微信群聊代码 QQ群聊代码大全



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微信群聊代码 QQ群聊代码大全

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【微信群聊代码 QQ群聊代码大全】多人聊天室原理图
源码
工具类:
该类用于关闭各种流 。
public class CloseUtil { public static void CloseAll(Closeable... closeable){for(Closeable c:closeable){if (c != null) {try {c.close();} catch (IOException e) {e.printStackTrace();}}} }}服务器:
服务器端创建一个serverSocket对象通过accept()方法监听是否有tcp连接,同时有一个储存socket对象的集合将连接进来的对象储存到List集合中,服务器将消息进行转发 。
//服务器public class Server { //存储每一个连接进来的客户端 public static List<MyChannel> list=new ArrayList<>(); public static void main(String[] args) throws Exception {//创建ServerSocket对象ServerSocket serverSocket = new ServerSocket(9999);while (true){//连接进来的客户端Socket client = serverSocket.accept();System.out.println(client.getInetAddress()+"进入聊天室");MyChannel myChannel = new MyChannel(client);list.add(myChannel);new Thread(myChannel).start();} }}消息转发类:
具体的消息转发实现类,将信息发给除发送消息以外的其他客户端 。
//用于信息转发public class MyChannel implements Runnable{ private DataInputStream dis; private DataOutputStream dos; private boolean flag=true; public MyChannel(Socket socket) {try{dis=new DataInputStream(socket.getInputStream());dos=new DataOutputStream(socket.getOutputStream());}catch (IOException e){flag=false;CloseUtil.CloseAll(dis,dos);} } //接收数据的方法 private String receive(){String str="";try{str= dis.readUTF();}catch (IOException e){flag=false;CloseUtil.CloseAll(dis,dos);Server.list.remove(this);}return str; } //发送数据的方法 private void send(String str){try {if (str != null && str.length() != 0) {dos.writeUTF(str);dos.flush();}}catch (Exception exception){flag=false;CloseUtil.CloseAll(dos,dis);Server.list.remove(this);} } //转发消息的方法 private void sendToOther(){String str=this.receive();List<MyChannel> list = Server.list;for (MyChannel other:list) {if(other==list){continue;//不发送信息给自己}//将消息发送给其他客户端other.send(str);} } @Override public void run() {while (flag){sendToOther();} }}发送信息类:用于从键盘上获取数据然后将数据发送出去
public class Send implements Runnable{ //从键盘上获取数据 private BufferedReader br; private DataOutputStream dos; private boolean flag=true; public Send() {br=new BufferedReader(new InputStreamReader(System.in)); } public Send(Socket socket){this();try{dos=new DataOutputStream(socket.getOutputStream());}catch (Exception e){flag=false;CloseUtil.CloseAll(dos,socket);e.printStackTrace();} } private String getMessage(){String str="";try{str=br.readLine();}catch (IOException e){flag=false;CloseUtil.CloseAll(br);}return str; } private void send(String str){try {dos.writeUTF(str);dos.flush();} catch (IOException e) {flag=false;CloseUtil.CloseAll(dos);e.printStackTrace();} } @Override public void run() {while (flag){this.send(getMessage());} }}信息接收类:
public class Receive implements Runnable{//接受数据流private DataInputStream dis;private boolean flag=true;public Receive(Socket socket){try {dis = new DataInputStream(socket.getInputStream());}catch (Exception e){flag=false;CloseUtil.CloseAll(dis,socket);}}private String getMessage(){String str="";try {str=dis.readUTF();} catch (IOException e) {flag=false;CloseUtil.CloseAll(dis);e.printStackTrace();}return str;}@Overridepublic void run() {while (flag){System.out.println(this.getMessage());}}}客户端:
public class client {public static void main(String[] args) throws Exception{Socket socket = new Socket(InetAddress.getLocalHost(),9999);Send send = new Send(socket);Receive receive = new Receive(socket);new Thread(send).start();new Thread(receive).start();}}先将服务器启动然后启动客户端:测试结果如下
有喜欢的小伙伴可以自己拿去玩,代码复制直接有效 。