feat: 移除基础依赖库，升级公共组件，并适配 .NET 6.0

src/SKIT.FlurlHttpClient.Wechat.Ads/Extensions/WechatAdsClientExecuteImagesExtensions.cs

@@ -38,7 +38,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Ads
 
             if (request.FileHash == null)
             {
-                request.FileHash = Security.MD5Utility.Hash(request.FileBytes ?? new byte[0]);
+                request.FileHash = Utilities.MD5Utility.Hash(request.FileBytes ?? new byte[0]);
             }
 
             string boundary = "--BOUNDARY--" + DateTimeOffset.Now.Ticks.ToString("x");

src/SKIT.FlurlHttpClient.Wechat.Ads/Interceptors/WechatAdsAgencyTokenInterceptor.cs

@@ -24,7 +24,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Ads.Interceptors
 
             string timestamp = DateTimeOffset.Now.ToLocalTime().ToUnixTimeSeconds().ToString();
             string nonce = Guid.NewGuid().ToString("N");
-            string sign = Security.MD5Utility.Hash($"{_agencyId}{timestamp}{nonce}{_agencyApiKey}").ToLower();
+            string sign = Utilities.MD5Utility.Hash($"{_agencyId}{timestamp}{nonce}{_agencyApiKey}").ToLower();
             string token = Convert.ToBase64String(Encoding.UTF8.GetBytes($"{_agencyId},{timestamp},{nonce},{sign}"));
 
             flurlCall.Request.RemoveQueryParam("agency_token");

src/SKIT.FlurlHttpClient.Wechat.Ads/SKIT.FlurlHttpClient.Wechat.Ads.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net461; netstandard2.0; net5.0</TargetFrameworks>
+        <TargetFrameworks>net461; netstandard2.0; net5.0; net6.0</TargetFrameworks>
         <LangVersion>8.0</LangVersion>
         <Nullable>enable</Nullable>
         <NullableReferenceTypes>true</NullableReferenceTypes>
@@ -27,11 +27,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
-    </ItemGroup>
-
-    <ItemGroup>
-        <ProjectReference Include="..\SKIT.FlurlHttpClient.Wechat\SKIT.FlurlHttpClient.Wechat.csproj" />
+        <PackageReference Include="SKIT.FlurlHttpClient.Common" Version="2.0.0" />
     </ItemGroup>
 
 </Project>

src/SKIT.FlurlHttpClient.Wechat.Ads/Utilities/MD5Utility.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace SKIT.FlurlHttpClient.Wechat.Ads.Utilities
+{
+    /// <summary>
+    /// MD5 算法工具类。
+    /// </summary>
+    public static class MD5Utility
+    {
+        /// <summary>
+        /// 获取信息摘要。
+        /// </summary>
+        /// <param name="bytes">信息字节数组。</param>
+        /// <returns>信息摘要。</returns>
+        public static string Hash(byte[] bytes)
+        {
+            if (bytes == null) throw new ArgumentNullException(nameof(bytes));
+
+            using MD5 md5 = MD5.Create();
+            byte[] hashBytes = md5.ComputeHash(bytes);
+            return BitConverter.ToString(hashBytes).Replace("-", "");
+        }
+
+        /// <summary>
+        /// 获取信息摘要。
+        /// </summary>
+        /// <param name="message">文本信息。</param>
+        /// <returns>信息摘要。</returns>
+        public static string Hash(string message)
+        {
+            if (message == null) throw new ArgumentNullException(nameof(message));
+
+            byte[] bytes = Encoding.UTF8.GetBytes(message);
+            return Hash(bytes);
+        }
+    }
+}

src/SKIT.FlurlHttpClient.Wechat.Ads/WechatAdsClient.cs

@@ -1,21 +1,18 @@
 using System;
-using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
 using System.Net;
 using System.Net.Http;
-using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using Flurl.Http;
-using Flurl.Http.Configuration;
 
 namespace SKIT.FlurlHttpClient.Wechat.Ads
 {
     /// <summary>
     /// 一个微信广告平台 API HTTP 客户端。
     /// </summary>
-    public class WechatAdsClient : CommonClientBase, IWechatClient
+    public class WechatAdsClient : CommonClientBase, ICommonClient
     {
         /// <summary>
         /// 获取当前客户端使用的微信广告平台凭证。

src/SKIT.FlurlHttpClient.Wechat.Ads/WechatAdsRequest.cs

@@ -3,7 +3,7 @@
     /// <summary>
     /// 微信广告平台 API 请求的基类。
     /// </summary>
-    public abstract class WechatAdsRequest : IWechatRequest
+    public abstract class WechatAdsRequest : ICommonRequest
     {
         /// <summary>
         /// 获取或设置请求超时时间（单位：毫秒）。如果不指定将使用构造 <see cref="WechatAdsClient"/> 时的 <see cref="WechatAdsClientOptions.Timeout"/> 参数，这在需要指定特定耗时请求（比如上传或下载文件）的超时时间时很有用。

src/SKIT.FlurlHttpClient.Wechat.Ads/WechatAdsResponse.cs

@@ -6,7 +6,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Ads
     /// <summary>
     /// 微信广告平台 API 响应的基类。
     /// </summary>
-    public abstract class WechatAdsResponse : IWechatResponse
+    public abstract class WechatAdsResponse : ICommonResponse
     {
         /// <summary>
         /// 获取原始的 HTTP 响应状态码。