49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
from datetime import datetime
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import time
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from typing import Optional
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import pytz # 需要先安装: pip install pytz
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class CommonUtils:
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"""工具类"""
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@staticmethod
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def get_asia_datetime(my_datetime: datetime, timezone='Asia/Shanghai') -> str:
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"""
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将时间转换为UTF-8编码
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"""
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tz = pytz.timezone(timezone)
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return my_datetime.astimezone(tz).strftime('%Y-%m-%d %H:%M:%S')
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@staticmethod
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def get_current_time(timezone='Asia/Shanghai') -> str:
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"""
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获取指定时区的当前时间
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:param timezone: 时区名称，默认为上海时区（东八区）
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"""
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tz = pytz.timezone(timezone)
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return datetime.now(tz).strftime('%Y-%m-%d %H:%M:%S')
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@staticmethod
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def generate_order_id(prefix: str) -> str:
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"""
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生成订单号
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:param prefix: 订单前缀，如 M(商品订单)、P(支付订单)、D(配送订单)、E(积分兑换商品订单)
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:return: 15位订单号：前缀(1位) + 日期(8位) + 时间戳(6位)
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"""
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now = datetime.now()
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date_str = now.strftime('%Y%m%d')
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# 取时间戳后6位
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timestamp = str(int(time.time() * 1000))[-6:]
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return f"{prefix}{date_str}{timestamp}"
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@staticmethod
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def generate_verify_code() -> str:
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"""
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生成核销码
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:return: 16位数字核销码：日期(8位) + 时间戳(8位)
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"""
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now = datetime.now()
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date_str = now.strftime('%Y%m%d')
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timestamp = str(int(time.time() * 1000))[-8:]
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return f"{date_str}{timestamp}"
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