From 913094fb264f6fdf3ee890231c85867c388e8e37 Mon Sep 17 00:00:00 2001
From: luxiaotao1123 <t1341870251@163.com>
Date: 星期一, 25 一月 2021 10:00:22 +0800
Subject: [PATCH] #
---
src/main/java/com/zy/core/thread/BarcodeThread.java | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/src/main/java/com/zy/core/thread/BarcodeThread.java b/src/main/java/com/zy/core/thread/BarcodeThread.java
index e6b8669..6c859db 100644
--- a/src/main/java/com/zy/core/thread/BarcodeThread.java
+++ b/src/main/java/com/zy/core/thread/BarcodeThread.java
@@ -41,7 +41,10 @@
// write("T".getBytes(), "T".length());
byte[] read = read(11, 200);
if (null != read) {
- barcode = new String(read);
+ String s = new String(read);
+ if (!Cools.isEmpty(s)) {
+ barcode = new String(read);
+ }
}
Thread.sleep(100);
} catch (SocketTimeoutException ignore) {
--
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