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model/wl_score_model.py

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+from sqlalchemy import Column, Integer, Float, ForeignKey, String
+from sqlalchemy.orm import relationship
+
+from database import Base
+
+class Score(Base):
+    __tablename__ = "wl_score"
+
+    # 和 wl_emp 一样：学号直接做主键，同时做外键指向学生表的业务学号，
+    # 不再用内部主键 stu_id。长度跟 Student.stu_no 保持一致。
+    stu_no = Column(String(20), ForeignKey('wl_student.stu_no'), primary_key=True, comment="学号")
+    exam_order = Column(Integer, primary_key=True, comment="考核序次")
+    score = Column(Float, nullable=False, comment="成绩")
+
+    student=relationship("Student",back_populates="scores")
+
+