feat(openai): 新增 NLP 相关接口

test/SKIT.FlurlHttpClient.Wechat.OpenAI.UnitTests/WechatOpenAIJWTTests.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace SKIT.FlurlHttpClient.Wechat.OpenAI.UnitTests
+{
+    public class WechatOpenAIJWTTests
+    {
+        [Fact(DisplayName = "JWT 编码（HS256）")]
+        public void JWTEncodeWithHS256Test()
+        {
+            object payload = new
+            {
+                uid = "xjlsj33lasfaf",
+                data = new
+                {
+                    q = "在微信智言与微信智聆两大技术的支持下，微信AI团队推出了“微信对话开放平台”和“腾讯小微”智能硬件两大核心产品。微信支付团队最新发布的“微信青蛙Pro”在现场设置了体验区，让大家感受AI认脸的本事。"
+                }
+            };
+            string secret = "jWmYm7qr5nMoAUwZRjGtBxmz3KA1tkAj3ykkR6q2B2C";
+
+            string actualJwt = Utilities.JWTUtility.EncodeWithHS256(payload: payload, secret: secret);
+            string expectdJwt = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ1aWQiOiJ4amxzajMzbGFzZmFmIiwiZGF0YSI6eyJxIjoi5Zyo5b6u5L-h5pm66KiA5LiO5b6u5L-h5pm66IGG5Lik5aSn5oqA5pyv55qE5pSv5oyB5LiL77yM5b6u5L-hQUnlm6LpmJ_mjqjlh7rkuobigJzlvq7kv6Hlr7nor53lvIDmlL7lubPlj7DigJ3lkozigJzohb7orq_lsI_lvq7igJ3mmbrog73noazku7bkuKTlpKfmoLjlv4Pkuqflk4HjgILlvq7kv6HmlK_ku5jlm6LpmJ_mnIDmlrDlj5HluIPnmoTigJzlvq7kv6HpnZLom5lQcm_igJ3lnKjnjrDlnLrorr7nva7kuobkvZPpqozljLrvvIzorqnlpKflrrbmhJ_lj5dBSeiupOiEuOeahOacrOS6i-OAgiJ9fQ.8FeSvxKlIrbI6MCAaWGekB4sHGA8DeUxgVXiHa8ulJk";
+
+            Assert.Equal(expectdJwt, actualJwt, ignoreCase: true);
+        }
+    }
+}