Java Tutorial/JSTL/Output
Содержание
Do Calculation in JSTL C:Out
<%@ page contentType="text/html" %>
<%@ taglib prefix="c" uri="http://java.sun.ru/jstl/core" %>
<html>
<head>
<title>JSP is Easy</title>
</head>
<body bgcolor="white">
<h1>JSP is as easy as ...</h1>
<%-- Calculate the sum of 1 + 2 + 3 dynamically --%>
1 + 2 + 3 = <c:out value="${1 + 2 + 3}" />
</body>
</html>
Output Default Value
<%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %>
<html>
<head>
<title>Out Default Examples</title>
</head>
<body>testit =
<c:out value="${testit}" default="Default Value" />
</body>
</html>
Output Form Default Value
<html>
<head><title>Create Person</title></head>
<body>
<h1>Enter your details</h1>
<form action="listPageParameters.jsp" method="post">
<table>
<tr><td>First name:</td> <td><input type="text" name="firstName" /></td></tr>
<tr><td>Last name:</td> <td><input type="text" name="lastName" /></td></tr>
<tr><td>Age:</td> <td><input type="text" name="age" /></td></tr>
</table>
<input type="submit" value="Submit details" />
</form>
</body>
</html>
Output Value
<%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %>
<html>
<head>
<title>Out Examples</title>
</head>
<body>
<h3>Out Example</h3>
10 * 3 =
<c:out value="${10*3}" />
<br />
</body>
</html>
Use JSTL C:Out
<source lang="java">
<%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %> <html>
<head> <title>Query String Example</title> </head> <body>Your favorite color is: <c:out value="${param.color}" />
Choose your favorite color: