客戶端用Unity開發(fā)，主要就是搭建一下聊天室的UI界面：輸入框，聊天內(nèi)容顯示框，發(fā)送按鈕

灰色背景的就是Message，也就是聊天內(nèi)容的顯示框，是一個(gè)Text類型，這里創(chuàng)建UI方面就不多講了

在Canvas下掛一個(gè)ChatManager腳本

using System;

using UnityEngine;

using System.Net.Sockets;

using System.Net;

using UnityEngine.UI;

using System.Text;

public class ChatManager : MonoBehaviour {

private Socket clientSocket;

private Button btn;

private InputField inputField;

private Text showMessage;

private byte[] data = new byte[1024];

private string msg = "";

void Start()

{

//創(chuàng)建一個(gè)socket，綁定和服務(wù)器一樣的ip和端口號(hào)，然后執(zhí)行Connect就可以連接上服務(wù)器了(服務(wù)器已經(jīng)運(yùn)行)

clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

clientSocket.Connect(new IPEndPoint(IPAddress.Parse("127.0.0.1"), 6688));

btn = transform.Find("Button").GetComponent();

btn.onClick.AddListener(OnSendClick);

inputField = transform.Find("InputField").GetComponent();

showMessage = transform.Find("BG/Message").GetComponent();

ClientStart();

}

void Update()

{

if(msg!=null && msg != "")

{

showMessage.text += msg+"\n";回調(diào)函數(shù)不能調(diào)用Unity的組件、UI；所以只能在Update里用，而不能直接在ReceiveCallBack(回調(diào)函數(shù)不屬于Unity的主線程)

msg = "";

}

}

private void OnSendClick() ?//綁定到發(fā)送按鈕的方法

{

if (inputField.text != "")

{

byte[] databytes = Encoding.UTF8.GetBytes(inputField.text);

clientSocket.Send(databytes);

inputField.text = "";

}

}

private void ClientStart() ?//開始接收從服務(wù)器發(fā)來(lái)的消息

{

clientSocket.BeginReceive(data, 0, 1024,SocketFlags.None, ReceiveCallBack, null);

}

private void ReceiveCallBack(IAsyncResult ar)

{

try

{

if (clientSocket.Connected == false)

{

clientSocket.Close();

return;

}

int len = clientSocket.EndReceive(ar);

string message = Encoding.UTF8.GetString(data, 0, len);

msg = message;

ClientStart(); ?//重復(fù)接收從服務(wù)器發(fā)來(lái)的信息

}

catch(Exception e)

{

Debug.Log("ReceiveCallBack:" + e);

}

}

void OnDestroy()

{

clientSocket.Close();

}

}

總結(jié)

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