import java.awt.*; import java.awt.event.*; import java.io.*; import java.awt.image.*; import org.w3c.dom.*; import com.sun.image.codec.jpeg.*; import javax.imageio.*; ／＊＊author by http://www.5a520.cn＊／
public class ImgBean
{ 
public void ImgBean(){} public void ImgYin(String s,String ImgName){ try{ 
File _file = new File(ImgName); Image src = ImageIO.read(_file); int wideth=src.getWidth(null); int height=src.getHeight(null); BufferedImage image=new BufferedImage(wideth,height,BufferedImage.TYPE_INT_RGB); Graphics g=image.createGraphics(); g.drawImage(src,0,0,wideth,height,null); String s="我要加的水印 ，来源http://www.bt285.cn BT下载"; g.setColor(Color.RED); g.setFont(new Font("宋体",Font.PLAIN,20)); Font aa=new Font("宋体",Font.PLAIN,20); g.drawString(s,wideth-150,height-10); g.dispose(); FileOutputStream out=new FileOutputStream(ImgName); JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out); encoder.encode(image); out.close(); 
} catch(Exception e){ System.out.println(e); } } 
}
