JSR 303 - Bean Validation 简介及使用方法

参考:https://blog.csdn.net/xlgen157387/article/details/46848507

自己写的验证:

/**
 *
 * @ClassName:  BeanValidationUtils
 * @Description:
 * @Author: Sea
 * @Date: 14 Sep 2018 11:24:49 AM
 * @Copyright: 2018 ICIL All rights reserved.
 */
public class BeanValidationUtils {

  private static final Logger logger = LoggerFactory.getLogger(BeanValidationUtils.class);

  public static String getBeanValidate(Object obj) {

    logger.info("Enter into BeanValidationUtils ,start to do mandatory column checking ");
    String validationMessage = "";
    ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
    Validator validator = factory.getValidator();
    Set<ConstraintViolation<Object>> violations = validator.validate(obj);
    for (ConstraintViolation<Object> violation : violations) {
      if(violation.getMessage() != null && !"".equals(violation.getMessage())) {
          validationMessage += violation.getMessage()+" ; ";
          }
      }
    logger.info("Complete in BeanValidationUtils ,end of mandatory column checking ");
    return validationMessage;
  }

}