How to access Composite Component attribute values in the backing UIComponent?

问题

We can access the Composite Component attribute values (defiled in the interface section), in the implimentation like #{cc.attrs.attributeName}

How can we access this value in the backing component?

回答1:

It's just available inside any of the methods by the inherited getAttributes() method which returns a Map<String, Object> with the attribute name as map key and attribute value as map value.

Bar bar = (Bar) getAttributes().get("bar");
// ...

来源：https://stackoverflow.com/questions/6888808/how-to-access-composite-component-attribute-values-in-the-backing-uicomponent