Validation 单个输入字段的自定义JSF验证器消息
对于不同的输入字段,我希望每个验证器都有不同的验证消息Validation 单个输入字段的自定义JSF验证器消息,validation,jsf,message,Validation,Jsf,Message,对于不同的输入字段,我希望每个验证器都有不同的验证消息 在JSF中,是否可能对每个输入字段的单个验证器(例如,)有不同的验证消息?有几种方法: 最简单的方法就是设置validatorMessage属性 <h:inputText ... validatorMessage="Please enter a number between 0 and 42"> <f:validateLongRange minimum="0" maximum="42" /> </h:i
在JSF中,是否可能对每个输入字段的单个验证器(例如,
)有不同的验证消息?有几种方法:
validatorMessage
属性
<h:inputText ... validatorMessage="Please enter a number between 0 and 42">
<f:validateLongRange minimum="0" maximum="42" />
</h:inputText>
与
<h:inputText ...>
<o:validator validatorId="javax.faces.Required" message="Please fill out this field" />
<o:validator validatorId="javax.faces.LongRange" minimum="0" maximum="42" message="Please enter a number between 0 and 42" />
</h:inputText>
public class MyLongRangeValidator extends LongRangeValidator {
public void validate(FacesContext context, UIComponent component, Object convertedValue) throws ValidatorException {
setMinimum(0); // If necessary, obtain as custom attribute as well.
setMaximum(42); // If necessary, obtain as custom attribute as well.
try {
super.validate(context, component, convertedValue);
} catch (ValidatorException e) {
String message = (String) component.getAttributes().get("longRangeValidatorMessage");
throw new ValidatorException(new FacesMessage(message));
}
}
}
<h:inputText ...>
<o:validator validatorId="javax.faces.Required" message="Please fill out this field" />
<o:validator validatorId="javax.faces.LongRange" minimum="0" maximum="42" message="Please enter a number between 0 and 42" />
</h:inputText>