java制作水印简单强大易学

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.*; public class CombinPicAndWord { public static void main(String[] args) { CombinPicAndWord c = new CombinPicAndWord(); c.ImgYin("","C:"+File.separator+"a.jpg"); } 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); s = "我要加的水印"; 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); } } }