Socket文件

public class FileSend {
    //文件发送者  客户端
    public static void main(String[] args) throws IOException {
        Socket socket = new Socket("127.0.0.1",9999);
        System.out.println("客户端发起连接");

        //开始传送文件
        OutputStream outputStream = socket.getOutputStream();
        // 把文件加载到内存之中
        FileInputStream inputStream = new FileInputStream("E:\\shiro.pdf");
        byte[] tt=new byte[100];
        int read = -1;
        //一直读 一直写
        while ((read=inputStream.read(tt))!=-1){
            outputStream.write(tt,0,read);
        }

    }
}

public class FileReceiver {
    //文件接受者 服务端
    public static void main(String[] args) throws IOException {
        ServerSocket socketService = new ServerSocket(9999);
        Socket accept = socketService.accept();
        System.out.println("等待客户端连接");

        //接收文件
        InputStream inputStream = accept.getInputStream();
        byte []tt=new byte[100];
        int len = -1 ;
        OutputStream outputStream = new FileOutputStream("D:\\tt.pdf");
        int read = inputStream.read(tt);
        while ((len=inputStream.read(tt))!=-1){
            outputStream.write(tt,0,len);
        }

    }
}