screen/application/common/model/SiteMsgRead.php

<?php

namespace app\common\model;

use think\db\Query;
use think\Model;

/**
 * @method $this|Query filterUser($user)
 */
class SiteMsgRead extends Model
{
    public function scopeFilterUser(Query $query,$user){
        $query->where($this->__('user_id'),$user instanceof User?$user->id:$user);
    }
}