public function index()
 {
//  監(jiān)聽sql語句
//  DB::listen(function($query) {
//   $bindings = $query->bindings;
//   $sql = $query->sql;
//   foreach ($bindings as $replace){
//    $value = is_numeric($replace) ? $replace : "'".$replace."'";
//    $sql = preg_replace('/\?/', $value, $sql, 1);
//   }
//   dd($sql);
//  });
   $uid = 13; 
   return MessageModel::where(function($query) use($uid){
    $query->where(['type'=>2,'status'=>1,])->whereNotIn('id',function($query) use($uid){
     $query->select('mid')->from('message_read')->where([['message.id','=',DB::raw('mid')],'uid'=>$uid]);
    });
   })->orwhere(function($query) use($uid){
    $query->where(['type'=>1,'status'=>1,'is_read'=>2,'uid'=>$uid]);
   })->get();
 }

CREATE TABLE `message` (
 `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
 `uid` int(11) DEFAULT NULL COMMENT '需要通知的用戶id',
 `title` varchar(255) NOT NULL COMMENT '標(biāo)題',
 `describe` varchar(255) DEFAULT NULL COMMENT '簡介',
 `type` tinyint(4) DEFAULT NULL COMMENT '通知類型 1.行為通知 2.平臺通知',
 `is_read` tinyint(4) DEFAULT NULL COMMENT '是否已讀 1.已讀 2.未讀',
 `status` tinyint(4) DEFAULT '1' COMMENT '1存在 2刪除',
 `created_at` int(11) DEFAULT NULL,
 `updated_at` int(11) DEFAULT NULL,
 PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8mb4 COMMENT='消息表';


CREATE TABLE `message_read` (
 `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
 `uid` int(11) DEFAULT NULL COMMENT '用戶id',
 `mid` int(11) DEFAULT NULL COMMENT '消息id',
 `created_at` int(11) DEFAULT NULL,
 `updated_at` int(11) DEFAULT NULL,
 PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COMMENT='平臺消息通知閱讀記錄表';