java照片查看器源代碼

1、packageioStreamimptjava.awt.AWTEventimptjava.awt.Colimptjava.awt.Graphicsimptjava.awt.Graphics2Dimptjava.awt.Imageimptjava.awt.Toolkitimptjava.awt.event.AWTEventListenerimptjava.awt.event.ActionEventimptjava.awt.event.Ac

2、tionListenerimptjava.awt.event.KeyEventimptjava.awt.event.MouseWheelEventimptjava.awt.event.MouseWheelListenerimptjava.awt.geom.Affiransfmimptjava.io.Fileimptjava.util.LinkedListimptjava.util.Listimptjavax.swing.ImageIco

3、nimptjavax.swing.JFileChooserimptjavax.swing.JFrameimptjavax.swing.JPanelimptjavax.swing.Timerimptjavax.swing.UIManagerimptjavax.swing.filechooser.FileNameExtensionFilter該代碼意在實(shí)現(xiàn)照片查看器的功能當(dāng)按下“右箭頭”時(shí)瀏覽下一張圖片當(dāng)按下“左箭頭“時(shí)瀏覽上一張圖片實(shí)現(xiàn)循

4、環(huán)瀏覽當(dāng)按下“Ecs“時(shí)推出全屏瀏覽模式當(dāng)按下CTRL“上箭頭”時(shí)，全屏顯示只能瀏覽指定文件夾下面的所支持格式的圖片（gifjpgpng）鏈表的大小與他的最大角標(biāo)相隔1publicclassPicsViewerstaticJFrameframe0原始的全屏顯示的窗口staticintSWidth=Toolkit.getDefaultToolkit().getScreenSize().widthstaticintSHeight=Toolk

5、it.getDefaultToolkit().getScreenSize().heightstaticImageicon=(newImageIcon(“PicsViewerimg.png“)).getImage()框架圖標(biāo)JFileChooserchooser聲明一個(gè)文件選擇器對(duì)象staticJPanelimgjpintreturnVal=chooser.showOpenDialog(frame0)if(returnVal==JFile

6、Chooser.APPROVE_OPTION)img=(newImageIcon(chooser.getedFile().toString())).getImage()CPath=chooser.getCurrentDirecty().toString()System.getProperty(“file.separat“)newPath=CPath.replaceAll(““““)路徑轉(zhuǎn)換root=newFile(newPath)img

7、0=imgimgjp.repaint()findImage(root)catch(Exceptionevt)Toolkittoolkit=Toolkit.getDefaultToolkit()toolkit.addAWTEventListener(newShtcutKeyListener()AWTEvent.KEY_EVENT_MASK|AWTEvent.MOUSE_EVENT_MASK|AWTEvent.WINDOW_EVENT_MA

8、SK)添加鍵盤監(jiān)聽事件，當(dāng)點(diǎn)擊鍵盤上的方向鍵右鍵時(shí)瀏覽下一張圖片，點(diǎn)擊左箭頭瀏覽上一張，當(dāng)按下上箭頭時(shí)對(duì)當(dāng)前圖片進(jìn)行放大操作當(dāng)按下下箭頭時(shí)，對(duì)當(dāng)前瀏覽的圖片進(jìn)行縮小操作同時(shí)添加鼠標(biāo)滾輪監(jiān)聽事件，也對(duì)當(dāng)前圖片進(jìn)行縮放操作imgjp.addMouseWheelListener(newMouseWheelListener()publicvoidmouseWheelMoved(MouseWheelEvente)if(e.getWheelRota