完成大地图主要界面

Assets/Scripts/Utils/Utils.cs

@@ -91,5 +91,19 @@ namespace Assets.Scripts
             byte b = byte.Parse(hex.Substring(4, 2), NumberStyles.HexNumber);
             return new Color32(r, g, b, byte.MaxValue);
         }
+
+        /// <summary>
+        /// Generate random digit code
+        /// </summary>
+        /// <param name="length">Length</param>
+        /// <returns>Result string</returns>
+        public static string GenerateRandomDigitCode(int length)
+        {
+            var random = new System.Random();
+            string str = string.Empty;
+            for (int i = 0; i < length; i++)
+                str = String.Concat(str, random.Next(10).ToString());
+            return str;
+        }
     }
 }