wanyue_app/app/model/ClientContent.php

<?php

namespace app\model;

use DateTimeInterface;
use support\Model;

class ClientContent extends Model
{
    protected $table = 'client_content';

    protected $primaryKey = 'client_content_id';

    protected $dateFormat = 'U';

    const CREATED_AT = 'client_content_addtimes';

    const UPDATED_AT = null;

    protected function serializeDate(DateTimeInterface $date)
    {
        return $date->format('Y-m-d H:i:s');
    }

    public function member(){
        return $this->hasOne(Member::class,'member_id','join_client_content_member_id');
    }

    public function info(){
        return $this->hasOne(MemberInfo::class,'join_info_member_id','join_client_content_member_id');
    }

    public function cert(){
        return $this->hasOne(MemberCert::class,'join_cert_member_id','join_client_content_member_id');
    }
}