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后端源码/yifan.action-ai.cn/app/api/v1/module_system/menu/model.py

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+# -*- coding: utf-8 -*-
+
+from typing import TYPE_CHECKING
+from sqlalchemy import Boolean, String, Integer, JSON, ForeignKey
+from sqlalchemy.orm import relationship, Mapped, mapped_column
+
+from app.core.base_model import ModelMixin
+
+if TYPE_CHECKING:
+    from app.api.v1.module_system.role.model import RoleModel
+
+
+class MenuModel(ModelMixin):
+    """
+    菜单表 - 用于存储系统菜单信息
+    
+    菜单类型说明:
+    - 1: 目录(一级菜单)
+    - 2: 菜单(二级菜单) 
+    - 3: 按钮/权限(页面内按钮权限)
+    - 4: 外部链接
+    """
+    __tablename__: str = "sys_menu"
+    __table_args__: dict[str, str] = ({'comment': '菜单表'})
+    __loader_options__: list[str] = ["roles"]
+
+    name: Mapped[str] = mapped_column(String(50), nullable=False, comment='菜单名称')
+    type: Mapped[int] = mapped_column(Integer, nullable=False, default=2, comment='菜单类型(1:目录 2:菜单 3:按钮/权限 4:链接)')
+    order: Mapped[int] = mapped_column(Integer, nullable=False, default=999, comment='显示排序')
+    permission: Mapped[str | None] = mapped_column(String(100), comment='权限标识(如:module_system:user:list)')
+    icon: Mapped[str | None] = mapped_column(String(50), comment='菜单图标')
+    route_name: Mapped[str | None] = mapped_column(String(100), comment='路由名称')
+    route_path: Mapped[str | None] = mapped_column(String(200), comment='路由路径')
+    component_path: Mapped[str | None] = mapped_column(String(200), comment='组件路径')
+    redirect: Mapped[str | None] = mapped_column(String(200), comment='重定向地址')
+    hidden: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False, comment='是否隐藏(True:隐藏 False:显示)')
+    keep_alive: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False, comment='是否缓存(True:是 False:否)')
+    always_show: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False, comment='是否始终显示(True:是 False:否)')
+    title: Mapped[str | None] = mapped_column(String(50), comment='菜单标题')
+    params: Mapped[list[dict[str, str]] | None] = mapped_column(JSON, comment='路由参数(JSON对象)')
+    affix: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False, comment='是否固定标签页(True:是 False:否)')
+    
+    # 树形结构
+    parent_id: Mapped[int | None] = mapped_column(
+        Integer, 
+        ForeignKey('sys_menu.id', ondelete='SET NULL'), 
+        default=None, 
+        index=True, 
+        comment='父菜单ID'
+    )
+    
+    # 关联关系
+    parent: Mapped["MenuModel | None"] = relationship(
+        back_populates='children', 
+        remote_side="MenuModel.id", 
+        foreign_keys="MenuModel.parent_id",
+        uselist=False
+    )
+    children: Mapped[list["MenuModel"] | None] = relationship(
+        back_populates='parent', 
+        foreign_keys="MenuModel.parent_id",
+        order_by="MenuModel.order"
+    )
+    roles: Mapped[list["RoleModel"]] = relationship(
+        secondary="sys_role_menus", 
+        back_populates="menus", 
+        lazy="selectin"
+    )