JAVA做的图片浏览GUI源代码

import java.awt.*; import java.awt.event.ActionEvent; import javax.swing.*; public class FileChooser { public static JFrame frame; public static JPanel conPane; public static JFileChooser fileChooser; private JPanel scanlePane=new JPanel(); private static String[] files; private static String ParentPath; private static String filename; private static JLabel label1; public static String filePath; private int skip=0; private static int tag=0; private JLabel[] label=new JLabel[5]; //保存图片的大小 private static int width=0; private static int heigth=0; private static ImageIcon ig; public void FileChoosercr() { frame = new JFrame("文件选择"); conPane = (JPanel) frame.getContentPane(); conPane.setLayout(new BorderLayout()); fileChooser = new JFileChooser(); //添加FileFilter fileChooser.setFileFilter(new ImageFilter()); //Accept file from file filter. fileChooser.addChoosableFileFilter(new ImageFilter()); fileChooser.setAcceptAllFileFilterUsed(true); //Add custom icons for file types. fileChooser.setFileView(new ImageFileView()); //添加文件预览 fileChooser.setAccessory(new ImagePreview(fileChooser)); // fileChooser.addActionListener(new FileChooserListener()); // 选择 确定、取消按钮 int returnVal = fileChooser.showOpenDialog(frame); if (returnVal == JFileChooser.APPROVE_OPTION) { filename=fileChooser.getSelectedFile().getName(); System.out.println(filename); filePath = fileChooser.getSelectedFile().getAbsolutePath(); ig=new ImageIcon(filePath); width=ig.getIconWidth(); heigth=ig.getIconHeight(); PicBrowseFrame.lab.setIcon(ig); //获取文件的父路径 ParentPath=fileChooser.getSelectedFile().getParent(); files = fileChooser.getSelectedFile().getParentFile().list(); //这里加入图片的缩小浏览，采用滚动条 scanlePane.setBackground(new Color(16712)); scanlePane.setBounds(0, 0, 800, 20); scanlePane.setLayout(new GridLayout(1,8,0,20)); JButton upPage=new JButton("上一页"); upPage.addActionListener(new UpPageListener()); JButton downPage=new JButton("下一页"); downPage.addActionListener(new DownPageListener()); scanlePane.add(upPage); scanlePane.add(downPage); preView(); //END } if (returnVal == JFileChooser.CANCEL_OPTION) { frame.dispose(); } // end //获取文件的文件路径 conPane.add(fileChooser); frame.pack(); frame.setLocation(210, 230); frame.setVisible(true); frame.dispose(); } //查找图片的位置 private void pointPic() { for (int i = 0; i < files.length; i++) { if (files[i].equalsIgnoreCase(filename)) { tag = i; break; } } } //这里加入图片的缩小浏览，采用滚动条 private void preView(){ int length=tag+5; int j=0; for(int i=tag;i<length;i++){ if(new FileNameFilter().acceptfile(files[i])){ try{ ImageIcon iconScanle=new ImageIcon(ParentPath+"\\"+files[i]); ImageIcon scaleIcon = new ImageIcon(new imgVisible().getScaledImage(iconScanle.getImage(),50,50,1)); label[j]=new JLabel(scaleIcon); scanlePane.add(label[j]); j++; PicBrowseFrame.conPane.add(scanlePane,BorderLayout.SOUTH); }catch(java.lang.NullPointerException e){} }else length+=1; } } //图片的缩小浏览的滚动 private void preViewMove(int tag){ int length=tag+5; int j=0; for(int i=tag;i<length;i++){ if(new FileNameFilter().acceptfile(files[i])){ try{ ImageIcon iconScanle=new ImageIcon(ParentPath+"\\"+files[i]); ImageIcon scaleIcon = new ImageIcon(new imgVisible().getScaledImage(iconScanle.getImage(),50,50,1)); label[j].setIcon(scaleIcon); scanlePane.add(label[j]); j++; }catch(java.lang.NullPointerException e){} }else length+=1; } } //放大图片 private ImageIcon srcImg; public void picUpScanle(){ srcImg=new ImageIcon(filePath); width+=50; heigth+=50; ImageIcon scaleIcon = new ImageIcon(new imgVisible().getScaledImage(srcImg.getImage(),width,heigth,1)); PicBrowseFrame.lab.setIcon(scaleIcon); } //缩小图片 public void picDownScanle(){ srcImg=new ImageIcon(filePath); width-=50; heigth-=50; ImageIcon scaleIcon = new ImageIcon(new imgVisible().getScaledImage(srcImg.getImage(),width,heigth,1)); PicBrowseFrame.lab.setIcon(scaleIcon); } //上下页的监听事件 class UpPageListener implements java.awt.event.ActionListener{ public void actionPerformed(ActionEvent e){ tag-=1; ImageIcon ig=new ImageIcon(ParentPath+"\\"+files[tag]); preViewMove(tag); PicBrowseFrame.lab.setIcon(ig); filePath=ParentPath+"\\"+files[tag]; } } class DownPageListener implements java.awt.event.ActionListener{ public void actionPerformed(ActionEvent e){ tag+=1; ImageIcon ig=new ImageIcon(ParentPath+"\\"+files[tag]); preViewMove(tag); PicBrowseFrame.lab.setIcon(ig); filePath=ParentPath+"\\"+files[tag]; } } //End }