chore: 首次簽入 Thinkyu ASP.NET 專案

- 加入 Visual Studio / ASP.NET .gitignore - 排除建置輸出、IDE 設定、NuGet packages、大型 MSI 安裝檔
2026-09-10 09:42:37 +08:00
commit 577060bc78
2496 changed files with 501389 additions and 0 deletions
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace 報到系統客戶端
+{
+    internal class Utils
+    {
+        /// <summary>
+        /// 手機號轉隱碼輸出(前4後3)
+        /// </summary>
+        /// <param name="mobile"></param>
+        /// <returns></returns>
+        public static string HideMobile(string mobile)
+        {
+            if (string.IsNullOrEmpty(mobile))
+                return string.Empty;
+
+            if (mobile.Length >= 7)
+                return mobile.Substring(0, 4) + "***" + mobile.Substring(mobile.Length - 3);
+
+            return "***";
+        }
+    }
+}