Go语言视频零基础入门到精通

javalearner

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;

public class GuiCamera {
private String fileName;//文件的前缀
private String defaultName = "GuiCamera";
static int serialNum = 0;
private String imageFormat; //图像文件格式
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;
}

/***
  * 对屏幕拍照
  */
public void snapShot(){
  try{
   //拷贝屏幕到一个BufferImage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.println("Save File"+name);
   //将srceenshot对象写入图像文件
   ImageIO.write(screenShot, imageFormat, f);
   System.out.println("...Finished!\n");
  }catch(Exception e){
   System.out.println(e);
  }
}


public static void main(String[] args) {
  GuiCamera cam = new GuiCamera("d:\\Hello","jpg");
  cam.snapShot();
}
}

thinkinjava

谢谢楼主，还不错。

编程师兄

学习了哦。。