[网络编程]TCP实现客户端发送文件给服务端，服务端将文件保存在本地

public class TCPTest2 {

    @Test
    public void client(){
        Socket socket = null;
        OutputStream os = null;
        FileInputStream fis = null;
        try {
            socket = new Socket(InetAddress.getByName("127.0.0.1"),9090);

            os = socket.getOutputStream();
            fis = new FileInputStream(new File("dog.jpg"));

            byte[] buffer = new byte[1024];
            int len;
            while ((len = fis.read(buffer)) != -1){
                os.write(buffer,0,len);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (fis != null){
                try {
                    fis.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

            if (os != null){
                try {
                    os.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

            if (socket != null){
                try {
                    socket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    @Test
    public void server(){

        ServerSocket ss = null;
        Socket socket = null;
        InputStream is = null;
        FileOutputStream fos = null;
        try {
            ss = new ServerSocket(9090);

            socket = ss.accept();

            is = socket.getInputStream();

            fos = new FileOutputStream(new File("cheems.jpg"));

            byte[] buffer = new byte[1024];
            int len;
            while ((len = is.read(buffer)) != -1){
                fos.write(buffer,0,len);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (fos != null){
                try {
                    fos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

            if (is != null){
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

            if (socket != null){
                try {
                    socket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

            if (ss != null){
                try {
                    ss.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

        }
    }
}