对于每个客户端，你需要启动单独的线程。例：@H_419_1@
public class ThreadedEchoServer {
static final int PORT = 1978;
public static void main(String args[]) {
ServerSocket serverSocket = null;
Socket socket = null;
try {
serverSocket = new ServerSocket(PORT);
} catch (IOException e) {
e.printStackTrace();
}
while (true) {
try {
socket = serverSocket.accept();
} catch (IOException e) {
System.out.println("I/O error: " + e);
}
// new thread for a client
new EchoThread(socket).start();
}
}
}
和@H_419_1@
public class EchoThread extends Thread {
protected Socket socket;
public EchoThread(Socket clientSocket) {
this.socket = clientSocket;
}
public void run() {
InputStream inp = null;
BufferedReader brinp = null;
DataOutputStream out = null;
try {
inp = socket.getInputStream();
brinp = new BufferedReader(new InputStreamReader(inp));
out = new DataOutputStream(socket.getOutputStream());
} catch (IOException e) {
return;
}
String line;
while (true) {
try {
line = brinp.readLine();
if ((line == null) || line.equalsIgnoreCase("QUIT")) {
socket.close();
return;
} else {
out.writeBytes(line + "\n\r");
out.flush();
}
} catch (IOException e) {
e.printStackTrace();
return;
}
}
}
}
你还可以使用更高级的解决方案，该解决方案使用NIO选择器，因此你不必为每个客户端创建线程，但这要复杂一些。@H_419_1@
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