C# HttpListener 开发服务器示例

     private static HttpListener listener;

  

       public static void demo()

        {

            if (listener == null)

            {

                listener = new HttpListener();

                var url = "http://+:9876/";

                listener.Prefixes.Add(url);

                listener.Start();

                listener.BeginGetContext(MainProcess, null);

            };

        }

  

        private static void MainProcess(IAsyncResult ar)

        {

            var context = listener.EndGetContext(ar);

            listener.BeginGetContext(MainProcess, null);

            var response = context.Response;

            response.AddHeader("Server", "My Server V0.0.1");

            var request = context.Request;

            var path = request.Url.LocalPath;

            if (path.StartsWith("/") || path.StartsWith("\\"))

                path = path.Substring(1);

            var sb = new StringBuilder("输入请求:");

            sb.AppendLine(path);

            var visit = path.Split(new char[] { '/', '\\' }, 2);

            if (visit.Length > 0)

            {

                var cmd = visit[0].ToLower();

                sb.AppendLine(string.Format("执行命令:{0}", cmd));

                sb.AppendLine(string.Format("另外有{0}个参数", visit.Length - 1 + request.QueryString.Count));

            }

            sb.AppendLine(DateTime.Now.ToString());

            response.ContentType = "text/plain;charset=UTF-8";

            var result = Encoding.UTF8.GetBytes(sb.ToString());

            using (var stream = response.OutputStream)

            {

                stream.Write(result, 0, result.Length);

            }

        }