feat: 新增微信小程序模块

Yi.Abp.Net8/framework/Yi.Framework.WeChat.MiniProgram/Token/DefaultMinProgramToken.cs

@@ -0,0 +1,40 @@
+using System.Net.Http.Json;
+using Microsoft.Extensions.Options;
+using Yi.Framework.Core.Extensions;
+using Yi.Framework.WeChat.MiniProgram.HttpModels;
+
+namespace Yi.Framework.WeChat.MiniProgram.Token;
+
+internal class DefaultMinProgramToken:IMiniProgramToken
+{
+    private const string Url = "https://api.weixin.qq.com/cgi-bin/token";
+    private WeChatMiniProgramOptions _options;
+    public DefaultMinProgramToken(IOptions<WeChatMiniProgramOptions> options)
+    {
+        _options = options.Value;
+    }
+    public async Task<string> GetTokenAsync()
+    {
+        var token = await this.GetAccessToken();
+        return token.access_token;
+    }
+    public async Task<AccessTokenResponse> GetAccessToken()
+    {
+        var req = new AccessTokenRequest();
+        req.appid = _options.AppID;
+        req.secret = _options.AppSecret;
+        req.grant_type = "client_credential";
+        using (HttpClient httpClient = new HttpClient())
+        {
+            string queryString = req.ToQueryString();
+            var builder = new UriBuilder(Url);
+            builder.Query = queryString;
+            HttpResponseMessage response = await httpClient.GetAsync(builder.ToString());
+
+            response.EnsureSuccessStatusCode();
+
+            var responseBody = await response.Content.ReadFromJsonAsync<AccessTokenResponse>();
+            return responseBody;
+        }
+    }
+}