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商品数据

活动: 全品类 -> 满100减10

$itemsInfo =
Array
(
    [0] => 200055
    [1] => 200708
)
$priceCount = 1197
$cutPrice = 10
$apiData = 
Array
(
    [itemPrice] => Array
        (
            [200055] => Array
                (
                    [priceInitial] => 699
                    [priceCount] => 699
                    [priceInfo] => Array
                        (
                            [0] => 699.000
                        )
                    [pointInfo] => Array
                        (
                            [0] => 2.44
                        )
                    [pointCount] => 2.44
                    [price] => 699.000|0
                    [integration] => 699.000|0
                    [num] => 1
                )
            [200708] => Array
                (
                    [priceInitial] => 996
                    [priceCount] => 996
                    [priceInfo] => Array
                        (
                            [0] => 498.000
                            [1] => 498.000
                        )
                    [pointInfo] => Array
                        (
                            [0] => 1.74
                            [1] => 1.74
                        )
                    [pointCount] => 3.48
                    [price] => 498.000|0,498.000|0
                    [integration] => 498.000|0,498.000|0
                    [num] => 2
                )
        )
    [items] => Array
        (
            [0] => Array
                (
                    [promotions_id] => 3
                    [active_id] => 3
                    [tag] => fullminus
                    [price] => 1695
                    [item_ids] => 200055,200708
                    [cutPrice] => 10
                    [whisper] => 
                    [condition_value] => 100|10
                    [total_price] => 1685
                    [sort_order] => 1
                    [exclusive] => 0
                    [promotion_name] => 满100减10元
                    [promotion_tag] => 满减
                    [extraDiscount] => 0
                    [activeOrCoupon] => 2
                    [subpayment] => 
                    [address] => 
                    [itemPrice] => Array
                        (
                            [200055] => Array
                                (
                                    [priceInitial] => 699
                                    [priceCount] => 699
                                    [pointCount] => 2.44
                                    [price] => 699.000|0
                                    [point] => 2.44|0
                                    [integration] => 699.000|0
                                    [order] => 0
                                    [num] => 1
                                    [orderPrice] => Array
                                        (
                                            [0] => 699.000
                                        )
                                    [orderPoint] => Array
                                        (
                                            [0] => 2.44
                                        )
                                )
                            [200708] => Array
                                (
                                    [priceInitial] => 996
                                    [priceCount] => 996
                                    [pointCount] => 3.48
                                    [price] => 498.000|0,498.000|0
                                    [point] => 1.74|0,1.74|0
                                    [integration] => 498.000|0,498.000|0
                                    [order] => 0,1
                                    [num] => 2
                                    [orderPrice] => Array
                                        (
                                            [0] => 498.000
                                            [1] => 498.000
                                        )
                                    [orderPoint] => Array
                                        (
                                            [0] => 1.74
                                            [1] => 1.74
                                        )
                                )
                        )
                    [check] => 1
                )
        )
    [price] => Array
        (
            [price] => 1695
        )
    )

实现代码核心

public function itemMinPrice($itemsInfo,$priceCount,$cutPrice,&$apiData,$acticeId){
        //不是折上折的满减数据[itemInfo]{商品集合} [总价] [cutprice] [apidata] [活动ID]
        //算出各自占的比例
        $count = count($itemsInfo);
        //重置输出变量
        $arr = array();
        foreach ($itemsInfo as $k => $v) {
            if ($k != $count - 1) {
                //总共此商品要减去的钱数
                $itemCutPrice = intval(round(((($apiData['items'][$acticeId]['itemPrice'][$v]['priceInitial']/$priceCount)*100))*$cutPrice)/100);
                //获得活动内该itemId下价格下所有的数量
                $itemCount = count(explode( ',', $apiData['items'][$acticeId]['itemPrice'][$v]['price']));
                //循环出该商品的所有的价格,然后根据该价格重新拼成字符串
                foreach (explode( ',', $apiData['items'][$acticeId]['itemPrice'][$v]['price']) as $m => $n) {
                    if ($m != $itemCount - 1) {
                       //小数位四舍五入 
                       $arr[$v][$m] = substr($n,0,strpos($n,'|')).'|'.intval(round((((substr($n,0,strpos($n,'|'))-substr($n,(strpos($n,'|')+1)))/$apiData['items'][$acticeId]['itemPrice'][$v]['priceInitial'])*100*$itemCutPrice)/100));
                       $arrPrice += substr($arr[$v][$m],(strpos($arr[$v][$m],'|')+1)); 
                    }else{
                        //算出剩余的数据
                        $arr[$v][$m] =  substr($n,0,strpos($n,'|')).'|'.(($itemCutPrice - $arrPrice));
                    }
                }
                $pctPrice += $itemCutPrice;
            }else{
                //获得最后一个剩余的钱数
                $lastPrice = $cutPrice - $pctPrice;
                //获得活动内该itemId下价格下所有的数量
                $itemcount = count(explode( ',', $apiData['items'][$acticeId]['itemPrice'][$v]['price']));
                //循环出该商品的所有的价格,然后根据该价格重新拼成字符串
                foreach (explode( ',', $apiData['items'][$acticeId]['itemPrice'][$v]['price']) as $m => $n) {
                    if ($m != $itemcount - 1) {
                       $arr[$v][$m] = substr($n,0,strpos($n,'|')).'|'.intval(floor((((substr($n,0,strpos($n,'|'))-substr($n,(strpos($n,'|')+1)))/$apiData['items'][$acticeId]['itemPrice'][$v]['priceInitial'])*100*$lastPrice)/100));
                       $arr_price += substr($arr[$v][$m],(strpos($arr[$v][$m],'|')+1));   
                    }else{
                        //最后一个数据,减去前面的数据
                        $arr[$v][$m] = substr($n,0,strpos($n,'|')).'|'.(($lastPrice - $arr_price));
                    }
                }
            }
        }
        //[应减去的金额] [原数组] [活动的序号]
        $this->group($arr,$apiData,$acticeId);
    }