81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
from datetime import datetime
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import time
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from typing import Optional, List
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import pytz # 需要先安装: pip install pytz
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import re
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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 desensitize_phone(phone: str) -> str:
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"""
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手机号脱敏
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"""
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return f"{phone[:3]}****{phone[7:]}"
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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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@staticmethod
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def extract_first_number(s: str) -> int:
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"""
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提取字符串中的第一个数字
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如果没有数字，返回0
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"""
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try:
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# 使用正则表达式匹配第一个数字
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match = re.search(r'\d+', s)
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return int(match.group()) if match else 0
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except:
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return 0
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@staticmethod
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def sort_strings_by_first_number(strings: List[str]) -> List[str]:
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"""
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按第一个数字排序字符串数组
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"""
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try:
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return sorted(strings, key=CommonUtils.extract_first_number)
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except Exception as e:
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print(f"排序出错: {str(e)}")
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return strings # 出错时返回原数组
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