当组件使用ajax失去焦点而不是等待手动提交表单时,如何在输入组件上触发验证？
放一个< f：ajax event =“blur”>在UIInput组件中重新呈现< h：message>与相关组件相关联.
<h:inputText id="foo" value="#{bean.foo}" required="true">
<f:ajax event="blur" render="fooMessage" />
</h:inputText>
<h:message id="fooMessage" />
另见JSF 2.0 tutorial with Eclipse and Tomcat – the view和finetuning validation
