CREATE TABLE `roles` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `name` varchar(50) NOT NULL COMMENT '角色标识',
  `label` varchar(100) DEFAULT NULL COMMENT '角色名称',
  `created_at` int(11) unsigned DEFAULT '0',
  `updated_at` int(11) unsigned DEFAULT '0',
  PRIMARY KEY (`id`),
  UNIQUE KEY `name` (`name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='角色';

CREATE TABLE `permissions` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `name` varchar(100) NOT NULL COMMENT '权限标识',
  `label` varchar(100) DEFAULT NULL COMMENT '权限名称',
  `created_at` int(11) unsigned DEFAULT '0',
  `updated_at` int(11) unsigned DEFAULT '0',
  PRIMARY KEY (`id`),
  UNIQUE KEY `name` (`name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='权限';

CREATE TABLE `role_user` (
  `user_id` int(11) NOT NULL,
  `role_id` int(11) NOT NULL,
  PRIMARY KEY (`user_id`,`role_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='角色_用户';

CREATE TABLE `permission_role` (
  `role_id` int(11) NOT NULL,
  `permission_id` int(11) NOT NULL,
  PRIMARY KEY (`role_id`,`permission_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='权限_角色';