screen/application/common/model/OrderLogistics.php

<?php

namespace app\common\model;



use think\Model;
/**
 * @property LogisticsCompany com
 * @property string trans_no
 * @property string from_address
 * @property string from_username
 * @property string from_mobile
 */
class OrderLogistics extends Model
{
    public function com(){
        return $this->belongsTo(LogisticsCompany::class,'com_id');
    }
    public function from(){
        return str_replace('/','',$this['from_area']?:'');
    }
    public function fullArea(){
        return $this->from().$this->from_address;
    }
}