43 lines
1.7 KiB
Python
43 lines
1.7 KiB
Python
import socket
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import datetime
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from .print_config import PrintConfigManager
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class NetworkPrintService:
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def __init__(self, ip=None, port=None):
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config = PrintConfigManager.get_config('network_printer')
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self.ip = ip if ip is not None else config['ip']
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self.port = port if port is not None else config['port']
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def _send_to_printer(self, content):
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"""
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对于 A4 打印机，后端直接发送 Socket 指令通常无效或导致乱码。
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因此这里只做日志记录，实际打印由前端浏览器完成。
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"""
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print(f"--- [后端日志] 收到打印请求 (实际由前端处理) ---\n{content}\n----------------")
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return True, "记录成功"
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def print_outbound_selection(self, items):
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"""
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仅记录出库日志，不发送物理指令
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"""
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try:
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timestamp = datetime.datetime.now().strftime("%Y-%m-%d %H:%M")
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total_qty = sum([float(i.get('quantity', 0)) for i in items])
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# 简单构造一个日志字符串
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log_content = f"出库时间: {timestamp}, 总数: {int(total_qty)}\n"
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for item in items:
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log_content += f"- {item.get('name')} (规格:{item.get('standard')}) x {item.get('quantity')}\n"
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# 调用虚拟发送
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return self._send_to_printer(log_content)
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except Exception as e:
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print(f"日志记录失败: {e}")
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return True, "记录忽略" # 即使失败也不要在前端报错
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def print_stocktake_report(self, data):
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# 同样处理
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return self._send_to_printer(f"盘点报告: 应盘{data.get('total')}, 实盘{data.get('scanned')}")
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