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发信人: No1 (NO chat, Less surfing), 信区: Java
标  题: Re: Unix上Servlet 可以用来生成一个图吗？
发信站: BBS 水木清华站 (Fri Sep 29 13:48:32 2000)

【在 hotjava (beams) 的大作中提到: 】
∶ xiexie means 谢谢。

原来如此。看到的抄一个给你

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import com.sun.image.codec.jpeg.*;
import java.awt.image.*;
import java.awt.*;
public class JPEGServlet extends HttpServlet {
//Process the HTTP Get request
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("image/jpeg");
ServletOutputStream out = response.getOutputStream();
BufferedImage image = new BufferedImage(100,100, BufferedImage.TYPE_INT_RGB);
Graphics g = image.getGraphics();
g.setColor(Color.green);
g.fillRect(0, 0, 100, 100);
g.setColor(Color.red);
g.drawOval(0, 0, 100,100);
JPEGImageEncoder encoder =JPEGCodec.createJPEGEncoder(out);
encoder.encode(image);
out.close();
}
//Process the HTTP Post request
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request,response);
}
//Get Servlet information
public String getServletInfo() {
return "JPEGServlet Information";
}
}

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