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"); %> <HTML> <HEAD> <title>Http://www.lionsky.net</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> </HEAD> <body> <form id="Form1" method="post"> <input type="text" id="ID_Text" name=ID_Text> <input type=submit value="GO"> </form> </body> </HTML> <% } 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.lionsky.net",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(); } %>