From 27e1ee6ec55508dd6b9489427dbffc59a2896bb0 Mon Sep 17 00:00:00 2001
From: yanganjie <yanganjie@xj-robot.com>
Date: Tue, 4 Nov 2025 10:35:12 +0800
Subject: [PATCH] =?UTF-8?q?=E6=8C=81=E7=BB=AD=E8=AF=BB=E5=8F=96=E5=8F=98?=
 =?UTF-8?q?=E9=80=81=E5=99=A8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 test2.py | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 test2.py

diff --git a/test2.py b/test2.py
new file mode 100644
index 0000000..688a580
--- /dev/null
+++ b/test2.py
@@ -0,0 +1,48 @@
+import socket
+
+# 设备信息
+IP = "192.168.250.63"
+PORT = 502
+TIMEOUT = 10  # 超时时间（秒）
+
+def parse_weight(raw_data):
+    """解析原始数据，提取重量（如从 b'ST,NT, +0000175\r\n' 中提取 175）"""
+    try:
+        # 1. 字节串解码为字符串（去除 b'' 包裹）
+        data_str = raw_data.decode('utf-8').strip()  # strip() 去除首尾的换行符\r\n和空格
+        # 此时 data_str 应为 'ST,NT, +0000175'
+        
+        # 2. 按逗号分割字符串，取第三个字段（包含重量的部分）
+        parts = data_str.split(',')  # 分割后为 ['ST', 'NT', '+0000175']
+        weight_part = parts[2].strip()  # 得到 '+0000175'
+        
+        # 3. 提取纯数字（去除可能的正负号和前导零）
+        # 方法：替换掉非数字字符，再转换为整数
+        weight_num = int(''.join(filter(str.isdigit, weight_part)))
+        return weight_num
+    except (IndexError, ValueError, UnicodeDecodeError) as e:
+        print(f"解析失败：{e}，原始数据：{raw_data}")
+        return None
+
+# 创建TCP连接并持续读取
+with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+    try:
+        s.settimeout(TIMEOUT)
+        s.connect((IP, PORT))
+        print(f"✅ 已连接到 {IP}:{PORT}，开始持续读取重量...\n")
+        
+        while True:  # 循环读取
+            data = s.recv(1024)  # 接收数据
+            if data:
+                print(f"原始数据：{data}")
+                weight = parse_weight(data)
+                if weight is not None:
+                    print(f"解析出重量：{weight}\n")
+            else:
+                print("❌ 未收到数据，等待下一次...\n")
+    except ConnectionRefusedError:
+        print(f"❌ 连接失败：{IP}:{PORT} 拒绝连接")
+    except socket.timeout:
+        print(f"❌ 超时：{TIMEOUT}秒内未收到数据")
+    except Exception as e:
+        print(f"❌ 发生错误：{e}")
\ No newline at end of file