客户端
public class Client {
public static void main(String[] args) {
String serverName = "localhost";
int port = 8080;
try {
System.out.println("连接到主机:" + serverName + " ,端口号:" + port);
Socket client = new Socket(serverName, port);
System.out.println("远程主机地址:" + client.getRemoteSocketAddress());
OutputStream outToServer = client.getOutputStream();
DataOutputStream out = new DataOutputStream(outToServer);
out.writeUTF("Hello from " + client.getLocalSocketAddress());
InputStream inFromServer = client.getInputStream();
DataInputStream in = new DataInputStream(inFromServer);
System.out.println("服务器响应: " + in.readUTF());
client.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
服务端
public class Server extends Thread {
private ServerSocket serverSocket;
public Server(int port) throws IOException {
serverSocket = new ServerSocket(port);
serverSocket.setSoTimeout(100000);
}
public void run() {
while (true) {
try {
System.out.println("等待远程连接,端口号为:" + serverSocket.getLocalPort() + "...");
Socket server = serverSocket.accept();
System.out.println("远程主机地址:" + server.getRemoteSocketAddress());
DataInputStream in = new DataInputStream(server.getInputStream());
System.out.println(in.readUTF());
DataOutputStream out = new DataOutputStream(server.getOutputStream());
out.writeUTF("谢谢连接我:" + server.getLocalSocketAddress());
server.close();
} catch (SocketTimeoutException s) {
System.out.println("Socket timed out!");
break;
} catch (IOException e) {
e.printStackTrace();
break;
}
}
}
public static void main(String[] args) {
int port = 8080;
try {
Thread t = new Server(port);
t.run();
} catch (IOException e) {
e.printStackTrace();
}
}
}
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