我需要帮助我正在使用 Spring 3 MVC 和 JSR303 进行表单验证。无论如何，在我工作之前，但不是在那之后停止工作。我创建了一个类来更简化地解析 JSON 格式 BindingResult 中的错误。现在我得到的是总是返回 false HasErrors getFieldErrors 总是空的，我没有收到错误。
我复制我的代码，看看你能不能帮帮我。
课堂留言
@Entity
@Table(name="messages")
public class Message
{
@Id
@GeneratedValue
@Column(name="id")
private long id;
@Column(name="name")
@NotEmpty(message="El Nombre es obligatorio") @Size(min=3, max=150, message="El Nombre debe tener entre 3 y 150 caracteres")
private String name;
@Column(name="email")
@NotEmpty(message="El Email es obligatorio") @Email(message="El Email no es válido")
private String email;
@Column(name="issue")
@NotEmpty(message="El Asunto es obligatorio") @Size(min=3, max=150, message="El Asunto debe tener entre 3 y 150 caracteres")
private String issue;
@Column(name="content")
@NotEmpty(message="El Mensaje es obligatorio") @Size(min=3, max=150, message="El Mensaje debe tener entre 3 y 150 caracteres")
private String content;
@Column(name="ip")
private String ip;
@Column(name="user_agent")
private String user_agent;
@Column(name="moment")
@Temporal(TemporalType.TIMESTAMP)
private Date moment;
@ManyToOne
@JoinColumn(name="message_status_id")
private @Valid MessageStatus messagestatus;
//getters and setters
类消息状态：
@Entity
@Table(name="message_status")
public class MessageStatus {
@Id
@GeneratedValue
@Column(name="id")
private int id;
@Column(name="name")
@NotEmpty(message="El Nombre es obligatorio") @Size(min=3, max=150, message="El Nombre debe tener entre 3 y 150 caracteres")
private String name;
@OneToMany(mappedBy="messagestatus") //nombre de la varible de la otra entidad
private Set<Message> messages;
类 MessageStatusDao：
@Repository
public class MessageStatusDao {
public MessageStatusDao()
{
}
@Transactional
public void save(MessageStatus m) {
Session s = HibernateUtil.getSession();
s.beginTransaction();
s.save(m);
}
@SuppressWarnings("unchecked")
@Transactional
public List<MessageStatus> list() {
Session s = HibernateUtil.getSession();
s.beginTransaction();
List<MessageStatus> ms = null;
try {
ms = (List<MessageStatus>)s.createQuery("from message_status").list();
} catch (HibernateException e) {
e.printStackTrace();
}
return ms;
}
@Transactional
public MessageStatus get(Integer id) {
Session s = HibernateUtil.getSession();
s.beginTransaction();
return (MessageStatus)s.get(MessageStatus.class, id);
}
@Transactional
public void remove(Integer id) {
Session s = HibernateUtil.getSession();
s.beginTransaction();
MessageStatus ms = (MessageStatus)s.get(MessageStatus.class, id);
s.delete(ms);
}
}
控制器：
@Controller
@RequestMapping("/contact")
public class Contact
{
@Autowired
private MessageStatusDao msDao;
@RequestMapping(method = RequestMethod.GET)
public String printContact(ModelMap model)
{
//Nombre de la vista a cargar
String view = new String("contact");
model.addAttribute("view", view);
model.addAttribute("message", new Message());
return "main-layout";
}
@RequestMapping(value = "/add", method = RequestMethod.POST)
public @ResponseBody FormResult addContact(@Valid Message message , BindingResult result, ModelMap model)
{
FormResult formResult = new FormResult(result.hasErrors(), result.getFieldErrors());
HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getRequest();
//Comprobarmos el captcha
String remoteAddr = request.getRemoteAddr();
ReCaptchaImpl reCaptcha = new ReCaptchaImpl();
reCaptcha.setPrivateKey("6LehfOgSAAAAAFFYsdBXXbbl4kp6s0J6GUErCDWU");
String challenge = request.getParameter("recaptcha_challenge_field");
String uresponse = request.getParameter("recaptcha_response_field");
ReCaptchaResponse reCaptchaResponse = reCaptcha.checkAnswer(remoteAddr, challenge, uresponse);
if(!reCaptchaResponse.isValid()) {
formResult.setHasErrors(true);
formResult.addFormError("captcha", "Código captcha no válido.");
}
//Si no hay errores guardamos el Mensaje
if(!formResult.isHasErrors()) {
message.setIp(request.getRemoteAddr());
message.setUser_agent(request.getHeader("user-agent"));
Date now = Calendar.getInstance().getTime();
message.setMoment(now);
//Se obtiene un MessageStatus y se asigna al mensaje
MessageStatus ms = msDao.get(1);
message.setMessagestatus(ms);
// Se obtiene la sesion y se guarda
Session s = HibernateUtil.getSession();
s.beginTransaction();
s.save(message);
s.getTransaction().commit();
s.close();
}
return formResult;
}
}
网页.xml：
<web-app id="WebApp_ID" version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<display-name>Spring Web MVC Application</display-name>
<servlet>
<servlet-name>bets-dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>bets-dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/bets-dispatcher-servlet.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
</listener>
</web-app>
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.omb</groupId>
<artifactId>bets</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>bets Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<spring.version>3.2.2.RELEASE</spring.version>
