添加项目文件。

JinYuan.Helper/ConvertHelper.cs

@@ -0,0 +1,18 @@
+using System.Linq;
+
+namespace JinYuan.Helper
+{
+    public static class ConvertHelper
+    {
+        /// <summary>
+        /// 字节数组高低位转换
+        /// </summary>
+        /// <param name="Arrbyte"></param>
+        /// <returns></returns>
+        public static byte[] ByteReverse(this byte[] Arrbyte)
+        {
+            byte[] ArrByte = Arrbyte.Select((x, i) => new { x, i }).GroupBy(x => x.i / 2).SelectMany(x => new byte[] { x.Last().x, x.First().x }).ToArray();
+            return ArrByte;
+        }
+    }
+}