java Socket编程--多线程实现为多个客户端服务
为多个客户端服务
1.服务器端
package Socket; import java.io.IOException; import java.net.ServerSocket; import java.net.Socket; public class ThreadedEchoServer { public static void main(String args[]){ int i = 1; try { ServerSocket s = new ServerSocket(8189); while(true) { Socket incoming = s.accept(); System.out.println("number "+i ); Runnable r = new ThreadedEchoHandler(incoming); Thread t = new Thread(r); t.start(); i++; } } catch (IOException e) { e.printStackTrace(); } } }
2.客户端
package Socket; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.net.Socket; import java.util.Scanner; public class ThreadedEchoHandler implements Runnable { Socket incoming ; public ThreadedEchoHandler(Socket incoming) { this.incoming = incoming; } public void run() { try { try { InputStream inStream = incoming.getInputStream(); OutputStream outStream = incoming.getOutputStream(); Scanner in = new Scanner(inStream); PrintWriter out = new PrintWriter(outStream, true/*autoFlush*/); out.println("Hello! Enter BYE to exit."); //echo Client input boolean done = false; while (!done && in.hasNext()) { String line = in.next(); out.println("Echo: " + line); if (line.trim().equals("BYE")) done = true; } } finally{ incoming.close(); } } catch (IOException e) { e.printStackTrace(); } } }