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   源码介绍

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基于android手机的远程视频监控系统

/*
*   @version 1.2 2012-06-29
*   @author wanghai
*/

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;

import javax.imageio.*;
import javax.swing.*;
import java.net.Socket;
import java.net.ServerSocket;

/**
*在服务器开启情况下，启动客户端，创建套接字接收图像
*/

public class ImageServer {
    public static ServerSocket ss = null;
    
    public static void main(String args[]) throws IOException{    
    ss = new ServerSocket(6000);
        
        final ImageFrame frame = new ImageFrame(ss);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setVisible(true);
       
        while(true){
        frame.panel.getimage();
            frame.repaint();
        }        
    }
       
}

/** 
    A frame with an image panel
*/
@SuppressWarnings("serial")
class ImageFrame extends JFrame{
public ImagePanel panel;
public JButton jb;
   
    public ImageFrame(ServerSocket ss){
       // get screen dimensions     
       Toolkit kit = Toolkit.getDefaultToolkit();
        Dimension screenSize = kit.getScreenSize();
        int screenHeight = screenSize.height;
        int screenWidth = screenSize.width;

        // center frame in screen
        setTitle("ImageTest");
        setLocation((screenWidth - DEFAULT_WIDTH) / 2, (screenHeight - DEFAULT_HEIGHT) / 2);
        setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);

        // add panel to frame
        this.getContentPane().setLayout(null);
        panel = new ImagePanel(ss);
        panel.setSize(640,480);
        panel.setLocation(0, 0);
        add(panel);
        jb = new JButton("拍照");
        jb.setBounds(0,480,640,50);
        add(jb);
        saveimage saveaction = new saveimage(ss);
        jb.addActionListener(saveaction);
    }

    public static final int DEFAULT_WIDTH = 640;
    public static final int DEFAULT_HEIGHT = 560;  
}

/**
   A panel that displays a tiled image
*/
@SuppressWarnings("serial")
class ImagePanel extends JPanel {     
    private ServerSocket ss;
    private Image image;
    private InputStream ins;
 
    public ImagePanel(ServerSocket ss) {  
   this.ss = ss;
    }
    
    public void getimage() throws IOException{
    Socket s = this.ss.accept();
        System.out.println("连接成功!");
        this.ins = s.getInputStream();
this.image = ImageIO.read(ins);
this.ins.close();
    }
   
    public void paintComponent(Graphics g){  
        super.paintComponent(g);    
        if (image == null) return;
        g.drawImage(image, 0, 0, null);
    }

}

class saveimage implements ActionListener {
RandomAccessFile inFile = null;
byte byteBuffer[] = new byte[1024];
InputStream ins;
private ServerSocket ss;

public saveimage(ServerSocket ss){
this.ss = ss;
}

public void actionPerformed(ActionEvent event){
        try {
Socket s = ss.accept();
ins = s.getInputStream();

// 文件选择器以当前的目录打开
       JFileChooser jfc = new JFileChooser(".");
       jfc.showSaveDialog(new javax.swing.JFrame());
       // 获取当前的选择文件引用
       File savedFile = jfc.getSelectedFile();
       
       // 已经选择了文件
       if (savedFile != null) {
           // 读取文件的数据，可以每次以快的方式读取数据
           try {
inFile = new RandomAccessFile(savedFile, "rw");
} catch (FileNotFoundException e) {
e.printStackTrace();
}
       }

            int amount;
            while ((amount = ins.read(byteBuffer)) != -1) {
                inFile.write(byteBuffer, 0, amount);
            }
            inFile.close();
            ins.close();
            s.close();
            javax.swing.JOptionPane.showMessageDialog(new javax.swing.JFrame(),
                    "已接保存成功", "提示!", javax.swing.JOptionPane.PLAIN_MESSAGE);
} catch (IOException e) {

e.printStackTrace();
}
}
}