docs: 更新示例项目

samples/SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample_NetFramework48/Global.asax.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using System.Web.Http;
+using System.Web.Mvc;
+using System.Web.Optimization;
+using System.Web.Routing;
+
+namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample
+{
+    public class WebApiApplication : System.Web.HttpApplication
+    {
+        private Hangfire.BackgroundJobServer _backgroundJobServer;
+
+        protected void Application_Start()
+        {
+            AreaRegistration.RegisterAllAreas();
+            GlobalConfiguration.Configure(WebApiConfig.Register);
+            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
+            RouteConfig.RegisterRoutes(RouteTable.Routes);
+
+            AutofacConfig.Init();
+            _backgroundJobServer = HangfireConfig.Init();
+        }
+
+        protected void Application_End()
+        {
+            _backgroundJobServer?.Dispose();
+        }
+    }
+}