给你一个截取屏幕保存的代码吧也是别人的。给你看看。你应该会明白的。 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; /******************************************************************* * 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 protected]) * @version 1.0 * *****************************************************/ public class MyPrint { 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", * and default image format "png" ****************************************************************/ public MyPrint() { 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 MyPrint(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!\n"); } catch (Exception ex) { System.out.println(ex); } } public static void main(String[] args) { MyPrint cam= new MyPrint("d:\\Hello", "png");// cam.snapShot(); }
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; /*******************************************************************
* 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 protected])
* @version 1.0
*
*****************************************************/ public class MyPrint
{
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",
* and default image format "png"
****************************************************************/
public MyPrint() {
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 MyPrint(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!\n");
}
catch (Exception ex) {
System.out.println(ex);
}
} public static void main(String[] args)
{
MyPrint cam= new MyPrint("d:\\Hello", "png");// cam.snapShot();
}