Question

我在使用Hibernate Validator时遇到问题。我在代码中添加了@Size注释，但是当我在Tomcat服务器上运行应用程序时，我可以提交而无需填写文本字段。此代码有什么问题？

客户类别：

import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;

public class Customer {

    private String firstName;

    @NotNull(message="is required")
    @Size(min=1, message="is required")
    private String lastName;

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }
}

CustomerController类：

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.validation.Valid;

@Controller
@RequestMapping("/customer")
public class CustomerController {

    @RequestMapping("/showForm")
    public String showForm(Model theModel) {
        theModel.addAttribute("customer", new Customer());
        return "customer-form";
    }

    @RequestMapping("/processForm")
    public String processForm(
            @Valid @ModelAttribute("customer") Customer theCustomer, BindingResult theBindingResult) {

        if (theBindingResult.hasErrors()) {
            return "customer-form";
        } else {
            return "customer-confirmation";
        }
    }
}

dispatcher-servlet.xml

 <?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:util="http://www.springframework.org/schema/util"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd">

    <!-- Add support for scanning countries from file -->
    <util:properties id="countryOptions" location="WEB-INF/countries.properties" />

    <!-- Step 3: Add support for component scanning -->
    <context:component-scan base-package="com.rafal.springdemo" />

    <!-- Step 4: Add support for conversion, formatting and validation support -->
    <mvc:annotation-driven/>

    <!-- Step 5: Define Spring MVC view resolver -->
    <bean
            class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/view/" />
        <property name="suffix" value=".jsp" />
    </bean>

</beans>

customer-form.jsp

   <%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Customer Registration Form</title>
    <style>
        .error {color:red}
    </style>
</head>
<body>
    <form:form action="processForm" modelAttribute="customer" >

        First name: <form:input path="firstName" />

        <br><br>

        Last name (*): <form:input path="lastName" />
        <form:errors path="lastName" cssClass="error" />

        <br><br>

        <input type="submit" value="Submit" />

    </form:form>




</body>
</html>

以及lib文件夹和项目结构的屏幕截图。

Content of lib directory

Project structure and dependencies

Answer 1

您可能需要在xml中添加以下bean定义。

<bean id="validator" class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean"/>

OR

对于自定义错误消息，您需要在资源文件夹中创建 message.properties ，并使用ResourceBundleMessageSource

<!-- bind your messages.properties -->
<bean class="org.springframework.context.support.ResourceBundleMessageSource"
    id="messageSource">
    <property name="basename" value="messages" />
</bean>

Answer 2

您尝试放置

 <!-- Hibernate Validator -->
  <dependency>
    <groupId>org.hibernate</groupId>
    <artifactId>hibernate-validator</artifactId>
     <version>5.4.1.Final</version>
 </dependency>

在您的pom.xml中？

Answer 3

我使用了hibernate-validator-5.1.3.Final罐，它对我有用。我在使用6时遇到了同样的问题。

Answer 4

重新启动 IntelliJ 为我解决了这个问题。真的。我生命中的 25 分钟我再也回不去了。

Answer 5

我遇到了同样的问题。

我的解决方案是使用旧版本的 Hybernate 验证器。问题是他们将包名更改为 jakarta。而不是 javax。从 6.2 版开始，它给我带来了问题，因为 spring class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean" 仍在实现 javax.validation.ValidatorFactory

Hibernate Validator批注不适用于Spring MVC

5 个答案: