Imaging_ToWeb.jsp <%@ page autoFlush="false" import="java.awt.*,java.awt.image.*,com.sun.image.codec.jpeg.*,java.util.*"%> <% String ImageStr = request.getParameter("ID_Text"); if(ImageStr==null || ImageStr.equals("")) { response.setContentType("text/html; charset=gb2312"); %> <% } else { out.clear(); response.setContentType("image/jpeg"); response.addHeader("pragma","NO-cache"); response.addHeader("Cache-Control","no-cache"); response.addDateHeader("Expries",0); int width=300, height=100; BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); Graphics g = image.getGraphics(); //以下填充背景颜色 g.setColor(Color.lightGray); g.fillRect(0, 0, width, height); String random="random"; //以下设置前景色 g.setColor(Color.BLACK); g.drawString("Http://www.knowsky.com",10,20); g.drawString("Author:Lion[lion-a@sohu.com]",10,40); g.drawLine(10,50,290,50); g.drawString(ImageStr,10,70); g.dispose(); ServletOutputStream outStream = response.getOutputStream(); JPEGImageEncoder encoder =JPEGCodec.createJPEGEncoder(outStream); encoder.encode(image); outStream.close(); } %> |
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