[JAVA]Socket 图片流的传输

import java.io.DataInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.OutputStream;

import java.net.ServerSocket;

import java.net.Socket;



public class Server {

    public static void main(String[] args) {

        System.out.println("--->server");

        try {

            ServerSocket server = new ServerSocket(4700);

            Socket socket = server.accept();

            DataInputStream dis = new DataInputStream(socket.getInputStream());

            String type = dis.readUTF();

            System.out.println("type: " + type);



            // long len = dis.readLong();

            // System.out.println("len: " + len);



            byte[] buff = new byte[1024];

            OutputStream os = new FileOutputStream("C:/Users/Administrator/Desktop/dts.jpg");

            int len = -1;

            while ((len = dis.read(buff)) != -1) {

                os.write(buff, 0, len);

            }

            os.flush();

            os.close();

            dis.close();

        } catch (IOException e) {

            e.printStackTrace();

        }

        System.out.println("server--->");

    }

}

import java.io.DataOutputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.InputStream;

import java.net.Socket;



public class Client {

    public static void main(String args[]) {

        try {

            Socket socket = new Socket("127.0.0.1", 4700);

            if (socket.isConnected()) {

                System.out.println("isConnected");

                DataOutputStream dos = new DataOutputStream(socket.getOutputStream());

                dos.writeUTF("STREAM");

                File file = new File("C:/Users/Administrator/Desktop/src.jpg");

                // dos.writeLong(file.length());

                byte[] buff = new byte[1024];

                InputStream inputStream = new FileInputStream(file);

                int len = -1;

                while ((len = inputStream.read(buff)) != -1) {

                    dos.write(buff, 0, len);

                }

                inputStream.close();

                dos.flush();

                dos.close();

            }

            // socket.close(); // 关闭Socket

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

}