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Java/JSTL/URL - История изменений
2026-04-11T09:06:26Z
История изменений этой страницы в вики
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http://jexp.ru/index.php?title=Java/JSTL/URL&diff=6731&oldid=prev
Admin: 1 версия
2010-06-01T06:17:32Z
<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/URL&diff=6730&oldid=prev
в 18:01, 31 мая 2010
2010-05-31T18:01:44Z
<p></p>
<p><b>Новая страница</b></p><div>== JSTL Constructing URLs ==<br />
<br />
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<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
<%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %><%@ taglib uri="http://java.sun.ru/jstl/fmt" prefix="fmt" %><br />
<html><br />
<head><br />
<title>Create a URL</title><br />
</head><br />
<body><br />
<form method="POST"><br />
<table border="1" cellpadding="0" cellspacing="0"<br />
style="border-collapse: collapse" bordercolor="#111111"<br />
width="62%" id="AutoNumber1"><br />
<tr><br />
<td width="100%" colspan="2" bgcolor="#0000FF"><br />
<p align="center"><br />
<b><br />
<font color="#FFFFFF" size="4">URL<br />
</font><br />
</b><br />
</p><br />
</td><br />
</tr><br />
<tr><br />
<td width="47%">Enter a base URL:</td><br />
<td width="53%"><br />
<input type="text" name="url" size="20" <br />
value="http://www.jexp.ru"/><br />
</td><br />
</tr><br />
<br />
<tr><br />
<td width="47%">Eneter a value for parameter "parm1"</td><br />
<td width="53%"><br />
<input type="text" name="parm1" size="20" /><br />
</td><br />
</tr><br />
<br />
<tr><br />
<td width="47%">Eneter a value for parameter "parm2"</td><br />
<td width="53%"><br />
<input type="text" name="parm2" size="20"/><br />
</td><br />
</tr><br />
<tr><br />
<td width="47%">Eneter a value for parameter "parm3"</td><br />
<td width="53%"><br />
<input type="text" name="parm3" size="20"/><br />
</td><br />
</tr> <br />
<tr><br />
<td width="100%" colspan="2"><br />
<p align="center"><br />
<input type="submit" value="Submit" name="submit" /><br />
<input type="reset" value="Reset" name="reset" /><br />
</p><br />
</td><br />
</tr><br />
</table><br />
<p>&#160;</p><br />
</form><br />
<c:if test="${pageContext.request.method=="POST"}"><br />
<hr><br />
<c:url value="${param.url}" var="url"><br />
<c:param name="parm1" value="${param.parm1}"/><br />
<c:param name="parm2" value="${param.parm2}"/><br />
<c:param name="parm3" value="${param.parm3}"/><br />
</c:url><br />
<br/><b>The resulting URL is:</b><br />
<c:out value="${url}"/><br />
</c:if><br />
</body><br />
</html><br />
<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --><br />
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== JSTL: generate URL, add parameters to url and display the parameters ==<br />
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<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 />
<br />
<html><br />
<head><br />
<title>the c:url action (1)</title><br />
</head><br />
<body><br />
This page takes 3 values that you specify, and forwards them to another JSP.<br />
That JSP will create a URL to another page, that then extracts the<br />
parameters and displays them.<br />
<p /><br />
<form action="createURL.jsp" method="post"><br />
<table><br />
<tr><td>Enter name:</td><br />
<td><input type="text" name="name" /></td></tr><br />
<tr><td>Enter age:</td><br />
<td><input type="text" name="age" /></td></tr><br />
<tr><td>Enter gender:</td ><br />
<td><input type="text" name="gender" /></td></tr><br />
</table><br />
<input type="submit" value="Submit details" /><br />
</form><br />
</body><br />
</html><br />
//createURL.jsp<br />
<br />
<%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %><br />
<c:url value="displayValues.jsp" var="displayURL"><br />
<c:param name="nameParam" value="${param.name}" /><br />
<c:param name="ageParam" value="${param.age}" /><br />
<c:param name="genderParam" value="${param.gender}" /><br />
</c:url><br />
<html><br />
<head><br />
<title>the c:url action (2)</title><br />
</head><br />
<body><br />
This page receives the values you specified, and creates a URL that contains<br />
them.<br />
<p /><br />
The generated URL is <c:out value="${displayURL}" />. <p/><br />
Click to view the it.<br />
</body><br />
</html><br />
//displayValues.jsp<br />
<br />
<%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %><br />
<html><br />
<head><br />
<title>the c:url action (3)</title><br />
</head><br />
<body><br />
<h3>List of query string parameters:</h3><br />
<ul><br />
<c:forEach items="${param}" var="currentParam"><br />
<li><c:out value="${currentParam.key}" /><br />
= <c:out value="${currentParam.value}" /></li><br />
</c:forEach><br />
</ul><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<!-- end source code --></div>