Big Data Java Foundation 18th day job

First question: UDP transmission screen broadcast (less than 64k). import javax.swing.jframe;import javax.swing.jlabel;import javax.swing.imageicon;import  java.net.datagrampacket;import java.net.datagramsocket;class clientdemo{     Public static void main (String[] args)  throws Exception{         clientui ui = new clientui ();         new clientreceive (UI). Start ();     }}class clientui extends  JFrame{    private JLabel label;    private  Imageicon icon;    public clientui () {         ini ();     }    public void ini () {         this.setbounds (0,0,600,400);         This.setlayout(null);         label = new jlabel ();         label.setbounds (0,0,600,400);         Label.setlayout (null);         icon = new imageicon ("e:/ A.png ");         label.seticon (icon);         this.add (label);         this.setvisible (True);     }    public void refreshimage (Byte[] image_arr) {         label.seticon (New imageicon (Image_arr));     }}class clientreceive extends thread{    private datagramsocket  socket;    private ClientUI ui;    public  Clientreceive (Clientui ui) &NBsp;throws exception{        this.ui = ui;         socket = new datagramsocket (8889);     }     public void run () {        try{             int i = 0;             while (True) {                 byte[] buf = new byte[1024*60];                 datagrampacket  packet = new datagrampacket (buf,buf.length);                 socket.receive (packet);          &nBsp;      int length = packet.getlength ();                 ui.refreshimage (BUF);                 thread.sleep (1000);             }         }catch (exception e) {             E.printstacktrace ();        }    }}import  java.net.datagramsocket;import java.net.datagrampacket;import java.net.inetaddress;import  java.awt.rectangle;import java.awt.image.bufferedimage;import java.awt.robot;import  Javax.imageio.imageio;import java.io.fileoutputstream;import java.io.bytearrayoutputstream;import  java.util.zip.gzipoutputstream;class&nbSp Serverdemo{    public static void main (String[] args)  throws  exception{        datagramsocket socket = new  datagramsocket (8888);        int i = 0;         while (True) {             byte[] buf = null;             buf = new byte[1024*60];             rectangle rect = new rectangle (0,0,600,400);             BufferedImage image =  (New robot ()). Createscreencapture (Rect);                         bytearrayoutputstream baos = new bytearrayoutputstream ();             imageio.write (image, "jpg", BAOs);             byte[] zipdata = baos.tobytearray () ;                         datagrampacket packet = new datagrampacket (ZipData, Zipdata.length);             inetaddress addr  = inetaddress.getbyname ("127.0.0.1");             packet.setaddress (addr);             Packet.setport (8889);             socket.send ( packet);             i++;             thread.sleep (;           )  system.out.println (i);         }    }}

This article is from the "Forest Sensitive" blog, please be sure to keep this source http://senlinmin.blog.51cto.com/6400386/1790128

Big Data Java Foundation 18th day job