网络编程(TCP协议上传文本文件)

public class TCPClient {
    public static void main(String[] args) throws IOException {
        InetAddress localHost = InetAddress.getLocalHost();
        //因为只有本地电脑，所以发送本地本地的ip，找个端口号接上
        String hostAddress = localHost.getHostAddress();
        //发送的ip地址和端口号
        Socket socket = new Socket(hostAddress, 6666);
        OutputStream out = socket.getOutputStream();
        //包装客户端输出流
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out));
        //需要读取的文件
        BufferedReader reader = new BufferedReader(new FileReader("Client.txt"));
        String line = null;
        while ((line = reader.readLine())!=null) {

            writer.write(line);
            writer.newLine();
            writer.flush();
        }
        reader.close();
        socket.close();
    }

public class TCPServer {
    public static void main(String[] args) throws IOException {
        ServerSocket serverSocket = new ServerSocket(6666);
        System.out.println("服务器已开启.....");
        //开启监听器
        Socket accept = serverSocket.accept();
        //获取服务器输入流
        InputStream in = accept.getInputStream();
        //包装服务器输入流
        BufferedReader reader = new BufferedReader(new InputStreamReader(in));
        //上传文件的位置和名字
        BufferedWriter writer = new BufferedWriter(new FileWriter("copy.txt"));
        String line = null;
        while ((line = reader.readLine())!=null) {
            writer.write(line);
            writer.newLine();
            writer.flush();
        }

        writer.close();
        serverSocket.close();
    }
}