Struts2验证不仅适用于正则表达式

Question

Struts2验证不仅适用于正则表达式

Acc*_*ivo 1 java regex validation jsp struts2

验证可以正常使用所需的字符串(和电子邮件,我测试了这些).但是当我尝试使用正则表达式时,验证没有任何效果.

<!DOCTYPE validators PUBLIC "-//Apache Struts//XWork Validator 1.0.3//EN"
        "http://struts.apache.org/dtds/xwork-validator-1.0.3.dtd">
<validators>
    <field name="cognome">
        <field-validator type="requiredstring">
            <param name="trim">true</param>
            <message>Cognome è un campo obbligatorio</message>
        </field-validator>
    </field>
    <field name="telefono">
        <field-validator type="requiredstring">
            <message key="errors.required" />
        </field-validator>
        <field-validator type="regex">
            <param name="expression">[0-9]{9,15}</param>
            <message>Il numero di telefono deve essere minimo di 9 cifre
            </message>
        </field-validator>
    </field>

</validators>

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telefono必须有9到15位数字.当字段丢失时会出现错误,如果我插入像"123"这样的telefono则没有错误.

jsp:

<%@ page language="java" contentType="text/html;"
     import="java.util.*,it.almaviva.bean.*,it.almaviva.delegate.*;"%>
<%@ taglib prefix="s" uri="/struts-tags"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<link href="${pageContext.request.contextPath}/css/stile1.css" rel="stylesheet" type="text/css" />
<title>Registrazione account</title>
</head>

<body>
<jsp:include page="header.jsp"/> 
<s:actionerror />

<s:form name="formDatiUtente" action="inviaRichiesta.action" method="post" theme="simple" validate="true">

<center>
<s:fielderror></s:fielderror>
<table width="48%" class="LISTA" border="0" cellPadding="3" cellSpacing="5" align="center">
                <tr>
                    <td width="35%">
                        <p class="testodx">
                            <s:text name="label.cognome" />
                        </p>
                    </td>
                    <td>
                        <p class="testosx">
                            <s:textfield name="cognome" id="idCognome"
                            size="30" value="%{anagraficaVDR.cognome}" />
                        </p>
                    </td>
                </tr>

                <tr>
                    <td>
                        <p class="testodx"><s:text name="label.telefono_Ufficio_reparto" /></p>
                    </td>
                    <td>
                        <s:textfield name="telefono" id="idTelefono_Ufficio_reparto" size="30" value="%{anagraficaVDR.telefono}"/>
                    </td>
                </tr>

</table>
<br>

<s:if test="!gestioneAmministratore">
    <s:submit method="execute" cssClass="bottone" key="label.invia" align="center" />
</s:if>    
</center>  

</s:form>
</body>
</html>

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另一个次要问题是如果我删除它: