<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