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package com.vogoal.test;
import java.awt.Color;
import
java.awt.Graphics;
import java.awt.image.BufferedImage;
import
java.io.File;
import java.io.IOException;
import
javax.imageio.ImageIO;
/**
* @author SinNeR@blueidea.com
* create a
image
*/
public class HelloImage {
    public static void main(String[]
args){
        BufferedImage image = new BufferedImage(80,
25,
                BufferedImage.TYPE_INT_RGB);
        Graphics g =
image.getGraphics();
        g.setColor(new Color(255,255,255));
       
g.fillRect(0, 0, 80, 25);
        g.setColor(new Color(0,0,0));
       
g.drawString("HelloImage",6,16);
        g.dispose();
       
try{
            ImageIO.write(image, "jpeg", new
File("C:\\helloImage.jpeg"));
        }catch(IOException e){
           
e.printStackTrace();
        }
    }
}
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½¨Á¢BufferedImage¶ÔÏó¡£Ö¸¶¨Í¼Æ¬µÄ³¤¶È¿í¶ÈºÍÉ«²Ê¡£
BufferedImage image = new
BufferedImage(80,25,BufferedImage.TYPE_INT_RGB);
È¡µÃGraphics¶ÔÏó£¬ÓÃÀ´»æÖÆÍ¼Æ¬¡£
Graphics g = ima


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session.setAttribute("user_name","joan");
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String your_name=session.getAttribute("user_name");
ÅжÏÒ»¸ösessionÊÇ·ñ´æÔÚÓ¦ÓÃ:
if((String)session.getAttribute("user_id")==null)
{
out.print("yes");
}
else
{
out.print("no");
}
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//==================>¡¾index.jsp¡¿===============================
<%@page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<% String path=request.getContextPath();   %>
<%@page import="com.sinoest.dfrf.orm.pojo.Mainmenu"%>
<%@page import="com.si ......

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  request.setAttribute("userName",fbName);
  request.setAttribute("passWord",pwd);
  request.setAttribute("CDNUrl",CDNUrl);
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AC_FL_RunContent(
 'codebase', 'http://download.macromed ......
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