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這篇文章主要介紹了Java Socket怎樣實現簡易聊天室,具有一定借鑒價值,感興趣的朋友可以參考下,希望大家閱讀完這篇文章之后大有收獲,下面讓小編帶著大家一起了解一下。
Java-Socket編程實現簡易聊天室(TCP),具體內容如下
實現一個服務器接收多個客戶端
測試:
首先啟動服務器,然后啟動三個客戶端,輸入三個不同的用戶名,分別在聊天室發消息
看其他客戶端是否能接收到消息
效果如下圖:
一號發消息
可以在二號和三號客戶端接收到消息
服務器設計
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.ServerSocket; import java.net.Socket; import java.util.ArrayList; import java.util.List; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; public class Server1 { static public List<Client> list = new ArrayList<Client>(); static ExecutorService cachedThreadPool = Executors.newCachedThreadPool(); public static void main(String[] args) { //創建一個ServerSocket監聽端口 try (ServerSocket server = new ServerSocket(5678)) { while (true) { // 利用死循環不停的監聽端口 Socket s = server.accept();// 利用Socket服務器的accept()方法獲取客戶端Socket對象。 addClient(s); } } catch (IOException e) { e.printStackTrace(); } } // 添加客戶端 private static void addClient(Socket s) { String name; try { BufferedReader in = new BufferedReader(new InputStreamReader(s.getInputStream())); name = in.readLine(); Client c = new Client(name, s);// 創建客戶端處理線程對象 System.out.println(name); list.add(c); cachedThreadPool.execute(c); } catch (IOException e) { e.printStackTrace(); } } static class Client implements Runnable { String name; // 客戶端名字 Socket s = null; // 保存客戶端Socket對象 BufferedReader in; PrintWriter out; Client(String name, Socket s) { this.s = s; this.name = name; try { in = new BufferedReader(new InputStreamReader(s.getInputStream())); out = new PrintWriter(s.getOutputStream()); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } @Override public void run() { try { while (true) { String str = in.readLine(); for (int j = 0; j < list.size(); j++) { Server1.Client c = list.get(j); if (c != this) { System.out.println(str); c.send(str+"-|1|2|-"+name); } } if (str.equals("end")) break; } try { s.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } public void send(String str) throws IOException { out.println(str); out.flush(); } } }
客戶端設計
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.Socket; import java.util.Scanner; public class Client1 { public static String name = null; static Socket socket = null; static BufferedReader in; static PrintWriter out; public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.print("輸入用戶名:>"); name = sc.nextLine(); try { // socket = new Socket("116.62.173.212", 5678); socket = new Socket("127.0.0.1", 5678); System.out.println(socket); System.out.println("已連接服務器>"); out = new PrintWriter(socket.getOutputStream()); in = new BufferedReader(new InputStreamReader(socket.getInputStream())); Thread receive = new Thread(new receiveThread()); receive.start(); out.println(name); out.flush(); String msg; while (true) { // System.out.print("你說:>"); msg = sc.nextLine(); out.println(msg); out.flush(); if (msg.equalsIgnoreCase("end")) break; } } catch (IOException e) { e.printStackTrace(); } } static class receiveThread implements Runnable{ @Override public void run() { try { while (socket!=null) { String str = in.readLine(); String message = str.split("-\\|1\\|2\\|-")[0]; String name = str.split("-\\|1\\|2\\|-")[1]; System.out.println(name + ":>" + message); } }catch(Exception e) { e.printStackTrace(); } } } }
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