Java Socket文件上传

客户端：

import java.io.FileInputStream;

import java.net.Socket;

/**

 * Created by 290248126 on 14-5-11.

 */

public class Client {

    public static void main(String[] args) throws Exception {

        FileInputStream fileInputStream = new FileInputStream("e:/1.png");

        Socket socket = new Socket("localhost", 8088);

        byte[] buff = new byte[1024];

        int length;

        while ((length = fileInputStream.read(buff)) != -1) {

            socket.getOutputStream().write(buff, 0, length);

        }

        //至关重要，告诉服务器，客户端已经发送完毕

        socket.shutdownOutput();

        //获取服务器发过来的提示信息

        length = socket.getInputStream().read(buff);

        System.out.println("服务器：" + new String(buff, 0, length));

        socket.close();

        fileInputStream.close();

    }

}

服务器：

import java.io.FileOutputStream;

import java.net.ServerSocket;

import java.net.Socket;

/**

 * Created by 290248126 on 14-5-11.

 */

public class Server {

    public static void main(String[] args) throws Exception {

        FileOutputStream fileOutputStream = new FileOutputStream("e:/2.png");

        ServerSocket serverSocket = new ServerSocket(8088);

        Socket socket = serverSocket.accept();

        byte[] buff = new byte[1024];

        int length;

        //客户端代码中调用了socket的shutdownOutput()方法，使返回-1，循环结束

        while ((length = socket.getInputStream().read(buff)) != -1) {

            fileOutputStream.write(buff, 0, length);

        }

        socket.getOutputStream().write("文件上传成功！".getBytes());
fileOutputStream.close();

        socket.close();

        serverSocket.close();

    }

}

Java Socket文件上传