c_set2.jsp

JavaWeb高级特性书中源代码

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=gb2312" %>
<%@ page import="java.util.HashMap" %>
<jsp:useBean id="user" class="org.it315.UserBean" />
<%	
	HashMap preferences = new HashMap();
	session.setAttribute("preferences",preferences);
%>
设置和输出UserBean对象的userName属性值:
<c:set value="zxx" target="${user}" property="userName" />
<c:out value="${user.userName}" /><br /><hr />
设置和输出UserBean对象的password属性值:
<c:set target="${user}" property="password" />
<c:out value="${user.password}" /><br /><hr />
设置和输出Map对象的color关键字的值:
<c:set target="${preferences}" property="color" value="${param.color}" />
<c:out value="${preferences.color}" />