fix(order): 修复订单计算中的精度问题

- 使用 bcmul 函数替换直接乘法运算，确保价格计算精度
- 统一所有涉及金额计算的地方使用高精度数学函数
- 修复养老金额度计算的精度丢失问题
- 确保订单总价和各项费用计算的准确性
- 防止浮点数运算导致的金额偏差问题

app/common/repositories/store/order/StoreOrderRepository.php

@@ -2387,7 +2387,7 @@ class StoreOrderRepository extends BaseRepository
                 }
             }
 
-            $orderpri = $cartInfo['list'][$_k]['productAttr']['price'] * $cartInfo['list'][$_k]['cart_num'];
+            $orderpri = bcmul($cartInfo['list'][$_k]['productAttr']['price'], $cartInfo['list'][$_k]['cart_num'], 2);
             //var_dump($ss);
             //支付组合
             $num_yl = 0;
@@ -2411,7 +2411,7 @@ class StoreOrderRepository extends BaseRepository
 
             if ($store_product_datas['mer_id'] == 496) {
 
-                $yanglao = bcmul($num_yl, 0.035, 2) * $cartInfo['list'][$_k]['cart_num'];//给预下订单中的商品展示 养老金 显示作用
+                $yanglao = bcmul(bcmul($num_yl, 0.035, 2) , $cartInfo['list'][$_k]['cart_num'],2);//给预下订单中的商品展示 养老金 显示作用
                 $cartInfo['list'][$_k]['yanglao'] = $yanglao;
                 $pv = $num_yl;
                 //$v['vr']=$v['price'];
@@ -2468,7 +2468,7 @@ class StoreOrderRepository extends BaseRepository
                 $jf = $orderpri - bcmul($store_product_datas['concession_pri'], 0.3, 2) . ' + ' . bcmul($store_product_datas['concession_pri'], 0.3, 2);
                 $jd = $orderpri - bcmul($store_product_datas['concession_pri'], 0.35, 2) . ' + ' . bcmul($store_product_datas['concession_pri'], 0.35, 2);
                 if ($store_product_datas['concession_pri'] != null || $store_product_datas['concession_pri'] != 0) {
-                    $yanglao = bcmul($store_product_datas['concession_pri'], 0.3, 2) * $cartInfo['list'][$_k]['cart_num'];
+                    $yanglao = bcmul(bcmul($store_product_datas['concession_pri'], 0.3, 2) , $cartInfo['list'][$_k]['cart_num'],2);
                     $cartInfo['list'][$_k]['yanglao'] = $yanglao;
                     $pv = bcmul($store_product_datas['concession_pri'], 0.35, 2);
                     $srtArry['jfduihuan'] = $jf;
@@ -2477,11 +2477,11 @@ class StoreOrderRepository extends BaseRepository
                     $gongxian = bcmul($store_product_datas['concession_pri'], 0.35, 2);
 
                     $jcvr = bcsub($orderpri, bcmul($store_product_datas['concession_pri'], 0.3, 2), 2);
-                    $jcjf = bcmul($store_product_datas['concession_pri'], 0.3, 2) * $cartInfo['list'][$_k]['cart_num'];
+                    $jcjf = bcmul(bcmul($store_product_datas['concession_pri'], 0.3, 2) , $cartInfo['list'][$_k]['cart_num'],2);
                     $jcprice = bcsub($orderpri, bcmul($store_product_datas['concession_pri'], 0.3, 2), 2);
-                    $jcjf1 = bcmul($store_product_datas['concession_pri'], 0.3, 2) * $cartInfo['list'][$_k]['cart_num'];
+                    $jcjf1 = bcmul(bcmul($store_product_datas['concession_pri'], 0.3, 2) , $cartInfo['list'][$_k]['cart_num'],2);
                     $jcvr1 = bcsub($orderpri, bcmul($store_product_datas['concession_pri'], 0.35, 2), 2);
-                    $jcjd = bcmul($store_product_datas['concession_pri'], 0.35, 2) * $cartInfo['list'][$_k]['cart_num'];
+                    $jcjd = bcmul(bcmul($store_product_datas['concession_pri'], 0.35, 2), $cartInfo['list'][$_k]['cart_num'], 2);
                     $jcprice1 = bcsub($orderpri, bcmul($store_product_datas['concession_pri'], 0.35, 2), 2);
                     $jcjd1 = bcmul($store_product_datas['concession_pri'], 0.35, 2);
 
@@ -2526,7 +2526,7 @@ class StoreOrderRepository extends BaseRepository
                 $pv = $productSku['plate_mer_profit'] ?? 0.00;
                 //复购区
                 // $pv = bcmul($orderpri, 0.3, 2);
-                $yanglao = bcmul($pv, 0.5, 2) * $cartInfo['list'][$_k]['cart_num'];//给预下订单中的商品展示 养老金 显示作用
+                $yanglao = bcmul(bcmul($pv, 0.5, 2) , $cartInfo['list'][$_k]['cart_num'],2);//给预下订单中的商品展示 养老金 显示作用
                 $cartInfo['list'][$_k]['pv'] = $pv;
                 $cartInfo['list'][$_k]['yanglao'] = $yanglao;
 
@@ -2544,7 +2544,7 @@ class StoreOrderRepository extends BaseRepository
                 $pvProportion = bcsub('1', bcdiv($sharedProsperityRecommendConfigEntityByMaxRewardRatio->getRewardRatio(), '100', 4), 2);
                 $pv = bcmul($productSku['plate_mer_profit'], $pvProportion, CommonEnum::DECIMAL_PLACES_OF_THE_AMOUNT);
 
-                $yanglao = bcmul($productSku['price'], CommonEnum::ORDER_EARNING_ALLOCATION['SharedProsperity']['Self']['YangLaoJin']['Ratio']['code'], 2) * $cartInfo['list'][$_k]['cart_num'];
+                $yanglao = bcmul(bcmul($productSku['price'], CommonEnum::ORDER_EARNING_ALLOCATION['SharedProsperity']['Self']['YangLaoJin']['Ratio']['code'], 2), $cartInfo['list'][$_k]['cart_num'], 2);
                 $cartInfo['list'][$_k]['pv'] = $pv;
                 $cartInfo['list'][$_k]['yanglao'] = $yanglao;
 
@@ -2562,7 +2562,7 @@ class StoreOrderRepository extends BaseRepository
                     $jf = $orderpri - bcmul($store_product_datas['concession_pri'], 0.3, 2) . ' + ' . bcmul($store_product_datas['concession_pri'], 0.3, 2);
                     $jd = $orderpri - bcmul($store_product_datas['concession_pri'], 0.35, 2) . ' + ' . bcmul($store_product_datas['concession_pri'], 0.35, 2);
                     if ($store_product_datas['concession_pri'] != null || $store_product_datas['concession_pri'] != 0) {
-                        $yanglao = bcmul($store_product_datas['concession_pri'], 0.3, 2) * $cartInfo['list'][$_k]['cart_num'];
+                        $yanglao = bcmul(bcmul($store_product_datas['concession_pri'], 0.3, 2), $cartInfo['list'][$_k]['cart_num'], 2);
                         $cartInfo['list'][$_k]['yanglao'] = $yanglao;
                         $pv = bcmul($store_product_datas['concession_pri'], 0.35, 2);
                         $srtArry['jfduihuan'] = $jf;