初始化

backend/app/models/permission.py

@@ -0,0 +1,21 @@
+"""权限数据模型"""
+from sqlalchemy import Column, BigInteger, String, Text, ForeignKey, Table
+from app.core.database import Base
+
+role_permissions = Table(
+    'role_permissions',
+    Base.metadata,
+    Column('role', String(50), primary_key=True),
+    Column('permission_id', BigInteger, ForeignKey('permissions.id'), primary_key=True)
+)
+
+
+class Permission(Base):
+    __tablename__ = "permissions"
+
+    id = Column(BigInteger, primary_key=True)
+    name = Column(String(100), nullable=False)
+    code = Column(String(50), unique=True, nullable=False)
+    module = Column(String(50))
+    description = Column(Text)
+