phpstock/app/admin/model/CgdPrice.php

<?php
declare (strict_types = 1);

namespace app\admin\model;

use think\Model;

/**
 * @mixin \think\Model
 */
class CgdPrice extends Model
{
    protected $createTime="addtime";
    protected $updateTime="updatetime";
    /**修改成本单价
	* @param $orderInfo
	* @return array
	*/
    public static function checkCgdPrice($orderInfo){
    	$totalPrice='0';
    	$temp =  self::checkCgdNum($orderInfo,$totalPrice);
        $orderInfo->origin_price = bcdiv($totalPrice,$orderInfo->good_num,6);
        Sale::save($orderInfo->toArray());
        return $temp;
    }
    /**修改成本数量
	* @param $orderInfo
	* @param string $totalPrice
	 * @return array
	* @throws \think\Exception
	 */
    public static function checkCgdNum($orderInfo,&$totalPrice="0"){
    	$temp=[];
        $num = $orderInfo->good_num;
        $totalPrice='0';
        while ($num>0){
        	$item =self::where([['goodNo','=',$orderInfo->good_code],['status','=',1]])->findOrEmpty();
        	if($item->isEmpty()){
        		 $tempNum = $num;
        		 $num=0;
        	}else{
        		$balance = $item->goodNum-$item->usedNum;
                if($num>=$balance){
                    $tempNum = $balance;
                    $num-=$balance;
                }else{
                    $tempNum = $num;
                    $num=0;
                 }
                self::where($item->toArray())->save(['usedNum'=>$item->usedNum+$tempNum,'status'=>$item->usedNum+$tempNum>=$item->goodNum?2:1]);
        	}
        	
            $tep=[
                    'orderCode'=>$orderInfo->orderCode,
                    'cgd_price_id'=>$item->id??0,
                    'num'=>$tempNum,
                    'goodPrice'=>$item->goodPrice??0,
                ];
            $totalPrice =bcadd(bcmul($item->goodPrice,strval($tempNum),6),$totalPrice,6);
            $temp[]=$tep;
        }
        return $temp;
   }
   
   public static function checkCgdPriceLow($orderInfo,$num){
   
   }
}