广州市城乡和建设局网站,wordpress自动采集,中职网站建设教学计划,软件制作是什么专业出于教育目的#xff0c;我尝试制作一个服务器和一个客户端#xff0c;其中服务器从多个客户端接收数据并回显每条消息。问题是#xff0c;当我尝试让服务器一次将回显发送到所有客户端时。public class SocketServer {ArrayList ts new ArrayList();ServerSocket serv;sta…出于教育目的我尝试制作一个服务器和一个客户端其中服务器从多个客户端接收数据并回显每条消息。问题是当我尝试让服务器一次将回显发送到所有客户端时。public class SocketServer {ArrayList ts new ArrayList();ServerSocket serv;static MainServerThread mst new MainServerThread();// ^ IDE(eclipse) underlines this as the problemSocketServer() {EventQueue.invokeLater(mst);}public static void main(String[] args) {Thread tr new Thread(mst);tr.start();}void send(String s) {for (int i 0; i ts.size(); i) {MyRunnable tmp ts.get(i);tmp.sendToClient(s);}}class MainServerThread implements Runnable {public void run() {try {serv new ServerSocket(13131);boolean done false;while (!done) {Socket s serv.accept();MyRunnable r new MyRunnable(s);Thread t new Thread(r);ts.add(r);t.start();}} catch(Exception e) {e.printStackTrace();}}}class MyRunnable implements Runnable {Socket sock;PrintWriter out;Scanner in;MyRunnable(Socket soc) {sock soc;}public void run() {try {try {out new PrintWriter(sock.getOutputStream(), true);in new Scanner(sock.getInputStream());boolean done false;while (!done) {String line in.nextLine();send(Echo: line);System.out.println(Echo: line);if (line.trim().equals(BYE)) done true;}} finally {sock.close();}} catch (Exception e) {e.printStackTrace();}}public void sendToClient(String s) {out.println(s);}}}我搜寻并回答了许多类似的问题但是没有一个对我有帮助。希望你能指出我的错误。提前致谢。
