package com.genersoft.iot.vmp.gb28181.utils; import java.lang.annotation.*; /** * @author gaofuwang * @version 1.0 * @date 2022/6/28 14:58 */ @Target({ElementType.FIELD}) @Retention(RetentionPolicy.RUNTIME) @Documented public @interface MessageElement { String value(); String subVal() default ""; }