java实现截屏程序详解编程语言

import java.awt.image.BufferedImage; 
import java.io.File; 
import javax.imageio.ImageIO; 
 
public class ImgTool { 
    private int startX; 
    private int startY; 
    private int width; 
    private int height; 
    /** 
     * 源路径 
     */ 
    private String srcPath; 
    /** 
     * 目标路径 
     */ 
    private String tarPath; 
 
    public static void main(String args[]){ 
        ImgTool imgT = new ImgTool(); 
        imgT.setStartX(100); 
        imgT.setStartY(100); 
        imgT.setHeight(200); 
        imgT.setWidth(200); 
        imgT.setSrcPath("农场.jpg"); 
        imgT.setTarPath("d:/1.jpg");     
        imgT.cut(); 
    } 
    /** 
     * 根据开始坐标，宽度和高度切图。 
     * 把图片读入内存缓冲区，然后再 
     * 根据具体坐标切取子图最后把子 
     * 图按规定的格式存入指定文件 
     */ 
    public void cut(){ 
        try { 
            BufferedImage bufImg = ImageIO.read(new File(srcPath)); 
            bufImg = bufImg.getSubimage(startX, startY, width, height); 
            ImageIO.write(bufImg,"jpg",new File(tarPath)); 
        } catch (Exception e) { 
            e.printStackTrace(); 
        } 
    } 
 
    public int getStartX() { 
        return startX; 
    } 
    public void setStartX(int startX) { 
        this.startX = startX; 
    } 
    public int getStartY() { 
        return startY; 
    } 
    public void setStartY(int startY) { 
        this.startY = startY; 
    } 
    public int getWidth() { 
        return width; 
    } 
    public void setWidth(int width) { 
        this.width = width; 
    } 
    public int getHeight() { 
        return height; 
    } 
    public void setHeight(int height) { 
        this.height = height; 
    } 
    public String getSrcPath() { 
        return srcPath; 
    } 
    public void setSrcPath(String srcPath) { 
        this.srcPath = srcPath; 
    } 
    public String getTarPath() { 
        return tarPath; 
    } 
    public void setTarPath(String tarPath) { 
        this.tarPath = tarPath; 
    } 
}