SpringBoot 实现注解式数据校验(附源码)

package cn.utils; import cn.exception.MsgException; import org.hibernate.validator.HibernateValidator; import javax.validation.ConstraintViolation; import javax.validation.Validation; import javax.validation.Validator; import javax.validation.constraints.NotNull; import javax.validation.groups.Default; import java.util.Set; /** * @author yanglinfengkk * @version 1.0 * @description 业务对象数据校验工具类 */ public class ValidatedUtils { private final static Validator validator = Validation.byProvider(HibernateValidator.class).configure().addProperty("hibernate.validator.fail_fast", "true").buildValidatorFactory().getValidator(); public static <T> ValidResult validateBean(T t, Class<?>... groups) { ValidResult result = new ValidResult(); Set<ConstraintViolation<T>> violationSet = validator.validate(t, groups); boolean hasError = violationSet != null && violationSet.size() > 0; result.setHasErrors(hasError); if (hasError) { for (ConstraintViolation<T> violation : violationSet) { result.addError(violation.getPropertyPath().toString(), violation.getMessage()); } } return result; } /** * 校验bean的某一个属性 * * @param t * @param propertyName 属性名称 * @return ValidResult */ public static <T> ValidResult validateProperty(T t, String propertyName, Class<?>... groups) { ValidResult result = new ValidResult(); Class[] cls = null; if (groups.length == 0) { cls = new Class[]{Default.class}; } else { cls = groups; } Set<ConstraintViolation<T>> violationSet = validator.validateProperty(t, propertyName, cls); boolean hasError = violationSet != null && violationSet.size() > 0; result.setHasErrors(hasError); if (hasError) { for (ConstraintViolation<T> violation : violationSet) { result.addError(propertyName, violation.getMessage()); } } return result; } /** * 校验bean的某几个属性 * * @param t * @param args 属性名称 * @return ValidResult */ public static <T> ValidResult validateProperties(T t, @NotNull Class group, @NotNull String... args) { ValidResult result = new ValidResult(); Class[] cls = new Class[]{group}; for (String propertyName : args) { Set<ConstraintViolation<T>> violationSet = validator.validateProperty(t, propertyName, cls); boolean hasError = violationSet != null && violationSet.size() > 0; result.setHasErrors(hasError); if (hasError) { for (ConstraintViolation<T> violation : violationSet) { String errorMsg = violation.getMessage(); if (!errorMsg.isEmpty()) { result.addError(propertyName, violation.getMessage()); break; } } } } return result; } public static <T> void checkValidateBean(T t, Class group) { ValidResult validResult = validateBean(t, group); if (validResult.hasErrors()) { throw MsgException.paramsError(validResult.getErrors()); } } }