例如,我有一个JSF页面:
<h:form>
<h:inputText value= "#{person.name} "/>
//...
<h:commandButton>
<f:actionListener type= "PersonListener "/>
</h:commandButton>
</h:form>
这里有个Bean,已经在config中注册了:
public class Person{
//...
}
现在使用一个ActionListener,那在这个类中如何获取Person的实例呢(使用myfaces)?
public PersonListener implements ActionListener{
public void processAction(ActionEvent event){
//how could I get the person instance in the above jsf page?
}
}
------解决方案--------------------
public PersonListener implements ActionListener{
public void processAction(ActionEvent event){
FacesContext context = FacesContext.getCurrentInstance();
ValueBinding binding =
context.getApplication().createValueBinding( "#{person} ");
Person person = (Person) binding.getValue(context);
}
}
------解决方案--------------------
为何你的程序与JSF耦合得如此强?
------解决方案--------------------
jsp调用Bean.比较直接一点,就用getXXX()获取,,,setXXX赋值..
或者,直接用jsp标签..
别把问题想复杂了.
------解决方案--------------------
to ochinchina() :
我是个新手,对这个不太熟悉。那你认为该如何做才能降低耦合度呢?谢谢!