使用Unity3d内置的网络建立一个简单的server。主机时，请使用机器。创建一个client连接到本机。

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我使用的NGUI作为主界面，server代码：

	string ipAddress = "127.0.0.1";

	int port = 23000;

	string msg = "";

	public UILabel lbl;

	// Use this for initialization

	void Start () {

	}

	// Update is called once per frame

	void Update () {

	}

	void OnClick () {

		if(Network.peerType == NetworkPeerType.Disconnected) {

			Network.InitializeServer(8, port, false);

			msg += "svr init";

			lbl.text = msg;

		} else {

			msg = "svr already start, connect type: " + Network.peerType;

			lbl.text = msg;

		}

	}

	void OnServerInitialized() {

		msg += "Server initialized and ready. ";

		lbl.text = msg;

	}

	void OnPlayerConnected(NetworkPlayer player) {

		msg = "Player connected from: " + player.ipAddress +":" + player.port;

		lbl.text = msg;

	}

	void OnPlayerDisconnected(NetworkPlayer player) {

		msg = "Player disconnected from: " + player.ipAddress+":" + player.port;

		lbl.text = msg;

	}

client代码：

string ipAddress = "127.0.0.1";

	int port = 23000;

	public UILabel lbl;

	// Use this for initialization

	void Start () {

	}

	// Update is called once per frame

	void Update () {

	}

	void OnClick () {

		if( Network.peerType == NetworkPeerType.Disconnected ) {

			Network.Connect(ipAddress, port);

		}

	}