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  • Hibernate Validator (JSR303)校验

    想搭建基于JSR303的项目环境,你需要如下4个构件:

    hibernate-validator-4.2.0.Final.jar

    slf4j-api-1.6.1.jar

    validation-api-1.0.0.GA.jar

    一个简单的POJO,其中采用如下效验规则:

    package com.test.request.bean;
    
    import java.util.Date;
    import javax.validation.constraints.Max;
    import javax.validation.constraints.Min;
    import javax.validation.constraints.NotNull;
    import javax.validation.constraints.Past;
    import javax.validation.constraints.Pattern;
    import javax.validation.constraints.Size;
    import org.hibernate.validator.constraints.Email;
    
    public class InfoBean 
    {
        @NotNull(message = "姓名不能为空!")
        @Min(value = 1, message = "Id只能大于等于1,小于等于10")
        @Max(value = 10, message = "Id只能大于等于1,小于等于10")
        private Integer id;
        
        @NotNull(message = "姓名不能为空!")
        @Size(min = 2, max = 4, message = "姓名长度必须在{min}和{max}之间")
        @Pattern(regexp = "[\u4e00-\u9fa5]+", message = "名称只能输入是中文字符")
        private String userName;
        
        @NotNull(message = "密码不能为空!")
        @Size(min = 6, max = 12, message = "密码长度必须在{min}和{max}之间")
        private String passWord;
        
        @NotNull(message = "日期不能为空!")
        @Past(message = "你只能输入过去的提起") 
        private Date birthday;
        
        @NotNull(message = "邮件不能为空!")
        @Email(message = "邮件格式不正确")
        private String email;
    
    此处省略set和get方法    
    }

    既然POJO也定义好了,我们还需要使用到ValidatorFactory来获取效验工厂实例,并帮助我们完成基础的效验步骤工作:

    package com.test.request.bean;
    
    import java.util.Date;
    import java.util.Set;
    
    import javax.validation.ConstraintViolation;
    import javax.validation.Validation;
    import javax.validation.Validator;
    import javax.validation.ValidatorFactory;
    
    import org.junit.Test;
    
    public class InfoBeanTest 
    {
        @Test
        public void test() throws Exception 
        {
            /* 创建效验工厂 */
            ValidatorFactory validatorFactory = Validation.buildDefaultValidatorFactory(); 
            Validator validator = validatorFactory.getValidator(); 
    
            /* 信息封装 */
            InfoBean infoBean = new InfoBean();
            infoBean.setId(-1);
            infoBean.setUserName("张三");
            infoBean.setPassWord("123456");
            infoBean.setEmail("test@test.com");
            infoBean.setBirthday(new Date());
            
            /* 将类型装载效验 */
            Set<ConstraintViolation<InfoBean>> set = validator.validate(infoBean); 
            for (ConstraintViolation<InfoBean> constraintViolation : set) 
                System.out.println("错误:" + constraintViolation.getMessage()); 
        }
    }
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  • 原文地址:https://www.cnblogs.com/yinghao/p/4775083.html
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