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model/wl_class_model.py

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+from sqlalchemy import Column, Integer, Date, String
+from sqlalchemy.orm import relationship
+
+from database import Base
+
+class Class_(Base):
+    __tablename__ = "class_info"
+
+    class_id = Column(Integer, primary_key=True, autoincrement=True, comment="班级编号")
+    start_time = Column(Date, comment="开课时间")
+
+    students=relationship("Student", back_populates="class_")
+    # 逻辑删除标记（0代表正常，1代表已删除）
+    is_deleted = Column(Integer, default=0, comment="逻辑删除标记")