From 7c27613902468d8b5fa2d7d8813850ea0e24dd59 Mon Sep 17 00:00:00 2001
From: Xiajijian <1176061145@qq.com>
Date: Fri, 21 Aug 2026 11:39:51 +0800
Subject: [PATCH] 添加大华/海康 SDK 库文件

---
 ard-sample/src/main/java/com/ard/sample/annotation/service/impl/AnnotationServiceImpl.java |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/ard-sample/src/main/java/com/ard/sample/annotation/service/impl/AnnotationServiceImpl.java b/ard-sample/src/main/java/com/ard/sample/annotation/service/impl/AnnotationServiceImpl.java
index acafbf7..ee16970 100644
--- a/ard-sample/src/main/java/com/ard/sample/annotation/service/impl/AnnotationServiceImpl.java
+++ b/ard-sample/src/main/java/com/ard/sample/annotation/service/impl/AnnotationServiceImpl.java
@@ -76,4 +76,18 @@
         }
         return lambdaQuery().eq(AnnotationEntity::getDirectoryId, directoryId).list();
     }
+
+    /**
+     * 按标注ID获取详细信息(核心实现)
+     */
+    @Override
+    public AnnotationEntity getAnnotationById(String id) {
+        // 1. 参数校验
+        if (id == null || id.isEmpty()) {
+            log.error("按ID查询标注失败:标注ID为空");
+            return null;
+        }
+        // 2. MyBatis-Plus通用查询(根据主键ID查询)
+        return getById(id);
+    }
 }
\ No newline at end of file

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