修改管理后台

backend/models/RoleMenuPermission.js

@@ -0,0 +1,54 @@
+/**
+ * 角色菜单权限关联模型
+ * @file RoleMenuPermission.js
+ * @description 角色和菜单权限的多对多关联表
+ */
+
+const { DataTypes } = require('sequelize');
+const { sequelize } = require('../config/database-simple');
+const BaseModel = require('./BaseModel');
+
+const RoleMenuPermission = sequelize.define('RoleMenuPermission', {
+  role_id: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    primaryKey: true,
+    comment: '角色ID',
+    references: {
+      model: 'roles',
+      key: 'id'
+    }
+  },
+  menu_permission_id: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    primaryKey: true,
+    comment: '菜单权限ID',
+    references: {
+      model: 'menu_permissions',
+      key: 'id'
+    }
+  },
+  created_at: {
+    type: DataTypes.DATE,
+    allowNull: false,
+    defaultValue: DataTypes.NOW,
+    comment: '创建时间'
+  }
+}, {
+  tableName: 'RoleMenuPermissions',
+  timestamps: false, // 手动管理时间戳
+  comment: '角色菜单权限关联表',
+  indexes: [
+    {
+      fields: ['role_id'],
+      name: 'idx_role_id'
+    },
+    {
+      fields: ['menu_permission_id'],
+      name: 'idx_menu_permission_id'
+    }
+  ]
+});
+
+module.exports = RoleMenuPermission;