更新控制软件，更新小车3D模型

物流小车/web/checksum.py

@@ -0,0 +1,72 @@
+"""
+物流小车控制指令 - 校验和算法工具（交互式）
+
+用法:
+  python checksum.py    # 启动交互模式，手动输入指令计算校验和
+"""
+
+import sys
+import io
+
+if sys.platform == 'win32':
+    sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8', errors='replace')
+    sys.stderr = io.TextIOWrapper(sys.stderr.buffer, encoding='utf-8', errors='replace')
+
+
+def calc_checksum(data: str) -> str:
+    """计算校验和：ASCII码求和 % 256 → 2位十六进制"""
+    total = sum(ord(c) for c in data)
+    return format(total % 256, '02X')
+
+
+def print_ascii_detail(data: str):
+    """打印每个字符的 ASCII 码值"""
+    print(f"\n  原始字符串: {data}")
+    print(f"  ASCII 码分解:")
+
+    total = 0
+    parts = []
+    for c in data:
+        val = ord(c)
+        total += val
+        parts.append(f"'{c}'({val})")
+
+    print("    " + " + ".join(parts))
+    print(f"  总和 = {total}")
+    print(f"  取余 = {total} % 256 = {total % 256}")
+    print(f"  十六进制 = {calc_checksum(data)}")
+
+
+def main():
+    print("\n" + "=" * 55)
+    print("  物流小车指令校验和工具（交互式）")
+    print("  输入原始字符串，自动计算校验和并生成完整指令")
+    print("  输入 q 退出")
+    print("=" * 55)
+
+    while True:
+        print(f"\n{'─' * 55}")
+        raw = input("\n  请输入指令内容（如 LOGI:GS:001）: ").strip()
+
+        if raw.lower() in ('q', 'quit', 'exit'):
+            print("\n  再见！\n")
+            break
+
+        if not raw:
+            continue
+
+        # 如果用户输入的不是以 LOGI: 开头，自动拼接
+        if not raw.upper().startswith('LOGI:'):
+            print(f"\n  [提示] 检测到未包含帧头，已自动添加 LOGI:")
+            raw = 'LOGI:' + raw
+
+        cs = calc_checksum(raw)
+        full_cmd = f"{raw}:{cs}#"
+
+        # 显示计算过程
+        print_ascii_detail(raw)
+        print(f"\n  >>> 完整指令: {full_cmd}")
+
+
+if __name__ == '__main__':
+    main()