counter.java
package com.jht;
public class Counter {
private int count=0;
public int getCount()
{
return ++count;
}
}
t5.jsp
<body>
<!-- 創建一個session范圍的counter對象 -->
<jsp:useBean id="counter_session" class="com.jht.Counter" scope="session"/>
<!-- 創建一個application范圍的counter對象 -->
<jsp:useBean id="counter_application" class="com.jht.Counter" scope="application" />
作用域
<br>
session:
<jsp:getProperty name="counter_session" property="count" />
<br>
application:
<jsp:getProperty name="counter_application" property="count"/>
</body>
javaBean的作用域有page,request,session,application
posted on 2012-07-06 16:18
jhtchina 閱讀(268)
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servlet