使用AJAX的Struts验证框架

<field property="paternText"
       depends="required,mask">
       <arg0 key="label.paternText"/>
       <var>
        <var-name>mask</var-name>
        <var-value>^[0-9]{3}-[0-9]{2}$</var-value>
    </var>
</field>
<field property="minLength"
       depends="minlength">
     <arg0 key="label.minLength"/>
     <arg1 key="${var:minlength}" resource="false"/>
     <var>
          <var-name>minlength</var-name>
          <var-value>5</var-value>
      </var>
</field>

<field property="maxLength"
       depends="maxlength">
       <arg0 key="label.maxLength"/>
       <arg1 key="${var:maxlength}" resource="false"/>
       <var>
            <var-name>maxlength</var-name>
            <var-value>5</var-value>
        </var>
</field>

<field property="email"
       depends="email">
        <arg0 key="label.email"/>
</field>