update 20251210

API_NetFramework/Helper/Helper.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Web;
+
+namespace OnDocAPI_NetFramework.Helper
+{
+    public static class Helper
+    {
+        public static void CopyProperties(object source, object target)
+        {
+            var sourceProps = source.GetType().GetProperties();
+            var targetProps = target.GetType().GetProperties();
+
+            foreach (var prop in sourceProps)
+            {
+                var targetProp = targetProps.FirstOrDefault(p => p.Name == prop.Name && p.PropertyType == prop.PropertyType);
+                if (targetProp != null && targetProp.CanWrite)
+                {
+                    targetProp.SetValue(target, prop.GetValue(source));
+                }
+            }
+        }
+
+        private static readonly Random _random = new Random();
+
+        public static string RandomString(int size, bool lowerCase = false)
+        {
+            var builder = new StringBuilder(size);
+
+            char offset = lowerCase ? 'a' : 'A';
+            const int lettersOffset = 26; // A...Z or a..z: length=26
+
+            for (var i = 0; i < size; i++)
+            {
+                var @char = (char)_random.Next(offset, offset + lettersOffset);
+                builder.Append(@char);
+            }
+
+            return lowerCase ? builder.ToString().ToLower() : builder.ToString();
+        }
+    }
+}