From d97742662f28a693e325ce163c5ebf57802efb63 Mon Sep 17 00:00:00 2001
From: 1 <1>
Date: 星期五, 05 十二月 2025 12:56:41 +0800
Subject: [PATCH] #读超长条码BUG修复

---
 src/main/java/com/zy/core/thread/SiemensDevpThread.java |   47 +++++++++++++++++++++++++++++++++++------------
 1 files changed, 35 insertions(+), 12 deletions(-)

diff --git a/src/main/java/com/zy/core/thread/SiemensDevpThread.java b/src/main/java/com/zy/core/thread/SiemensDevpThread.java
index 11c8aa7..0114b65 100644
--- a/src/main/java/com/zy/core/thread/SiemensDevpThread.java
+++ b/src/main/java/com/zy/core/thread/SiemensDevpThread.java
@@ -538,23 +538,13 @@
                     } else if(siteId<4000){
                         if (siteId == 2110) {
                             if (resultArm5.IsSuccess) {
-                                // 杞崲涓哄瓧绗︿覆
-                                String resultString = siemensS7Net.getByteTransform().TransString(resultArm5.Content, 2, 254,"UTF-8");
-                                // 鍘婚櫎鍙兘鐨勭┖瀛楃
-//                                resultString = resultString.TrimEnd('\0');
-//                                System.out.println("2110Barcode:"+resultString);
-                                staProtocol.setBarcode(resultString);
+                                staProtocol.setBarcode(parseS7String(resultArm5));
                             } else {
                                 staProtocol.setBarcode("");
                             }
                         } else if (siteId == 2120){
                             if (resultArm6.IsSuccess) {
-                                // 杞崲涓哄瓧绗︿覆
-                                String resultString = siemensS7Net.getByteTransform().TransString(resultArm6.Content, 2, 254,"UTF-8");
-                                // 鍘婚櫎鍙兘鐨勭┖瀛楃
-//                                resultString = resultString.TrimEnd('\0');
-//                                System.out.println("2120Barcode:"+resultString);
-                                staProtocol.setBarcode(resultString);
+                                staProtocol.setBarcode(parseS7String(resultArm6));
                             } else {
                                 staProtocol.setBarcode("");
                             }
@@ -1071,6 +1061,39 @@
         }
     }
 
+    private String parseS7String(OperateResultExOne<byte[]> result) {
+
+        if (result == null || !result.IsSuccess || result.Content == null) {
+            return "";
+        }
+
+        byte[] buf = result.Content;
+
+        if (buf.length < 2) {
+            return "";
+        }
+
+        // S7 瀛楃涓叉牸寮忥細
+        // buf[0] = 鏈�澶ч暱搴�
+        // buf[1] = 褰撳墠鐪熷疄闀垮害
+        int realLen = buf[1] & 0xFF;
+
+        if (realLen <= 0) {
+            return "";
+        }
+
+        // 闃叉 PLC 鍐欓敊闀垮害瀵艰嚧瓒婄晫
+        if (realLen > buf.length - 2) {
+            realLen = buf.length - 2;
+        }
+
+        String value = siemensS7Net.getByteTransform()
+                .TransString(buf, 2, realLen, "UTF-8");
+
+        return value == null ? "" : value.trim();
+    }
+
+
     /**
      * 璁剧疆鍏ュ簱鏍囪
      */

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