
</c:if><br />
<c:set var="list2" value="${list2}${item}" /><br />
</c:if><br />
</c:forEach><br />
<c:set var="list" value="${list2}" scope="session" /><br />
<c:remove var="list2" /><br />
</c:when><br />
</c:choose><br />
</c:if><br />
<html><br />
<head><br />
<title>Updatable Collections</title><br />
</head><br />
<body><br />
<table border="0"><br />
<form method="post"><br />
<tr bgcolor="blue"><br />
<td colspan="2"><br />
<font color="white">Updatable Collections</font><br />
</td><br />
</tr><br />
<tr><br />
<td valign="top"><br />
<select NAME="choice" SIZE="5" width="20"><br />
<c:forEach var="item" items="${list}"><br />
<option><br />
<c:out value="${item}" /><br />
</option><br />
</c:forEach><br />
</select><br />
</td><br />
<td valign="top">Enter a item to add or remove.<br />
<br /><br />
<input width="20" maxwidth="20" name="item" size="20" /><br />
<br /><br />
<input type="submit" name="add" value="Add" /><br />
<input type="submit" name="remove" value="Remove" /><br />
</td><br />
</tr><br />
</form><br />
</table><br />
</body><br />
</html><br />
<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --><br />
<br />
<br />
<br />
<br />
<br />
<br />
== String Collection Examples ==<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %><br />
<html><br />
<head><br />
<title>String Collection Examples</title><br />
</head><br />
<body><br />
<h3>String Collection Example</h3><br />
<c:set var="str"<br />
value="Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday" /><br />
<b>Input String:</b><br />
<br /><br />
<br /><br />
<c:out value="${str}" /><br />
<br /><br />
<br /><br />
<b>Iterating:</b><br />
<br /><br />
<br /><br />
<c:forEach var="day" items="${str}"><br />
<c:out value="${day}" /><br />
<br /><br />
</c:forEach><br />
</body><br />
</html><br />
<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --></div>