public class ZipkinClient
    {
        public static void Init()
        {
            TraceManager.SamplingRate = 1.0f; // 设置采样率（1.0表示100%）

            var logger = new NlogLogger();
            var sender = new HttpZipkinSender("http://127.0.0.1:9411/api/v2/spans", "application/json");
            var tracer = new ZipkinTracer(sender, new JSONSpanSerializer());
            TraceManager.RegisterTracer(tracer);
            TraceManager.Start(logger);
        }
    }

  public class ZipkinAspect: OnMethodBoundaryAspect
    {
        public override void OnEntry(MethodExecutionArgs args)
        {
            
            var trace = Trace.Create();
            trace.Record(Annotations.ClientSend());

            trace.Record(Annotations.Rpc("client"));
            trace.Record(Annotations.Tag("mytag", "spanFrist"));
            trace.Record(Annotations.ServiceName("dotnetManual"));

            trace.Record(Annotations.ClientRecv());
            args.MethodExecutionTag = trace;
            Console.WriteLine($"Entered method: {args.Method.Name}");
        }

        public override void OnExit(MethodExecutionArgs args)
        {
            var trace = args.MethodExecutionTag as Trace;
            trace.Record(Annotations.ClientSend());

            trace.Record(Annotations.Rpc("client"));
            trace.Record(Annotations.Tag("mytag", "spanFrist"));
            trace.Record(Annotations.ServiceName("dotnetManual"));

            trace.Record(Annotations.ClientRecv());

        }
    }

java -jar zipkin-server-3.5.0-exec.jar –STORAGE_TYPE=mysql –MYSQL_HOST=127.0.0.1 –MYSQL_TCP_PORT=3306 –MYSQL_DB=zipkin –MYSQL_USER=root –MYSQL_PASS=1234