更新时间:2022-04-11 18:04:31
在某些情况下,当您需要将诸如ManagedBean,EJB等的bean注入Converter
或Validator
时,可以尝试将您的Converter
或Validator
注释为ManagedBean.例如,您可以尝试以下方法:
In several case, when you need to inject a bean such as ManagedBean, EJB, etc. into a Converter
or a Validator
, you can try annotating your Converter
or Validator
as a ManagedBean. For example, you can try this:
@ManagedBean
@RequestScoped
public class MyConverter implements Converter {
@EJB
private MrEJBBean mrEJBBean;
@ManagedProperty(value="#{mrsManagedBean}")
private MrsManagedBean mrsManagedBean;
@Override
public Object getAsObject(FacesContext context, UIComponent component, String value) {
// Convert to object
}
@Override
public String getAsString(FacesContext context, UIComponent component, Object value) {
// Convert to string
}
}
您可以查看此(例如Validator
上的示例).
You can take a look at this for an example on Validator
.