Update README.md

Author: Ryder Hsieh

README.md

@@ -1,2 +1,87 @@
-PAYUNi 統一金流 .NET SDK
-===============
+# 目錄
+* [環境需求](#環境需求)
+* [安裝](#安裝)
+* [使用方式](#使用方式)
+# 環境需求
+* .NET Framework 4.7.2
+# 安裝
+* 請加入PayuniSDK參考至專案
+* 請至NuGet安裝Newtonsoft.Json
+```clike
+NuGet\Install-Package Newtonsoft.Json -Version 13.0.1
+```
+* 請至NuGet安裝Portable.BouncyCastle
+```clike
+NuGet\Install-Package Portable.BouncyCastle -Version 1.9.0
+```
+
+# 使用方式
+* 正式區
+```csharp
+payuniAPI payuniapi = new payuniAPI(key, iv);
+```
+* 測試區
+```csharp
+payuniAPI payuniapi = new payuniAPI(key, iv, type);
+```
+* API串接
+```csharp
+string result = payuniApi.UniversalTrade(encryptInfo, mode);
+```
+* upp ReturnURL、NotifyURL接收到回傳參數後處理方式
+```csharp
+string result = payuniApi.ResultProcess(requestData);
+```
+* 參數說明
+  * EncryptInfoModel encryptInfo
+    * 參數詳細內容請參考[統一金流API串接文件](https://www.payuni.com.tw/docs/web/#/7/34)對應功能請求參數的EncryptInfo
+```csharp=
+EncryptInfoModel encryptInfo = new EncryptInfoModel();
+encryptInfo.MerID = "ABC";
+encryptInfo.Timestamp= DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString();
+```
+  * string merKey
+    * 請登入PAYUNi平台檢視商店串接資訊取得 Hash Key
+  * string merIV
+    * 請登入PAYUNi平台檢視商店串接資訊取得 Hash IV
+  * string type (非必填)
+    * 連線測試區 => t
+    * 連線正式區 => 不給該參數或給空值
+  * string mode
+    * 整合式支付頁 => upp
+    * 虛擬帳號幕後 => atm
+    * 超商代碼幕後 => cvs
+    * 信用卡幕後　 => credit
+    * 交易查詢　　 => trade_query
+    * 交易請退款　 => trade_close
+    * 交易取消授權 => trade_cancel
+    * 信用卡Token(約定) => credit_bind_query
+    * 信用卡Token取消(約定/記憶卡號) => credit_bind_cancel
+    * 愛金卡退款(ICASH) => trade_refund_icash
+* 其餘請參考[範例](https://github.com/payuni/PHP_SDK/tree/main/examples)
+
+* 原生C#
+```csharp=
+using PayuniSDK;
+string merKey = "12345678901234567890123456789012";
+string merIV = "1234567890123456";
+payuniAPI payuni = new payuniAPI(key, iv);
+EncryptInfoModel encryptInfo = new EncryptInfoModel();
+encryptInfo.MerID = "ABC";
+encryptInfo.TradeNo = "16614190477810373246";
+encryptInfo.Timestamp= DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString();
+string result = payuniApi.UniversalTrade(encryptInfo, "trade_query");
+```
+# LICENSE
+```text
+Copyright 2022 PRESCO. All rights reserved.
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+```