上传文件至「/」

2026-09-21 21:12:25 +08:00
parent bae02e5d35
commit ec8d094725
5 changed files with 270 additions and 0 deletions
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+from sqlalchemy import create_engine, Column, Integer, String, Float, ForeignKey, Table, Date
+from sqlalchemy.orm import relationship
+from model import Base
+
+teacher_class = Table(
+    "teacher_class",                        # 中间表的名字
+    Base.metadata,                          # 绑定到 Base 的元数据
+    Column("class_id", Integer, ForeignKey("classinfo.id"), primary_key=True),
+    Column("teacher_id", Integer, ForeignKey("teacher.id"), primary_key=True) ,
+    Column("role",String(50))
+
+)