22 lines
731 B
Python
22 lines
731 B
Python
import time
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import random
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from datetime import datetime
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import secrets
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def generate_id() -> str:
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"""Generate a time-sortable unique ID (simplified ULID-style)."""
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timestamp = int(time.time() * 1000)
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randomness = random.randint(0, 0xFFFFFF)
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return f"{timestamp:013x}{randomness:06x}"
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def generate_order_no() -> str:
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"""Generate a human-readable order number with yyyymmddhhmmss format."""
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# 格式化为 yyyymmddhhmmss 格式的时间戳
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now = datetime.now()
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timestamp = now.strftime("%Y%m%d%H%M%S")
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# 使用密码学安全的随机数生成 8位纯数字，防止并发冲突
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random_part = ''.join(str(secrets.randbelow(10)) for _ in range(8))
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return f"MZZC{timestamp}{random_part}"
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