Java/JSTL/Form TextField
Содержание
JSTL Form Action: Get TextField Value
<source lang="java">
<html>
<head> </head> <body> <form method="POST" action="form2.jsp">
|
Please Login |
|
| User Name |
<input type="text" name="uid" size="20" /> |
| Password |
<input type="password" name="pwd" size="20" /> |
|
<input type="submit" value="Submit" name="action" /> <input type="reset" value="Reset" name="B2" /> |
|
</form>
Note: you may use any ID/Password, security is not checked.
</body>
</html> /////////////////////////////////////////////////////////// //File: form2.jsp <%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %> <html>
Welcome back <c:out value="${param.uid}" /> !
</html>
</source>
JSTL Form: Using TextField
<source lang="java">
<%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %> <c:if test="${pageContext.request.method=="POST"}">
<c:choose>
<c:when test="${param.add!=null}">
<c:if test="${list!=null}">
<c:set var="list" value="${list}," scope="session" />
</c:if>
<c:set var="list" value="${list}${param.item}"
scope="session" />
</c:when>
<c:when test="${param.remove!=null}">
<c:set var="list2" value="" />
<c:forEach var="item" items="${list}">
<c:if test="${item!=param.item}">
<c:if test="${list2!=""}">
<c:set var="list2" value="${list2}," />
</c:if>
<c:set var="list2" value="${list2}${item}" />
</c:if>
</c:forEach>
<c:set var="list" value="${list2}" scope="session" />
<c:remove var="list2" />
</c:when>
</c:choose>
</c:if> <html>
<head> <title>Updatable Collections</title> </head> <body>
Updatable Collections |
|
<select NAME="choice" SIZE="5" width="20">
<c:forEach var="item" items="${list}">
<option>
<c:out value="${item}" />
</option>
</c:forEach>
</select>
|
Enter a item to add or remove.
|
</body>
</html>
</source>
JSTL Submit Form TextField Action
<source lang="java">
<html>
<head> <title>Page Data Example</title> </head> <body>
First Name |
<input type="text" name="first" size="40" /> |
Last Name |
<input type="text" name="last" size="40" /> |
Address |
<input type="text" name="address" size="40" /> |
City |
<input type="text" name="city" size="20" /> |
State |
<input type="text" name="state" size="20" /> |
ZIP |
<input type="text" name="zip" size="20" /> |
<input type="submit" value="Submit" name="action" />
<input type="reset" value="Reset" name="action" />
|
|
</body>
</html> /////////////////////////////////////////////////////////////////////////// <%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %> <html>
<head> <title>Page Data Example</title> </head> <body>
Name
|
Value
|
<c:out value="${aItem.key}" />
|
<c:forEach var="aValue" items="${aItem.value}">
<c:out value="${aValue}" />
</c:forEach>
|
</body>
</html>
</source>
Property Access
<source lang="java">
<%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %> <html>
<head>
<title>Property Access</title>
</head>
<body>
<c:if test="${pageContext.request.method=="POST"}">
<c:set var="idx" value="name" />
param.name =
<c:out value="${param.name}" />
param[name] =
<c:out value="${param[idx]}" />
</c:if>
<form method="post">Please enter your name?
<input type="text" name="name" />
<input type="Submit" />
</form>
</body>
</html>
</source>
