📄 jsp-set1-right-12.htm
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<title>csdn_JSP语法(12)——<jsp:useBean> </title>
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<div align="center"><font>JSP语法(12)——<jsp:useBean>
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<p><jsp:useBean> </p>
<p>创建一个Bean实例并指定它的名字和作用范围. </p>
<p><br>
JSP 语法<br>
<jsp:useBean </p>
<p>id="beanInstanceName" </p>
<p>scope="page | request | session | application" </p>
<p>{ </p>
<p>class="package.class" | </p>
<p>type="package.class" | </p>
<p>class="package.class" type="package.class" | </p>
<p>beanName="{package.class | <%= expression %>}" type="package.class"
</p>
<p>} </p>
<p> { </p>
<p>/> | </p>
<p>> other elements </jsp:useBean> </p>
<p>} </p>
<p>例子</p>
<p><jsp:useBean id="cart" scope="session" class="session.Carts"
/> </p>
<p><jsp:setProperty name="cart" property="*" />
</p>
<p><jsp:useBean id="checking" scope="session" class="bank.Checking"
> </p>
<p><jsp:setProperty name="checking" property="balance"
value="0.0" /> </p>
<p></jsp:useBean> </p>
<p></p>
<p></p>
<p></p>
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