JSP文法（12）——

js|文法 <jsp:useBean>

建立一個Bean執行個體並指定它的名字和作用範圍.


JSP 文法
<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>