import java.awt.image.BufferedImage;
import java.io.*;
import javax.imageio.*;
import java.awt.*;
public class GuiCamera {
private String fileName;
private String defaultName = "GuiCamera";
static int serialNum=0;
private String imageFormat;
private String defaultImageFormat="jpg";
Dimension d=Toolkit.getDefaultToolkit().getScreenSize();
public GuiCamera() {
fileName = defaultName;
imageFormat=defaultImageFormat;
}
public GuiCamera(String s,String format) {
fileName = s;
imageFormat=format;
}
public void snapShot() {
try {
//拷贝屏幕到一个BufferedImage对象screenshot
BufferedImage screenshot = (new Robot()).createScreenCapture(new Rectangle(Toolkit.getDefaultToolkit().getScreenSize()));
serialNum++;
//根据文件前缀变量和文件格式变量,自动天生文件名
String name=fileName+String.valueOf(serialNum)+"."+imageFormat;
File f = new File(name);
System.out.print("Save File "+name);
//将screenshot对象写进图像文件
ImageIO.write(screenshot, imageFormat, f);
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