no message

python/Bag1.py

@@ -26,6 +26,11 @@ try:
 except ImportError:
     serial = None  # type: ignore
 
+try:
+    import win32print  # type: ignore[import]
+except ImportError:
+    win32print = None  # type: ignore[assignment]
+
 DEFAULT_BASE_URL = os.environ.get("FPSMS_BASE_URL", "http://localhost:8090/api")
 # When run as PyInstaller exe, save settings next to the exe; otherwise next to script
 if getattr(sys, "frozen", False):
@@ -42,7 +47,8 @@ DEFAULT_SETTINGS = {
     "dabag_port": "3008",
     "laser_ip": "192.168.17.10",
     "laser_port": "45678",
-    "label_com": "COM3",
+    # For 標簽機 on Windows, this is the Windows printer name, e.g. "TSC TTP-246M Pro"
+    "label_com": "TSC TTP-246M Pro",
 }
 
 
@@ -97,13 +103,26 @@ def try_printer_connection(printer_name: str, sett: dict) -> bool:
         except (socket.error, ValueError, OSError):
             return False
     if printer_name == "標簽機":
-        if serial is None:
+        target = (sett.get("label_com") or "").strip()
+        if not target:
             return False
-        com = (sett.get("label_com") or "").strip()
-        if not com:
+        # On Windows, allow using a Windows printer name (e.g. "TSC TTP-246M Pro")
+        # as an alternative to a COM port. If it doesn't look like a COM port,
+        # try opening it via the Windows print spooler.
+        if os.name == "nt" and not target.upper().startswith("COM"):
+            if win32print is None:
+                return False
+            try:
+                handle = win32print.OpenPrinter(target)
+                win32print.ClosePrinter(handle)
+                return True
+            except Exception:
+                return False
+        # Fallback: treat as serial COM port (original behaviour)
+        if serial is None:
             return False
         try:
-            ser = serial.Serial(com, timeout=1)
+            ser = serial.Serial(target, timeout=1)
             ser.close()
             return True
         except (serial.SerialException, OSError):
@@ -190,12 +209,12 @@ def generate_zpl_label_small(
     item_id: Optional[int] = None,
     stock_in_line_id: Optional[int] = None,
     lot_no: Optional[str] = None,
-    font: str = "ARIALR.TTF",
+    font: str = "MingLiUHKSCS",
 ) -> str:
     """
     ZPL for 標簽機. Row 1: item name. Row 2: QR left | item code + lot no (or batch) right.
     QR contains {"itemId": xxx, "stockInLineId": xxx} when both present; else batch_no.
-    Font: ARIALR.TTF.
+    Unicode (^CI28); font set for Big-5 (e.g. MingLiUHKSCS).
     """
     desc = _zpl_escape((item_name or "—").strip())
     code = _zpl_escape((item_code or "—").strip())
@@ -232,13 +251,42 @@ def send_zpl_to_dataflex(ip: str, port: int, zpl: str) -> None:
         sock.close()
 
 
-def send_zpl_to_label_printer(com_port: str, zpl: str) -> None:
-    """Send ZPL to 標簽機 via serial COM port. Raises on error."""
+def send_zpl_to_label_printer(target: str, zpl: str) -> None:
+    """
+    Send ZPL to 標簽機.
+
+    On Windows, if target is not a COM port (e.g. "TSC TTP-246M Pro"),
+    send raw ZPL to the named Windows printer via the spooler.
+    Otherwise, treat target as a serial COM port (original behaviour).
+    """
+    dest = (target or "").strip()
+    if not dest:
+        raise ValueError("Label printer destination is empty.")
+
+    # Unicode (^CI28); send UTF-8 to 標簽機
+    raw_bytes = zpl.encode("utf-8")
+
+    # Windows printer name path (USB printer installed as normal printer)
+    if os.name == "nt" and not dest.upper().startswith("COM"):
+        if win32print is None:
+            raise RuntimeError("pywin32 not installed. Run: pip install pywin32")
+        handle = win32print.OpenPrinter(dest)
+        try:
+            job = win32print.StartDocPrinter(handle, 1, ("FPSMS Label", None, "RAW"))
+            win32print.StartPagePrinter(handle)
+            win32print.WritePrinter(handle, raw_bytes)
+            win32print.EndPagePrinter(handle)
+            win32print.EndDocPrinter(handle)
+        finally:
+            win32print.ClosePrinter(handle)
+        return
+
+    # Fallback: serial COM port
     if serial is None:
         raise RuntimeError("pyserial not installed. Run: pip install pyserial")
-    ser = serial.Serial(com_port, timeout=5)
+    ser = serial.Serial(dest, timeout=5)
     try:
-        ser.write(zpl.encode("utf-8"))
+        ser.write(raw_bytes)
     finally:
         ser.close()
 
@@ -733,9 +781,17 @@ def main() -> None:
             )
             grid_row[0] += 1
             if key_single:
-                ttk.Label(f, text="COM：").grid(row=grid_row[0], column=0, sticky=tk.W, pady=2)
+                ttk.Label(
+                    f,
+                    text="列印機名稱 (Windows)：",
+                ).grid(
+                    row=grid_row[0],
+                    column=0,
+                    sticky=tk.W,
+                    pady=2,
+                )
                 var = tk.StringVar(value=sett.get(key_single, ""))
-                e = tk.Entry(f, textvariable=var, width=14, font=get_font(FONT_SIZE), bg="white")
+                e = tk.Entry(f, textvariable=var, width=22, font=get_font(FONT_SIZE), bg="white")
                 e.grid(row=grid_row[0], column=1, sticky=tk.W, pady=2)
                 _ensure_dot_in_entry(e)
                 grid_row[0] += 1
@@ -762,7 +818,7 @@ def main() -> None:
         all_vars.extend(add_section("API 伺服器", "api_ip", "api_port", None))
         all_vars.extend(add_section("打袋機 DataFlex", "dabag_ip", "dabag_port", None))
         all_vars.extend(add_section("激光機", "laser_ip", "laser_port", None))
-        all_vars.extend(add_section("標簽機 COM 埠", None, None, "label_com"))
+        all_vars.extend(add_section("標簽機 (USB)", None, None, "label_com"))
 
         def on_save():
             for key, var in all_vars:
@@ -933,7 +989,7 @@ def main() -> None:
                 elif printer_var.get() == "標簽機":
                     com = (settings.get("label_com") or "").strip()
                     if not com:
-                        messagebox.showerror("標簽機", "請在設定中填寫標簽機 COM 埠。")
+                        messagebox.showerror("標簽機", "請在設定中填寫標簽機名稱 (例如：TSC TTP-246M Pro)。")
                     else:
                         count = ask_label_count(root)
                         if count is not None: