<JSP:useBean> 创建一个Bean实例并指定它的名字和作用范围.
JSP 语法
<jsp:useBean
id='beanInstanceName'
scope='page | request | session | application'
{
class='package.class' |
type='package.class' |
class='package.class' type='package.class' |
beanName='{package.class | <%= expression %>}' type='package.class'
}
{
/> |
> other elements </jsp:useBean>
}
例子
<jsp:useBean id='cart' scope='session' class='session.Carts' />
<jsp:setProperty name='cart' property='*' />
<jsp:useBean id='checking' scope='session' class='bank.Checking' >
<jsp:setProperty name='checking' property='balance' value='0.0' />
</jsp:useBean>
|