From d93e68755f8a71029a5f2e96d2a470753348146f Mon Sep 17 00:00:00 2001
From: wu <731351411@qq.com>
Date: 星期一, 11 九月 2023 17:37:16 +0800
Subject: [PATCH] 增加实体类

---
 springboot-vue3/src/main/java/com/example/springboot/component/Plcalarm.java |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/springboot-vue3/src/main/java/com/example/springboot/component/Plcalarm.java b/springboot-vue3/src/main/java/com/example/springboot/component/Plcalarm.java
index 01d9ef1..91b1802 100644
--- a/springboot-vue3/src/main/java/com/example/springboot/component/Plcalarm.java
+++ b/springboot-vue3/src/main/java/com/example/springboot/component/Plcalarm.java
@@ -21,6 +21,11 @@
 
       List<Boolean> plclist = S7control.getinstance().ReadBits("DB104.DBx0.0", 40);
 
+      if(plclist==null){
+
+      }else{
+
+      
       JSONObject jsonObject = new JSONObject();
 
       jsonObject.append("params", plclist);
@@ -88,5 +93,6 @@
         }
       }
     }
+    }
   }
 }
\ No newline at end of file

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