添加删除时间列

PythonProject/model/cla_model.py

@@ -1,6 +1,6 @@
-
-from sqlalchemy import DateTime,Date,Column,Integer,ForeignKey,String
+from sqlalchemy import DATETIME,Date,Column,Integer,ForeignKey,String
 from util.database import Base,engine
+from datetime import datetime
 
 class ClassManagement(Base):
     __tablename__ = "wl_class"
@@ -15,14 +15,14 @@ class ClassManagement(Base):
 
     class_teacher_id = Column(Integer,ForeignKey('wl_teacher.id'),comment='授课教师')
 
-    Entry_date= Column(DateTime,comment='录入时间')
+    Entry_date= Column(DATETIME,default=datetime.now,comment='录入时间')
 
-    update_date = Column(DateTime,comment='更新时间')
+    update_date = Column(DATETIME,default=datetime.now,onupdate=datetime.now,comment='更新时间')
 
     delete_status = Column(
         Integer,default=0,comment='删除状态：0未删除，1已删除')
 
-    delete_time = Column(DateTime, nullable=True, comment='删除时间')
+    delete_time = Column(DATETIME,default=datetime.now,onupdate=datetime.now,comment='删除时间')
 
 Base.metadata.create_all(engine)