package com.tianbo.warehouse.validate; import javax.validation.Constraint; import javax.validation.Payload; import java.lang.annotation.*; @Target({ElementType.METHOD,ElementType.FIELD,ElementType.ANNOTATION_TYPE}) @Retention(RetentionPolicy.RUNTIME) @Constraint(validatedBy = CheckUserExistValidator.class ) @Documented /** * 检查用户重复注解 * @author mrz * */ public @interface CheckUserExist { String message() default ""; Class<?>[] groups() default {}; Class<? extends Payload>[] payload() default {}; }