java.viewer图片浏览器，java.viewer浏览器,import java.

java.viewer图片浏览器，java.viewer浏览器,import java.

import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.image.CropImageFilter;import java.awt.image.FilteredImageSource;import java.awt.image.ImageFilter;import java.awt.image.ImageProducer;import java.io.File;import javax.swing.*;public class vicePic implements ActionListener {    JLabel imgLable;    JFrame mainJframe;    Container con;    JTextField fileFiled;    JButton openBtn,cutBtn;    JPanel pane;    JScrollPane spanel;    ImageIcon img;    public vicePic(){        mainJframe=new JFrame("图形显示比例");        con=mainJframe.getContentPane();        pane=new JPanel();        pane.setLayout(new FlowLayout());        openBtn=new JButton("打开文件");        openBtn.addActionListener(this);        cutBtn=new JButton("剪切图片");        cutBtn.addActionListener(this);        fileFiled=new JTextField();        fileFiled.setColumns(20);        pane.add(fileFiled);        pane.add(openBtn);        pane.add(cutBtn);        imgLable =new JLabel();        spanel=new JScrollPane(imgLable);        con.add(pane,BorderLayout.NORTH);        con.add(spanel,BorderLayout.CENTER);        mainJframe.setSize(800, 800);        mainJframe.setVisible(true);        mainJframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        }    @Override    public void actionPerformed(ActionEvent e) {        String cmd=e.getActionCommand();        ImageFilter cropFilter;        Image croppedImage;        ImageProducer produer;        if(cmd.equals("打开文件")){        try{            JFileChooser chooser=new JFileChooser();            if(chooser.showOpenDialog(mainJframe)==JFileChooser.APPROVE_OPTION){                File tempfile=chooser.getSelectedFile();                fileFiled.setText(tempfile.toString());                img=new ImageIcon(fileFiled.getText());                imgLable.setIcon(img);                      }http://www.huiyi8.com/jiaoben/        }catch(Exception el){            JOptionPane.showMessageDialog(mainJframe, "图品无法显示");        }        }        if(cmd.equals("剪切图片")){            cropFilter=new CropImageFilter(100, 100, 200, 200);            produer=new FilteredImageSource(img.getImage().getSource(), cropFilter);            croppedImage=Toolkit.getDefaultToolkit().createImage(produer);            imgLable.setIcon(new ImageIcon(croppedImage));            }    }    public static void main(String[] args){        new vicePic();    }}