jsp:useBean(request)
[code="java]<%-- ************* RequestBean.jsp ************** --%>
scope="request"
class="bean.CounterBean"/>
<%--
<%
bean.CounterBean counterBean = (bean.CounterBean)request.getAttribute("counterBean");
if(counterBean == null) {
counterBean = new bean.CounterBean();
request.setAttribute("counterBean", counterBean);
}
%>
--%>
<% counterBean.setCount(100); %>
<%--
<% response.sendRedirect("RequestBean2.jsp"); %>
--%>
class="bean.CounterBean"/>
<%--
<%
bean.CounterBean counterBean = (bean.CounterBean)request.getAttribute("counterBean");
if(counterBean == null) {
counterBean = new bean.CounterBean();
request.setAttribute("counterBean", counterBean);
}
%>
--%>
CounterBean scope="request"Example
<% counterBean.setCount(100); %>
<%--
<% response.sendRedirect("RequestBean2.jsp"); %>
--%>
<%-- ************* RequestBean2.jsp ************** --%>
<jsp:useBean id="counterBean"
scope="request"
class="bean.CounterBean" />
<HTML>
<BODY>
<H3>CounterBean scope="request" Example</H3>
<B>Count:</B> <%= counterBean.getCount() %>
</BODY>
</HTML>//=================== CounterBean.java =================
package bean;
import java.io.Serializable;
@SuppressWarnings("serial")
public class CounterBean implements Serializable {
private int count = 0;
public CounterBean() {
}
public int getCount() {
count ++;
return count;
}
public void setCount(int count) {
this.count = count;
}
}