使用 XML 进行 struts 验证

这是我的操作类

public class DoctorsController extends ActionSupport implements ModelDriven<Doctor> {
private DoctorDao docDao = new DoctorDaoImpl();
private List<Doctor> listDoc = new ArrayList<Doctor>();
 private Doctor doc = new Doctor();
public List<Doctor> getListDoc() {
    return listDoc;
}
public void setListDoc(List<Doctor> listDoc) {
    this.listDoc = listDoc;
}

public String excute() throws Exception {
    return SUCCESS;
}
public String getDoctorView() {
    return SUCCESS;
}
public Doctor getDoc() {
    return doc;
}
public void setDoc(Doctor doc) {
    this.doc = doc;
}

public String addDoctor() {
    this.docDao.addDoctor(this.doc);
    listDoc = docDao.listDoctor();
    return SUCCESS;
}
@Override
public Doctor getModel() {
    return doc;
}
public DoctorDao getDocDao() {
    return docDao;
}
public void setDocDao(DoctorDao docDao) {
    this.docDao = docDao;
}

}

这是我在数据库中保留医生的形式

<html>
<head>
</head>
<body>
    <s:form action="saveDoctor" method="post">
        <table>  
            <s:push value="doc">
                <s:hidden name="id"  />
                <s:textfield name="firstName" label="First Name" />
                <s:textfield name="lastName" label="Last Name" />

                <s:textfield name="email" label="Email" />
                <s:textfield name="fees" label="Fees" />
        <s:select name="specialist" list="#@java.util.LinkedHashMap@{'Bone':'Bone','Heart':'Heart'}" />
                <s:textfield name="chamber.city" label="City" />
                 <s:textfield name="chamber.zipCode" label="ZipCode" />
                 <s:textfield name="chamber.roadNum" label="Road Num" />
                 <s:textfield name="chamber.houseNum" label="House Num" />


           <s:submit/>
            </table>     
            </s:push>
    </s:form>
  </body>
</html>

这是我的医生控制器验证.xml用于验证医生的电子邮件

<validators>
 <field name="doc.email">
    <field-validator type="requiredstring">
        <message>Email can't be blank</message>
    </field-validator>
 </field>
</validators>

现在验证工作正常，因为如果"电子邮件"字段为空，操作将重定向到输入表单，但问题是我在输入表单中看不到任何验证消息。我应该看到一条消息，例如"电子邮件不能为空白"，但我看不到它。

试试这个

   <form name="doc">
       <field property="email" depends="required,email">
            <arg key="doc.email"/>
        </field>
        <field property="firstName" depends="required">
            <arg key="doc.firstName"/>
        </field>
    </form>

这段代码对我有用.

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