struts_23_xwork校验器列表使用例子

required  必填校验器


<field-validator type="required">

       <message>性别不能为空!</message>

</field-validator>

requiredstring  必填字符串校验器


<field-validator type="requiredstring">

       <param name="trim">true</param>

       <message>用户名不能为空!</message>

</field-validator>

stringlength：字符串长度校验器



<field-validator type="stringlength">

    <param name="maxLength">10</param>

    <param name="minLength">2</param>

    <param name="trim">true</param>

    <message><![CDATA[产品名称应在2-10个字符之间]]></message>

</field-validator>

email：邮件地址校验器



<field-validator type="email">

    <message>电子邮件地址无效</message>

</field-validator>

regex：正则表达式校验器



<field-validator type="regex">

     <param name="expression"><![CDATA[^1[358]\d{9}$]]></param>

     <message>手机号格式不正确!</message>

</field-validator>

int：整数校验器



<field-validator type="int">

    <param name="min">1</param>

    <param name="max">150</param>

    <message>年龄必须在1-150之间</message>

</field-validator>

字段OGNL表达式校验器



<field name="imagefile">

    <field-validator type="fieldexpression">

        <param name="expression"><![CDATA[imagefile.length() <= 0]]></param>

        <message>文件不能为空</message>

    </field-validator>

</field>