1) JSTL ForEach Tag
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>JSTL: Iterator Support -- Simple Range Iteration Example</title>
</head>
<body bgcolor="#FFFFFF">
<h3>Simple Range Iteration</h3>
<h4>1 to 10</h4>
<c:forEach var="i" begin="1" end="10">
${i} •
</c:forEach>
</body>
</html>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>JSTL: Iterator Support -- Iteration Status Example</title>
</head>
<body bgcolor="#FFFFFF">
<h3>Iteration Status</h3>
<h4>Using status information: current, index, count, first, last</h4>
<table border="1">
<tr>
<th>index</th>
<th>count</th>
<th>last name</th>
<th>first name</th>
<th>first?</th>
<th>last?</th>
</tr>
<c:forEach var="customer" items="${customers}" varStatus="status">
<tr>
<td><c:out value="${status.index}"/></td>
<td><c:out value="${status.count}"/></td>
<td><c:out value="${status.current.lastName}"/></td>
<td><c:out value="${status.current.firstName}"/></td>
<td><c:out value="${status.first}"/></td>
<td><c:out value="${status.last}"/></td>
</tr>
<c:if test="${status.last}">
<c:set var="count" value="${status.count}"/>
</c:if>
</c:forEach>
</table>
<p>There are <c:out value="${count}"/> customers in the list.
<p>
<h4>Iteration using range attributes</h4>
<c:forEach var="i" begin="100" end="200" step="5" varStatus="status">
<c:if test="${status.first}">
begin:<c:out value="${status.begin}">begin</c:out>
end:<c:out value="${status.end}">end</c:out>
step:<c:out value="${status.step}">step</c:out><br>
sequence:
</c:if>
<c:out value="${i}"/>
<c:if test="${status.last}">
<br>There are <c:out value="${status.count}"/> numbers in the list.
</c:if>
</c:forEach>
<p>
</body>
</html>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>JSTL: Iterator Support -- Data Types Example</title>
</head>
<body bgcolor="#FFFFFF">
<h3>Data Types</h3>
<h4>Array of primitives (int)</h4>
<c:forEach var="i" items="${intArray}">
<c:out value="${i}"/> •
</c:forEach>
<h4>Array of objects (String)</h4>
<c:forEach var="string" items="${stringArray}">
<c:out value="${string}"/><br>
</c:forEach>
<h4>Enumeration (warning: this only works until enumeration is exhausted!)</h4>
<c:forEach var="item" items="${enumeration}" begin="2" end="10" step="2">
<c:out value="${item}"/><br>
</c:forEach>
<h4>Properties (Map)</h4>
<c:forEach var="prop" items="${numberMap}" begin="1" end="5">
<c:out value="${prop.key}"/> = <c:out value="${prop.value}"/><br>
</c:forEach>
<h4>String (Comma Separated Values)</h4>
<c:forEach var="token" items="bleu,blanc,rouge">
<c:out value="${token}"/><br>
</c:forEach>
</body>
</html>
2) JSTL If Tag
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>JSTL: Conditional Support -- Simple Conditional Execution Example</title>
</head>
<body bgcolor="#FFFFFF">
<h3>Simple Conditional Execution</h3>
<h4>Customers living in the USA</h4>
<c:forEach var="customer" items="${customers}">
<c:if test="${customer.address.country == 'USA'}">
${customer}<br>
</c:if>
</c:forEach>
</body>
</html>
3) JSTL Choose Tag
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>JSTL: Conditional Support -- Mutually Exclusive Conditional Execution Example</title>
</head>
<body bgcolor="#FFFFFF">
<h3>Mutually Exclusive Conditional Execution</h3>
<h4>USA:blue Canada:red Others:green</h4>
<c:forEach var="customer" items="${customers}">
<c:choose>
<c:when test="${customer.address.country == 'USA'}">
<font color="blue">
</c:when>
<c:when test="${customer.address.country == 'Canada'}">
<font color="red">
</c:when>
<c:otherwise>
<font color="green">
</c:otherwise>
</c:choose>
${customer}</font><br>
</c:forEach>
</body>
</html>
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