From b3dbfe5ab42efc7e744df5a391a8568e1b7c2289 Mon Sep 17 00:00:00 2001
From: zhangnaisong <2434969829@qq.com>
Date: 星期五, 16 二月 2024 17:06:18 +0800
Subject: [PATCH] 无人机websocket客户端心跳保活提交
---
ard-work/src/main/java/com/ruoyi/utils/tools/ArdTool.java | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/ard-work/src/main/java/com/ruoyi/utils/tools/ArdTool.java b/ard-work/src/main/java/com/ruoyi/utils/tools/ArdTool.java
index 6c3522b..674b0de 100644
--- a/ard-work/src/main/java/com/ruoyi/utils/tools/ArdTool.java
+++ b/ard-work/src/main/java/com/ruoyi/utils/tools/ArdTool.java
@@ -46,7 +46,7 @@
* @return
*/
public static String getKeyByMinValue(Map<String, Double> map) {
- if (map == null) return null;
+ if (map == null||map.size()==0) return null;
List<Map.Entry<String, Double>> list = new ArrayList(map.entrySet());
Collections.sort(list, (o1, o2) -> (o1.getValue().intValue() - o2.getValue().intValue()));
String min = list.get(0).getKey();
--
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