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from datetime import datetime
from sqlalchemy import Column, DateTime, String, Integer
class BaseModel:
"""
基础模型
"""
id = Column(Integer, primary_key=True, index=True, comment="主键ID")
create_time = Column(DateTime, default=datetime.utcnow, comment="创建时间")
update_time = Column(DateTime, default=None, onupdate=datetime.utcnow, comment="更新时间")
create_by = Column(String, default=None, comment="创建者")
update_by = Column(String, default=None, comment="更新者")
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