工具类

package com.common;import com.common.SysException;import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import java.util.Set;
import java.util.stream.Collectors;/**1. @author: 0i773. @Description: 对象参数验证工具, 解决非controller层数据校验问题， @Validated、@Valid*/
public class ValidationUtils {private static final Validator validator;static {validator = Validation.buildDefaultValidatorFactory().getValidator();}/*** 校验对象** @param object 待校验对象* @param groups 待校验的组* @throws SysException 校验不通过，则报业务异常*/public static void validateEntity(Object object, Class<?>... groups) {Set<ConstraintViolation<Object>> constraintViolations = validator.validate(object, groups);if (!constraintViolations.isEmpty()) {String msg = constraintViolations.stream().map(ConstraintViolation::getMessage).collect(Collectors.joining("||"));throw new SysException(AppErrorCode.MESSAGE_NULL, msg);}}
}

参数校验具体测试

实体类中使用 @Validated、@Valid 注解即可实现