Java 截图代码

import java.awt.image.BufferedImage; import java.io.File;

import javax.imageio.ImageIO;

/*******************************************************************************

* 该JavaBean可以直接在其他Java应用程序中调用，实现屏幕的\"拍照\" 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; // 文件的前缀

private String defaultName = \"GuiCamera\";

static int serialNum = 0;

private String imageFormat; // 图像文件的格式

private String defaultImageFormat = \"png\";

Dimension d = Toolkit.getDefaultToolkit().getScreenSize();

/*********************************************************************** * 默认的文件前缀为GuiCamera，文件格式为PNG格式 The default construct will use the

* default Image file surname \"GuiCamera\ * \"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\"

* 本构造支持JPG和PNG文件的存储

**********************************************************************/ public GuiCamera(String s, String format) {

fileName = s;

imageFormat = format; }

/*********************************************************************** * 对屏幕进行拍照 snapShot the Gui once

**********************************************************************/ public void snapShot() { try {

// 拷贝屏幕到一个BufferedImage对象screenshot BufferedImage screenshot = (new Robot()) .createScreenCapture(new Rectangle(0, 0, (int) d.getWidth(), (int) d.getHeight())); serialNum++;

// 根据文件前缀变量和文件格式变量，自动生成文件名 String name = fileName + String.valueOf(serialNum) + \".\" + imageFormat; File f = new File(name);

System.out.print(\"Save File \" + name); // 将screenshot对象写入图像文件

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(\"d:/test\ cam.snapShot(); } }