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Services/WeChatHttpClient.cs

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+using System.Text;
+using Newtonsoft.Json;
+
+namespace WeChatSharp.Services;
+
+public class WeChatHttpClient
+{
+	private readonly WeChatAccessTokenService _accessTokenService;
+	private readonly HttpClient _httpClient;
+
+	public WeChatHttpClient(WeChatAccessTokenService accessTokenService, HttpClient httpClient)
+	{
+		_accessTokenService = accessTokenService;
+		_httpClient = httpClient;
+	}
+	public async Task<string> PostJsonAsync<T>(string url,T model)
+	{
+		var json = JsonConvert.SerializeObject(model);
+		var jsonContent = new StringContent(json, Encoding.UTF8, "application/json");
+		return await PostAsync(url, jsonContent);
+	}
+	public async Task<string> PostAsync(string url,HttpContent content)
+	{
+		url += $"?{WeChatAccessTokenService._AccessToken}={await _accessTokenService.GetAccessTokenAsync()}";
+		var responseMessage = await _httpClient.PostAsync(url, content);
+		return await responseMessage.Content.ReadAsStringAsync();
+	}
+}