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<%@ page autoFlush="false" contentType="text/html;charset=GBK" import="java.io.FileInputStream, java.io.FileOutputStream, java.awt.*, java.awt.image.*, com.sun.image.codec.jpeg.*, java.util.*"%> <% out.clear(); response.addHeader("pragma","NO-cache"); response.addHeader("Cache-Control","no-cache"); response.addDateHeader("Expries",0); String FileName = "E:\\2.jpg"; String OutFileName = "C:\\ww.jpg"; //创建一个FileInputStream对象从源图片获取数据流 FileInputStream sFile = new FileInputStream(FileName); //创建一个Image对象并以源图片数据流填充 Image src = javax.imageio.ImageIO.read(sFile); int width = src.getWidth(null); //得到源图宽 int height = src.getHeight(null); //得到源图长 if (width>70 && height>30){ //创建一个BufferedImage来作为图像操作容器 BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); //创建一个绘图环境来进行绘制图象 Graphics g = image.getGraphics(); //将原图像数据流载入这个BufferedImage g.drawImage(src,0,0,width,height,null); //设定文本字体 g.setFont(new Font("宋体",Font.PLAIN,48)); //设定文本 String rand = "中国"; //设定文本颜色 g.setColor(Color.black); //向BufferedImage写入文本字符 g.drawString(rand,20,50); //使更改生效 g.dispose(); //创建输出文件流 FileOutputStream outi = new FileOutputStream(OutFileName); //创建JPEG编码对象 JPEGImageEncoder encodera = JPEGCodec.createJPEGEncoder(outi); //对这个BufferedImage (image)进行JPEG编码 encodera.encode(image); outi.close(); //关闭输出文件流 } %> |
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