belongsTo(Company::class, 'company_id'); } public function jobfairPutJob() { return $this->hasMany(JobfairoutPutJob::class, 'exid', 'id'); } public function jobfairout() { return $this->belongsTo(Jobfairout::class, 'jobfair_id'); } public function jobfair_companys() { return $this->hasOne(JobfairoutCompany::class, 'id'); } public function persons() { return $this->hasMany(JobfairoutReserve::class, 'exid','id'); } public function info() { return $this->hasOne(JobfairoutInfo::class, 'exid','id'); } public function subsites() { return $this->belongsToMany(Subsite::class, 'subsite_jobfairouts', 'jobfair_id', 'subsite_id', 'jobfair_id'); } }