JSF f:validateLongRange标记

用于检查组件的局部值是否在一定范围内。该值必须是可以转换为long的任何数字类型或String。

属性

验证输入标签示例

// index.xhtml

<h:form id="user-form">
<h:outputLabel for="name">Provide Amount to Withdraw  </h:outputLabel><br/>
<h:inputText id="age" value="#{user.amount}" validatorMessage="You can Withdraw only between $100 and $5000">
<f:validateLongRange minimum="100" maximum="5000" />
</h:inputText><br/>
<h:commandButton value="OK" action="response.xhtml"></h:commandButton>
</h:form>

// User.java

import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
@ManagedBean
@RequestScoped
public class User{
int amount;
public int getAmount() {
return amount;
}
public void setAmount(int amount) {
this.amount = amount;
}
}

输出：