jsp截屏

jsp截屏 import java.awt.Dimension; import java.awt.Rectangle; import java.awt.Robot; import java.awt.Toolkit; import java.awt.image.BufferedImage; import java.io.File; import javax.imageio.ImageIO; /******************************************************************************* * ?ÃJavaBean?ÉÒÔÖ??ÓÔÚÆäËûJavaÓ?ÓÃ?ÌÐòÖе?ÓÃ??ʵÏÖÆÁÄ?µÄ"ÅÄÕÕ" This JavaBean is used to snapshot the * GUI in a Java application! You can embeded it in to your java application * source code, and us it to snapshot the right GUI of the application * * @see javax.ImageIO * @author liluqun ([email]liluqun@263.net[/email]) * @version 1.0 * ******************************************************************************/ class GuiCamera { private String fileName; // ÎÄ?þµÄÇ?׺ private String defaultName = "GuiCamera"; static int serialNum = 0; private String imageFormat; // Í?ÏñÎÄ?þµÄ?ñÊ? private String defaultImageFormat = "png"; Dimension d = Toolkit.getDefaultToolkit().getScreenSize(); /*********************************************************************** * Ä?ÈϵÄÎÄ?þÇ?׺ΪGuiCamera??ÎÄ?þ?ñÊ?ΪPNG?ñÊ? The default construct will use the * default Image file surname "GuiCamera", and default image format * "png" **********************************************************************/ public GuiCamera() { fileName = defaultName; imageFormat = defaultImageFormat; } /*********************************************************************** * @param s * the surname of the snapshot file * @param format * the format of the image file, it can be "jpg" or "png" * ????ÔìÖ??ÖJPGºÍPNGÎÄ?þµÄ?æ?? **********************************************************************/ public GuiCamera(String s, String format) { fileName = s; imageFormat = format; } /*********************************************************************** * ?ÔÆÁÄ??øÐÐÅÄÕÕ snapShot the Gui once **********************************************************************/ public void snapShot() { try { // ????ÆÁÄ?µ?Ò??öBufferedImage?ÔÏóscreenshot //ÕâÀï createScreenCaptureÖеÄ4?ö?ÎÊý?ÍÊÇÐèÒª?ØÈ?µÄÍ?ÐεÄ2?ö??µã??Ò??ÍÊÇÍ??ýjsÈ???µÄ2?öµã BufferedImage screenshot = (new Robot()) .createScreenCapture(new Rectangle(0, 0, (int) d.getWidth(), (int) d.getHeight())); serialNum++; // ?ù?ÝÎÄ?þÇ?׺?äÁ?ºÍÎÄ?þ?ñÊ??äÁ???×Ô??Éú?ÉÎÄ?þÃû String name = fileName + String.valueOf(serialNum) + "." + imageFormat; File f = new File(name); System.out.print("Save File " + name); // ??screenshot?ÔÏóÐ?ÈëÍ?ÏñÎÄ?þ ImageIO.write(screenshot, imageFormat, f); System.out.print("..Finished! "); } catch (Exception ex) { System.out.println(ex); } } public static void main(String[] args) { GuiCamera cam = new GuiCamera("Test", "png"); cam.snapShot(); } }