From f911f720666f340bcdca69863e42bce5b372cd4c Mon Sep 17 00:00:00 2001 From: ‘liusuyi’ <1951119284@qq.com> Date: 星期五, 08 三月 2024 12:56:19 +0800 Subject: [PATCH] 增加报警引导成功websocket通知前端标识:70000 --- 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(); -- Gitblit v1.9.3