package?com.corp.mms.checkno.servlet;

import?com.sun.image.codec.jpeg.JPEGCodec;
import?com.sun.image.codec.jpeg.JPEGImageEncoder;
import?java.awt.Color;
import?java.awt.Font;
import?java.awt.Graphics2D;
import?java.awt.image.BufferedImage;
import?java.io.IOException;
import?java.util.Random;
import?javax.servlet.ServletException;
import?javax.servlet.ServletOutputStream;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;

public?class?CheckCodeServlet?extends?HttpServlet?{
	private?static?final?long?serialVersionUID?=?1L;
	public?static?final?char[]?CHARS?=?{?‘1‘?‘2‘?‘3‘?‘4‘?‘5‘?‘6‘?‘7‘
			‘8‘?‘9‘?‘0‘?‘A‘?‘B‘?‘C‘?‘D‘?‘E‘?‘F‘?‘G‘?‘H‘?‘I‘?‘J‘
			‘K‘?‘L‘?‘M‘?‘N‘?‘O‘?‘P‘?‘Q‘?‘R‘?‘S‘?‘T‘?‘U‘?‘V‘?‘W‘
			‘X‘?‘Y‘?‘Z‘?};

	public?static?Random?random?=?new?Random（）;

	public?static?String?getRandomString（）?{
		StringBuffer?buffer?=?new?StringBuffer（）;
		for?（int?i?=?0;?i?			buffer.append（CHARS[random.nextInt（CHARS.length）]）;
		}
		return?buffer.toString（）;
	}

	public?static?Color?getRandomColor（）?{
		return?new?Color（random.nextInt（255）?random.nextInt（255）?random
				.nextInt（255））;
	}

	public?static?Color?getReverseColor（Color?c）?{
		return?new?Color（255?-?c.getRed（）?255?-?c.getGreen（）?255?-?c
				.getBlue（））;
	}

	public?void?destroy（）?{
		super.destroy（）;
	}

	public?void?doGet（HttpServletRequest?request?HttpServletResponse?response）
			throws?ServletException?IOException?{
		doPost（request?response）;
	}

	public?void?doPost（HttpServletRequest?request?HttpServletResponse?response）
			throws?ServletException?IOException?{
		response.setHeader（“Pragma“?“No-cache“）;
		response.setHeader（“Cache-Control“?“no-cache“）;
		response.setHeader（“Expires“?“0“）;
		response.setContentType（“image/jpeg“）;
		String?radomString?=?getRandomString（）;

		request.getSession（）.setAttribute（“checkCode“?radomString）;

		Color?color?=?getRandomColor（）;
		Color?reverse?=?getReverseColor（color）;
		BufferedImage?bi?=?new?BufferedImage（100?30?1）;
		Graphics2D?g?=?bi.createGraphics（）;
		g.setFont（new?Font（“SansSerif“?1?22））;

		g.setColor（new?Color（244?244?244））;
		g.fillRect（0?0?100?35）;
		g.setColor（reverse）;
		g.drawString（radomString?15?22）;
		int?i?=?0;
		for?（int?n?=?random.nextInt（100）;?i?			g.drawRect（random.nextInt（100）?random.nextInt（30）?1?1）;
		}
		ServletOutputStream?out?=?response.getOutputStream（）;
		JPEGImageEncoder?encoder?=?JPEGCodec.createJPEGEncoder（out）;
		encoder.encode（bi）;
		out.flush（）;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????621??2013-05-09?09:58??MeetingManageSys\.classpath

?????文件????????321??2013-05-09?09:50??MeetingManageSys\.mymetadata

?????文件???????1422??2013-05-09?10:01??MeetingManageSys\.project

?????文件????????500??2013-05-09?09:50??MeetingManageSys\.settings\.jsdtscope

?????文件????????330??2013-05-09?09:50??MeetingManageSys\.settings\org.eclipse.jdt.core.prefs

?????文件?????????49??2013-05-09?09:50??MeetingManageSys\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2013-05-09?09:50??MeetingManageSys\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件??????13920??2013-04-09?10:25??MeetingManageSys\meetingmanagesys.sql

?????文件???????2672??2013-05-09?10:10??MeetingManageSys\src\com\corp\mms\checkno\servlet\CheckCodeServlet.java

?????文件???????9188??2013-03-23?10:02??MeetingManageSys\src\com\corp\mms\equip\dao\EquipDao.java

?????文件???????1471??2013-03-23?00:33??MeetingManageSys\src\com\corp\mms\equip\service\EquipService.java

?????文件???????2852??2013-05-04?12:10??MeetingManageSys\src\com\corp\mms\equip\servlet\AUEquipServlet.java

?????文件???????3251??2013-05-04?12:11??MeetingManageSys\src\com\corp\mms\equip\servlet\EquipServlet.java

?????文件???????1269??2013-03-22?17:15??MeetingManageSys\src\com\corp\mms\equip\vo\Equipment.java

?????文件????????337??2013-03-23?00:28??MeetingManageSys\src\com\corp\mms\equip\vo\EquipType.java

?????文件???????4502??2013-05-04?12:11??MeetingManageSys\src\com\corp\mms\home\dao\HomeDao.java

?????文件????????710??2013-05-04?12:11??MeetingManageSys\src\com\corp\mms\home\service\HomeService.java

?????文件???????2360??2013-05-04?12:12??MeetingManageSys\src\com\corp\mms\home\servlet\AUHomeServlet.java

?????文件???????2217??2013-05-04?12:12??MeetingManageSys\src\com\corp\mms\home\servlet\HomeServlet.java

?????文件???????1028??2013-03-23?14:37??MeetingManageSys\src\com\corp\mms\home\vo\Home.java

?????文件??????25101??2013-03-29?15:00??MeetingManageSys\src\com\corp\mms\meeting\dao\MeetingDao.java

?????文件???????3481??2013-05-04?12:13??MeetingManageSys\src\com\corp\mms\meeting\service\MeetingService.java

?????文件???????3215??2013-05-09?09:59??MeetingManageSys\src\com\corp\mms\meeting\servlet\ApplicationQueryServlet.java

?????文件???????2459??2013-05-04?12:14??MeetingManageSys\src\com\corp\mms\meeting\servlet\MeetingCheckServlet.java

?????文件???????3332??2013-05-04?12:14??MeetingManageSys\src\com\corp\mms\meeting\servlet\MeetingQueryServlet.java

?????文件??????11800??2013-05-09?09:53??MeetingManageSys\src\com\corp\mms\meeting\servlet\MeetingServlet.java

?????文件???????2279??2013-05-04?12:27??MeetingManageSys\src\com\corp\mms\meeting\vo\Meeting.java

?????文件???????1175??2013-05-04?12:28??MeetingManageSys\src\com\corp\mms\meeting\vo\MeetingTime.java

?????文件????????869??2013-05-04?12:28??MeetingManageSys\src\com\corp\mms\meeting\vo\Schedule.java

?????文件????????457??2013-03-18?14:45??MeetingManageSys\src\com\corp\mms\menu\vo\link.java

............此處省略229個文件信息