'待送货', 1=>'送货中', 2=>'送货完成', ]; public function procurement(){ return $this->belongsTo('App\Procurement','procurement_id','id'); } public function receiver(){ return $this->belongsTo('App\User','signer','id'); } public function procurementCheckSheet(){ return $this->belongsTo('App\ProcurementCheckSheet','id','procurement_delivery_id'); } }