<!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator 1.0.2//EN" "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">
<validators>
    <field name="title">
        <field-validator type="required">
            <message>请输入帮助标题.</message>
        </field-validator>
        <field-validator type="stringlength">
            <param name="minLength">4</param>
            <param name="maxLength">20</param>
            <message>帮助标题长度为${minLength}~${maxLength}.</message>
        </field-validator>
    </field>
</validators>