给图片加水印

import java.awt.*; import java.io.*; import java.awt.image.*; import com.sun.image.codec.jpeg.*; import javax.imageio.*; public class ImgBean{ public void ImgBean(){} public static void ImgYin(String s,String ImgName){ byte[] bytes = null; try{ String str = s; 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); g.setColor(Color.RED); g.setFont(new Font("宋体",Font.PLAIN,20)); Font aa=new Font("宋体",Font.PLAIN,20); g.drawString(str,wideth-150,height-10); g.dispose(); ByteArrayOutputStream out1 = new ByteArrayOutputStream(); saveImage(image, out1); bytes = out1.toByteArray(); out1.close(); FileOutputStream out2 = new FileOutputStream(ImgName); out2.write(bytes); out2.close(); } catch(Exception e){ System.out.println(e); } } public static void saveImage(BufferedImage img, OutputStream out1) throws Exception { JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out1); encoder.encode(img); } public static void main(String[] args){ ImgYin("我要加的水印" , "d:/114.jpg"); } }