114 lines
4.3 KiB
Python
114 lines
4.3 KiB
Python
import socket
|
||
import datetime
|
||
|
||
|
||
class NetworkPrintService:
|
||
def __init__(self, ip='192.168.9.205', port=9100):
|
||
"""
|
||
初始化网络打印机服务
|
||
:param ip: 打印机IP，默认 192.168.9.205
|
||
:param port: 端口，默认 9100
|
||
"""
|
||
self.ip = ip
|
||
self.port = port
|
||
|
||
def _send_to_printer(self, content):
|
||
"""底层发送方法"""
|
||
try:
|
||
# 建立 Socket 连接
|
||
with socket.socket(socket.socket.AF_INET, socket.socket.SOCK_STREAM) as s:
|
||
s.settimeout(5) # 设置5秒超时
|
||
s.connect((self.ip, self.port))
|
||
|
||
# 发送内容，使用 GB18030 编码以支持中文
|
||
s.sendall(content.encode('gb18030'))
|
||
|
||
# 发送切纸指令 (ESC/POS: GS V m)
|
||
# 十六进制: 1D 56 42 00
|
||
s.sendall(b'\x1d\x56\x42\x00')
|
||
|
||
return True, "打印成功"
|
||
except Exception as e:
|
||
print(f"[NetworkPrint Error] {str(e)}")
|
||
return False, f"打印失败: {str(e)}"
|
||
|
||
def print_outbound_selection(self, items):
|
||
"""
|
||
打印出库选单 (拣货单)
|
||
:param items: 选中的物品列表
|
||
"""
|
||
timestamp = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
|
||
|
||
lines = []
|
||
lines.append("\n")
|
||
lines.append("********************************")
|
||
lines.append(" 出库拣货确认单 ")
|
||
lines.append("********************************")
|
||
lines.append(f"打印时间: {timestamp}")
|
||
lines.append(f"待出库总数: {len(items)} 件")
|
||
lines.append("--------------------------------")
|
||
lines.append(f"{'名称':<14}{'规格/批号':<10}")
|
||
lines.append("--------------------------------")
|
||
|
||
for item in items:
|
||
# 获取名称，优先取 material_name, 其次 product_name
|
||
name = item.get('material_name') or item.get('product_name') or "未知物品"
|
||
if len(name) > 14: name = name[:13] + "." # 名称过长截断
|
||
|
||
standard = item.get('standard', '')
|
||
batch = item.get('batch_no', '')
|
||
uuid = item.get('uuid', '')[-6:] # 只显示UUID后6位
|
||
|
||
lines.append(f"{name:<14} {standard}")
|
||
lines.append(f"批号: {batch} | 尾号: {uuid}")
|
||
lines.append("- - - - - - - - - - - - - - - -")
|
||
|
||
lines.append("\n")
|
||
lines.append("库管员签字: ______________")
|
||
lines.append("领料人签字: ______________")
|
||
lines.append("\n\n\n") # 走纸
|
||
|
||
content = "\n".join(lines)
|
||
return self._send_to_printer(content)
|
||
|
||
def print_stocktake_report(self, data):
|
||
"""
|
||
打印盘点统计报告
|
||
:param data: 包含 total, scanned, missing, missing_items
|
||
"""
|
||
total = data.get('total', 0)
|
||
scanned = data.get('scanned', 0)
|
||
missing = data.get('missing', 0)
|
||
missing_items = data.get('missing_items', [])
|
||
timestamp = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
|
||
|
||
lines = []
|
||
lines.append("\n")
|
||
lines.append("================================")
|
||
lines.append(" 库存盘点统计报告 ")
|
||
lines.append("================================")
|
||
lines.append(f"盘点时间: {timestamp}")
|
||
lines.append(f"应盘总数: {total}")
|
||
lines.append(f"实盘(已扫): {scanned}")
|
||
lines.append(f"差异(未扫): {missing}")
|
||
lines.append("--------------------------------")
|
||
|
||
if missing == 0:
|
||
lines.append("【结果】: 账实相符，库存完美！")
|
||
else:
|
||
lines.append("【差异明细 (未扫码物品)】:")
|
||
for item in missing_items:
|
||
name = item.get('material_name') or item.get('product_name') or "未知"
|
||
batch = item.get('batch_no', '-')
|
||
# 兼容不同模型的字段
|
||
code = item.get('uuid', item.get('bar_code', 'N/A'))[-6:]
|
||
|
||
lines.append(f"[ ] {name}")
|
||
lines.append(f" 批:{batch} 码:{code}")
|
||
|
||
lines.append("\n")
|
||
lines.append("监盘人: ______________")
|
||
lines.append("\n\n\n")
|
||
|
||
content = "\n".join(lines)
|
||
return self._send_to_printer(content) |