搜尋身份證號, 電話功能選項

web/App_Code/encrypt.cs

@@ -127,6 +127,67 @@ namespace MyWeb
                 char.IsLetterOrDigit(c)).ToArray()).ToUpper();
             return SHA256(input);
         }
+
+        /// <summary>
+        /// 生成 search_keywords 的 HEX 編碼字串
+        /// </summary>
+        /// <param name="follower">follower 物件</param>
+        /// <returns>HEX 編碼字串</returns>
+        public string GenerateSearchKeywords(Model.follower follower)
+        {
+            try
+            {
+                // 解密各欄位
+                string phone_decrypted = string.IsNullOrEmpty(follower.phone) ? "" : DecryptAutoKey(follower.phone);
+                string cellphone_decrypted = string.IsNullOrEmpty(follower.cellphone) ? "" : DecryptAutoKey(follower.cellphone);
+                string id_code_decrypted = string.IsNullOrEmpty(follower.id_code) ? "" : DecryptAutoKey(follower.id_code);
+                string passport_decrypted = string.IsNullOrEmpty(follower.passport) ? "" : DecryptAutoKey(follower.passport);
+
+                // 組合字串 (使用 | 分隔)
+                string joinedString = string.Join("|", new string[] {
+                    phone_decrypted,
+                    cellphone_decrypted,
+                    id_code_decrypted,
+                    passport_decrypted
+                });
+
+                // 轉換為 HEX 編碼
+                if (string.IsNullOrEmpty(joinedString.Replace("|", "")))
+                {
+                    return ""; // 如果所有欄位都是空的，返回空字串
+                }
+
+                byte[] bytes = Encoding.UTF8.GetBytes(joinedString);
+                string hexString = BitConverter.ToString(bytes).Replace("-", "").ToLower();
+                return hexString;
+            }
+            catch
+            {
+                return ""; // 發生錯誤時返回空字串
+            }
+        }
+
+        /// <summary>
+        /// 將搜尋字串轉換為 HEX 編碼 (用於搜尋功能)
+        /// </summary>
+        /// <param name="searchText">要搜尋的文字</param>
+        /// <returns>HEX 編碼字串</returns>
+        public string ConvertToHex(string searchText)
+        {
+            try
+            {
+                if (string.IsNullOrEmpty(searchText))
+                    return "";
+
+                byte[] bytes = Encoding.UTF8.GetBytes(searchText);
+                string hexString = BitConverter.ToString(bytes).Replace("-", "").ToLower();
+                return hexString;
+            }
+            catch
+            {
+                return "";
+            }
+        }
     }
 }