Struts的验证--Validator[6]

        <arg0 key="name" resource="false"/>

        <arg1 name="minlength"

          key="${var:minlength}"

          resource="false"/>

        <arg1 name="maxlength"

          key="${var:maxlength}"

          resource="fasle"/>

        <var>

          <var-name>minlength</var-name>

          <var-value>4</var-value>

        </var>

        <var>

          <var-name>maxlength</var-name>

          <var-value>16</var-value>