chart3.jsp

来自「一本jsp自学教材」· JSP 代码 · 共 22 行

<%@ page contentType="image/jpeg;charset=GBK" %>
<%@ page import="com.sun.image.codec.jpeg.*"%>
<%@ page import="java.awt.image.*"%>
<%@ page import="java.awt.*"%>
<%@ page import="java.io.*"%>
<%@ page import="javax.servlet.*"%>
<%

response.reset();
response.setContentType("image/jpeg"); 
ServletOutputStream sos = response.getOutputStream();   

  FileInputStream is=new FileInputStream("C:/chart6.jpg");
  JPEGImageDecoder jpgCodec = JPEGCodec.createJPEGDecoder(is); 
  BufferedImage image = jpgCodec.decodeAsBufferedImage(); 
  Graphics g = image.getGraphics();  
  g.setColor(Color.red); 
  String random="Hello world!";
  g.drawString(random,60,60);   
     

%>