fix: correct targeted search logic for material/stock list to prevent unrelated results

inventory-backend/打印测试代码.py

@@ -0,0 +1,56 @@
+import socket
+
+# ================= 配置区域 =================
+PRINTER_IP = '192.168.9.89'
+PRINTER_PORT = 9100
+
+
+def print_barcode_no_text():
+    try:
+        # 1. 建立连接
+        client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        client.settimeout(5)
+        client.connect((PRINTER_IP, PRINTER_PORT))
+        print(f"✅ 已连接 {PRINTER_IP}")
+
+        # 2. 准备 TSPL 指令
+        commands = (
+            "SIZE 40 mm, 30 mm\r\n"
+            "GAP 2 mm, 0 mm\r\n"
+            "CLS\r\n"
+            "DIRECTION 1\r\n"
+
+            # 保持之前的居中设置 (向右偏移 3mm)
+            "REFERENCE 25, 0\r\n"
+
+            # --- 条形码 (不显示数字) ---
+            # 关键修改：第5个参数从 1 改为了 0
+            # BARCODE x,y,"128",height,human_readable(0=不显),rot,narrow,wide,"content"
+            "BARCODE 20,10,\"128\",80,0,0,2,2,\"00000002\"\r\n"
+
+            # --- 文本内容 (保持字号 3) ---
+            # 第一行 Y=110
+            "TEXT 0,110,\"3\",0,1,1,\"N:test01\"\r\n"
+            "TEXT 150,110,\"3\",0,1,1,\"S:test01\"\r\n"
+
+            # 第二行 Y=140
+            "TEXT 0,140,\"3\",0,1,1,\"T:test01\"\r\n"
+            "TEXT 150,140,\"3\",0,1,1,\"K:test01\"\r\n"
+
+            # 第三行 Y=170
+            "TEXT 0,170,\"3\",0,1,1,\"L:test01\"\r\n"
+            "TEXT 150,170,\"3\",0,1,1,\"B:test01\"\r\n"
+
+            "PRINT 1,1\r\n"
+        )
+
+        client.sendall(commands.encode('gbk'))
+        client.close()
+        print("✅ 条码数字已隐藏，指令发送成功")
+
+    except Exception as e:
+        print(f"❌ 失败: {e}")
+
+
+if __name__ == "__main__":
+    print_barcode_no_text()