时间: 2021-07-31 作者:daque
<jsp:usebean> 创造一个bean范例并指定它的名字和效率范畴. 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>