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42 lines
1.3 KiB
42 lines
1.3 KiB
package com.utils;
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import java.util.Set;
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import javax.validation.ConstraintViolation;
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import javax.validation.Validation;
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import javax.validation.Validator;
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import com.entity.EIException;
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/**
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* Hibernate Validator 校验工具类
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*/
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public class ValidatorUtils {
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// 单例模式下的静态 Validator 实例
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private static final Validator VALIDATOR;
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static {
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// 初始化 Hibernate Validator 工厂
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VALIDATOR = Validation.buildDefaultValidatorFactory().getValidator();
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}
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/**
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* 校验对象是否符合约束条件
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*
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* @param object 待校验的对象
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* @param groups 校验组（可选），用于指定特定场景下的校验规则
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* @throws EIException 如果校验失败，则抛出自定义异常 EIException
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*/
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public static void validateEntity(Object object, Class<?>... groups)
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throws EIException {
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// 获取校验结果集
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Set<ConstraintViolation<Object>> violations = VALIDATOR.validate(object, groups);
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// 如果校验结果不为空，表示存在错误
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if (!violations.isEmpty()) {
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// 获取第一个校验错误信息
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ConstraintViolation<Object> violation = violations.iterator().next();
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// 抛出自定义异常并附带错误信息
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throw new EIException(violation.getMessage());
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}
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}
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}
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