服务端
ServerSocket serverSocket = new ServerSocket(8688);
Socket client = serverSocket.accept();
//向客户端发送消息
PrintWriter pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(client.getOutputStream())));
pw.print("欢迎来到聊天室");
//从客户端接受消息
BufferedReader br = new BufferedReader(new InputStreamReader(client.getInputStream()));
String str = br.readLine();
Log.d("xl", str);
br.close();
pw.close();
client.close();
客户端
socket = new Socket("localhost", 8688);
Socket mClientSocket = socket;
//向服务端发送消息
PrintWriter pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(mClientSocket.getOutputStream())),true);
pw.write("hahaha");
//从服务端接受消息
BufferedReader br = new BufferedReader(new InputStreamReader(mClientSocket.getInputStream()));
String s = br.readLine();
