From 94e971bad93246e5e6730d3a8bb009a7d0595a5e Mon Sep 17 00:00:00 2001
From: ZengTao <2773468879@qq.com>
Date: 星期一, 11 九月 2023 17:32:47 +0800
Subject: [PATCH] 系统主界面添加点击理片笼显示玻璃信息,进行玻璃,出片操作

---
 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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