594945.xml

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<?xml version='1.0' encoding='GB2312'?>
<?xml:stylesheet type='text/xsl' href='../csdn.xsl'?>
<Topic>
<Issue>
<PostUserNickName>蓝天百云</PostUserNickName>
<rank>二级(初级)</rank>
<ranknum>user2</ranknum>
<credit>115</credit>
<TopicId>594945</TopicId>
<TopicName>怎样用jsp画图</TopicName>
<PostUserId>103750</PostUserId>
<PostUserName>wzs_wzs123</PostUserName>
<RoomName>JSP</RoomName>
<ReplyNum>8</ReplyNum>
<PostDateTime>2002-3-23 13:38:35</PostDateTime>
<Point>20</Point>
<ReadNum>0</ReadNum>
<RoomId>28</RoomId>
<EndState>2</EndState>
<Content>怎样用jsp画图</Content>
</Issue>
<Replys>
<Reply>
<PostUserNickName>蓝天百云</PostUserNickName>
<rank>二级(初级)</rank>
<ranknum>user2</ranknum>
<credit>115</credit>
<ReplyID>3945327</ReplyID>
<TopicID>594945</TopicID>
<PostUserId>103750</PostUserId>
<PostUserName>wzs_wzs123</PostUserName>
<Point>0</Point>
<Content>这里没人吗</Content>
<PostDateTime>2002-3-23 14:18:39</PostDateTime>
</Reply>
<Reply>
<PostUserNickName>没有尾巴的鲨鱼</PostUserNickName>
<rank>五级(中级)</rank>
<ranknum>user5</ranknum>
<credit>88</credit>
<ReplyID>3953123</ReplyID>
<TopicID>594945</TopicID>
<PostUserId>112142</PostUserId>
<PostUserName>scarab</PostUserName>
<Point>0</Point>
<Content>用servlet画图

需要吗？</Content>
<PostDateTime>2002-3-24 14:16:24</PostDateTime>
</Reply>
<Reply>
<PostUserNickName>我是谁？？</PostUserNickName>
<rank>三级(初级)</rank>
<ranknum>user3</ranknum>
<credit>100</credit>
<ReplyID>3953661</ReplyID>
<TopicID>594945</TopicID>
<PostUserId>67537</PostUserId>
<PostUserName>epowerlab</PostUserName>
<Point>0</Point>
<Content>什么意思啊
你是指想在页面里画图是不是？
装载applet不就(对applet不懂)</Content>
<PostDateTime>2002-3-24 15:35:35</PostDateTime>
</Reply>
<Reply>
<PostUserNickName>林叶</PostUserNickName>
<rank>二级(初级)</rank>
<ranknum>user2</ranknum>
<credit>110</credit>
<ReplyID>3957999</ReplyID>
<TopicID>594945</TopicID>
<PostUserId>129031</PostUserId>
<PostUserName>jacob1</PostUserName>
<Point>0</Point>
<Content>是数据统计图的意思么？</Content>
<PostDateTime>2002-3-25 4:05:37</PostDateTime>
</Reply>
<Reply>
<PostUserNickName>没有尾巴的鲨鱼</PostUserNickName>
<rank>五级(中级)</rank>
<ranknum>user5</ranknum>
<credit>88</credit>
<ReplyID>3958226</ReplyID>
<TopicID>594945</TopicID>
<PostUserId>112142</PostUserId>
<PostUserName>scarab</PostUserName>
<Point>0</Point>
<Content>用servlet是可以的。我这有代码</Content>
<PostDateTime>2002-3-25 8:26:13</PostDateTime>
</Reply>
<Reply>
<PostUserNickName>蓝天百云</PostUserNickName>
<rank>二级(初级)</rank>
<ranknum>user2</ranknum>
<credit>115</credit>
<ReplyID>3958595</ReplyID>
<TopicID>594945</TopicID>
<PostUserId>103750</PostUserId>
<PostUserName>wzs_wzs123</PostUserName>
<Point>0</Point>
<Content>可以发给我一份吗，我的邮箱是[e-mail]</Content>
<PostDateTime>2002-3-25 9:01:51</PostDateTime>
</Reply>
<Reply>
<PostUserNickName>绿痕</PostUserNickName>
<rank>二级(初级)</rank>
<ranknum>user2</ranknum>
<credit>84</credit>
<ReplyID>3959133</ReplyID>
<TopicID>594945</TopicID>
<PostUserId>163469</PostUserId>
<PostUserName>lvhen</PostUserName>
<Point>0</Point>
<Content>画图用applet呀</Content>
<PostDateTime>2002-3-25 9:37:06</PostDateTime>
</Reply>
<Reply>
<PostUserNickName>没有尾巴的鲨鱼</PostUserNickName>
<rank>五级(中级)</rank>
<ranknum>user5</ranknum>
<credit>88</credit>
<ReplyID>3960673</ReplyID>
<TopicID>594945</TopicID>
<PostUserId>112142</PostUserId>
<PostUserName>scarab</PostUserName>
<Point>20</Point>
<Content>import&#32;javax.servlet.*;
import&#32;javax.servlet.http.*;
import&#32;java.io.*;
import&#32;java.util.*;
import&#32;com.sun.image.codec.jpeg.*;
import&#32;java.awt.image.*;
import&#32;java.awt.*;
public&#32;class&#32;JPEGServlet&#32;extends&#32;HttpServlet&#32;{
//Process&#32;the&#32;HTTP&#32;Get&#32;request
public&#32;void&#32;doGet(HttpServletRequest&#32;request,&#32;HttpServletResponse&#32;response)
throws&#32;ServletException,&#32;IOException&#32;{
response.setContentType("image/jpeg");
ServletOutputStream&#32;out&#32;=&#32;response.getOutputStream();
BufferedImage&#32;image&#32;=&#32;new&#32;BufferedImage(100,100,&#32;BufferedImage.TYPE_INT_RGB);
Graphics&#32;g&#32;=&#32;image.getGraphics();
g.setColor(Color.green);
g.fillRect(0,&#32;0,&#32;100,&#32;100);
g.setColor(Color.red);
g.drawOval(0,&#32;0,&#32;100,100);
JPEGImageEncoder&#32;encoder&#32;=JPEGCodec.createJPEGEncoder(out);
encoder.encode(image);
out.close();
}
//Process&#32;the&#32;HTTP&#32;Post&#32;request
public&#32;void&#32;doPost(HttpServletRequest&#32;request,&#32;HttpServletResponse&#32;response)
throws&#32;ServletException,&#32;IOException&#32;{
doGet(request,response);
}
//Get&#32;Servlet&#32;information
public&#32;String&#32;getServletInfo()&#32;{
return&#32;"JPEGServlet&#32;Information";
}
}</Content>
<PostDateTime>2002-3-25 11:05:52</PostDateTime>
</Reply>
</Replys>
</Topic>