javaimportants/severRunable.java

import java.io.*;
import java.net.Socket;
import java.util.Properties;

public class severRunable implements Runnable{
    Socket socket;

    public severRunable(Socket socket) {
        this.socket = socket;
    }

    public void run() {
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            while(true){
                if(!sever.list.contains(socket)){
                    sever.list.add(socket);
                }
                String message = br.readLine();
                System.out.println( "收到消息：" + message);
                for (Socket s : sever.list) {
                    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(s.getOutputStream()));
                    bw.write("收到消息："+message);
                    bw.newLine();
                    bw.flush();
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            socket.close();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

}