NIO Windows 平台的问题

1、建立 NIO 连接
http://communitygrids.blogspot.com/2007/09/windows-vista-sockets-java-nio-and.html

  SocketChannel sc = SocketChannel.open();
  sc.socket().setReuseAddress(true);
  sc.socket().setKeepAlive(true);
  sc.configureBlocking(false);

  InetSocketAddress ia = new InetSocketAddress(_hostName, _portNum);
  sc.connect(ia);