细节优化
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@@ -1,7 +1,7 @@
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"""SQLAlchemy 2.0 基础模型类与 Mixin。"""
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import uuid
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from datetime import datetime, timezone
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from datetime import datetime
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from sqlalchemy import String, text
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from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
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@@ -13,8 +13,11 @@ def generate_uuid() -> str:
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def utcnow_iso() -> str:
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"""返回 UTC 当前时间的 ISO8601 字符串。"""
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return datetime.now(timezone.utc).isoformat()
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"""当前时间,格式:年-月-日 时:分:秒(容器时区,生产为 Asia/Shanghai)。
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定长格式保证字符串排序 = 时间排序。
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"""
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return datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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class Base(DeclarativeBase):
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