</properties>
<dependencies>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.2</version>
<scope>provided</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!-- Spring 3 dependencies -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>ejb3-persistence</artifactId>
<version>1.0.2.GA</version>
</dependency>
<!-- Hibernate Validator -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-annotations</artifactId>
<version>3.4.0.GA</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.5.2</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.4.GA</version>
<scope>compile</scope>
</dependency>
<!-- Jackson JSON Mapper -->
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.13</version>
</dependency>
<!-- reCaptcha -->
<dependency>
<groupId>net.tanesha.recaptcha4j</groupId>
<artifactId>recaptcha4j</artifactId>
<version>0.0.7</version>
</dependency>
</dependencies>
<build>
<finalName>bets</finalName>
</build>
</project>
调度程序-servlet.xml：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
<context:component-scan base-package="com.omb.bets.web.pages" />
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix">
<value>/WEB-INF/pages/</value>
</property>
<property name="suffix">
<value>.jsp</value>
</property>
</bean>
<bean id="properties" class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="locations">
<list><value>/WEB-INF/config.properties</value></list>
</property>
</bean>
<bean id="messagestatusdao" class="com.omb.bets.model.message.MessageStatusDao" />
<!-- Handles HTTP GET requests for /resources/** by efficiently serving up static resources in the ${webappRoot}/resources/ directory -->
<mvc:resources mapping="/assets/**" location="/assets/" />
<mvc:annotation-driven />
</beans>
联系人.jsp
<div id="form-section">
<form:form method="post" commandName="message" action="contact/add" class="form-horizontal">
<fieldset>
<legend>Contacto</legend>
<div id="name-control" class="control-group">
<form:label path="name" class="control-label control-label-small-margin" >Nombre:</form:label>
<div class="controls">
<form:input path="name" class="input-xlarge" placeholder="Nombre y apellidos..." />
<form:errors path="name" cssClass="error help-line" />
<label id="name-msg" class="help-inline form-error hide"></label>
</div>
</div>
<div id="email-control" class="control-group">
<form:label path="email" class="control-label control-label-small-margin" >Email:</form:label>
<div class="controls">
<form:input path="email" type="email" class="input-xlarge" placeholder="example@gmail.com" />
<form:errors path="email" cssClass="error" />
<label id="email-msg" class="help-inline form-error hide"></label>
</div>
</div>
<div id="issue-control" class="control-group">
<form:label path="issue" class="control-label control-label-small-margin" >Asunto:</form:label>
<div class="controls">
<form:input path="issue" class="input-xlarge" placeholder="Motivo del contacto..." />
<form:errors path="issue" cssClass="error" />
<label id="issue-msg" class="help-inline form-error hide"></label>
</div>
</div>
<div id="content-control" class="control-group">
<form:label path="content" class="control-label control-label-small-margin" >Mensaje:</form:label>
<div class="controls">
<form:textarea path="content" rows="3" class="input-xlarge" placeholder="Escribe tu consulta..." />
<form:errors path="content" cssClass="error" />
<label id="content-msg" class="help-inline form-error hide"></label>
</div>
</div>
<div id="captcha-control" class="control-group">
<label class="control-label control-label-small-margin">Captcha:</label>
<div id="captcha-controls" class="controls">
<%
ReCaptcha c = ReCaptchaFactory.newReCaptcha("6LehfOgSAAAAABo20sV7W7XJQW3Qx86LAdO6RAm7", "6LehfOgSAAAAAFFYsdBXXbbl4kp6s0J6GUErCDWU", false);
out.print(c.createRecaptchaHtml(null, null));
%>
<label id="captcha-msg" class="help-inline form-error hide"></label>
</div>
</div>
<div class="form-actions">
<button class="btn btn-primary pull-right" type="submit">Enviar!</button>
</div>
</fieldset>
</form:form>
</div> <!-- /.form-section -->
添加.js
$('form').on("submit", function(event){
event.preventDefault();
var $form = $(this);
// Desactivar boton
$.ajax({
url: $form.attr("action"),
type: 'POST',
data: $form.serialize(),
dataType: 'json',
cache: false
}).done(function(data){
//Borramos todos los errores, por si habia alguno de antes,
$form.find("label[id$='-msg']").html('').addClass('hide');
$form.find("div[id$='-control']").removeClass('error');
if(data.hasErrors){//Si hay errores de formulario
//Recorremos todos los errores
$.each(data.form_errors, function(key, value){
$('#'+value.name+'-control').addClass('error');
$('#'+value.name+'-msg').append('<br />' + value.message).removeClass('hide');
});
Recaptcha.reload();
}else {// Si no hay errores de formulario
$form.find("[class^='input']").val('');
$('#form-section').fadeOut("slow", function() {
$('#form-result').fadeIn("slow");
});
}
});
});
正如我之前所说，我现在返回一个错误，而不是因为他们没有得到任何异常。你能帮我吗？
非常感谢和最好的问候。