添加项目文件。

CoreCms.Net.Utility/Helper/SKUHelper.cs

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+/***********************************************************************
+ *            Project: CoreCms.Net                                     *
+ *                Web: https://CoreCms.Net                             *
+ *        ProjectName: 核心内容管理系统                                *
+ *             Author: 大灰灰                                          *
+ *              Email: JianWeie@163.com                                *
+ *         CreateTime: 2020-03-05 1:54:55
+ *        Description: 暂无
+ ***********************************************************************/
+
+
+using System;
+
+namespace CoreCms.Net.Utility.Helper
+{
+    /// <summary>
+    /// 商品规格sku计算
+    /// </summary>
+    public class SkuHelper
+    {
+        public static String[] process(string[][] sku)
+        {
+            int len = sku.Length;
+            if (len >= 2)
+            {
+                var s1 = sku[0];
+                int len1 = s1.Length;
+                var s2 = sku[1];
+                int len2 = s2.Length;
+
+                int len3 = len1 * len2;
+                int index = 0;
+                string[] items = new string[len3];
+                for (int i = 0; i < len1; i++)
+                {
+                    for (int j = 0; j < len2; j++)
+                    {
+                        items[index] = sku[0][i] + "," + sku[1][j];
+                        index++;
+                    }
+                }
+                // 将新组合的数组并到原数组中
+                string[][] newArr = new string[len - 1][];
+                for (int i = 2; i < sku.Length; i++)
+                {
+                    newArr[i - 1] = sku[i];
+                }
+                newArr[0] = items;
+                return process(newArr);
+            }
+            else
+            {
+                return (String[])sku[0];
+            }
+        }
+
+
+
+
+    }
+}