package?org.konghao.basic.util;

import?java.awt.Color;
import?java.awt.Font;
import?java.awt.Graphics2D;
import?java.awt.image.BufferedImage;
import?java.util.Random;

public?class?Captcha?{
	private?int?width;
	private?int?height;
	private?int?num;
	private?String?code;
	private?static?final?Random?ran?=?new?Random（）;
	private?static?Captcha?captcha;
	private?Captcha（）{
		code?=?“0123456789“;
		num?=?4;
	}
	
	public?static?Captcha?getInstance（）?{
		if（captcha==null）?captcha?=?new?Captcha（）;
		return?captcha;
	}
	
	public?void?set（int?widthint?heightint?numString?code）?{
		this.width?=?width;
		this.height?=?height;
		this.setNum（num）;
		this.setCode（code）;
	}
	
	public?void?set（int?widthint?height）?{
		this.width?=?width;
		this.height?=?height;
	}
	
	public?int?getWidth（）?{
		return?width;
	}
	public?void?setWidth（int?width）?{
		this.width?=?width;
	}
	public?int?getHeight（）?{
		return?height;
	}
	public?void?setHeight（int?height）?{
		this.height?=?height;
	}
	public?int?getNum（）?{
		return?num;
	}
	public?void?setNum（int?num）?{
		this.num?=?num;
	}
	public?String?getCode（）?{
		return?code;
	}
	public?void?setCode（String?code）?{
		this.code?=?code;
	}
	
	public?String?generateCheckcode（）?{
		StringBuffer?cc?=?new?StringBuffer（）;
		for（int?i=0;i			cc.append（code.charAt（ran.nextInt（code.length（））））;
		}
		return?cc.toString（）;
	}
	
	public?BufferedImage?generateCheckImg（String?checkcode）?{
		//創(chuàng)建一個(gè)圖片對(duì)象
		BufferedImage?img?=?new?BufferedImage（width?height?BufferedImage.TYPE_INT_RGB）;
		//獲取圖片對(duì)象的畫(huà)筆
		Graphics2D?graphic?=?img.createGraphics（）;
		graphic.setColor（Color.WHITE）;
		graphic.fillRect（0?0?width?height）;
		graphic.setColor（Color.BLACK）;
		graphic.drawRect（0?0?width-1?height-1）;
		Font?font?=?new?Font（“宋體“Font.BOLD+Font.ITALIC（int）（height*0.8））;
		graphic.setFont（font）;
		for（int?i=0;i			graphic.setColor（new?Color（ran.nextInt（255）ran.nextInt（255）ran.nextInt（255）））;
			graphic.drawString（String.valueOf（checkcode.charAt（i））?i*（width/num）+4?（int）（height*0.8））;
		}
		
		//加一些點(diǎn)
		for（int?i=0;i<（width+height）;i++）?{
			graphic.setColor（new?Color（ran.nextInt（255）ran.nextInt（255）ran.nextInt（255）））;
			graphic.drawOval（ran.nextInt（width）?ran.nextInt（height）?1?1）;
		}
		
		//加一些線
		for（int?i=0;i<4;i++）?{
			graphic.setColor（new?Color（ran.nextInt（255）ran.nextInt（255）ran.nextInt（255）））;
			graphic.drawLine（0?ran.nextInt（height）?width?ran.nextInt（height））;
		}
		return?img;
	}
	
	
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-10-11?20:02??cms\
?????目錄???????????0??2017-10-11?20:02??cms\basic-common\
?????文件????????1022??2013-04-28?16:12??cms\basic-common\.classpath
?????文件?????????564??2013-04-28?16:12??cms\basic-common\.project
?????目錄???????????0??2017-10-11?20:02??cms\basic-common\.settings\
?????文件?????????119??2013-04-28?16:12??cms\basic-common\.settings\org.eclipse.core.resources.prefs
?????文件?????????243??2013-04-28?16:12??cms\basic-common\.settings\org.eclipse.jdt.core.prefs
?????文件??????????90??2013-04-28?16:12??cms\basic-common\.settings\org.eclipse.m2e.core.prefs
?????目錄???????????0??2017-10-13?17:44??cms\basic-common\.svn\
?????文件???????????3??2013-04-28?16:34??cms\basic-common\.svn\entries
?????文件???????????3??2013-04-28?16:34??cms\basic-common\.svn\format
?????目錄???????????0??2017-10-11?20:02??cms\basic-common\.svn\pristine\
?????目錄???????????0??2017-10-11?20:02??cms\basic-common\.svn\pristine\05\
?????文件?????????564??2013-04-28?16:34??cms\basic-common\.svn\pristine\05\05fecd9a6de6ed247b24cf7d07f05e10c35efac0.svn-base
?????目錄???????????0??2017-10-11?20:02??cms\basic-common\.svn\pristine\0d\
?????文件?????????119??2013-04-28?16:34??cms\basic-common\.svn\pristine\0d\0d78a989c585aac6e6244dedcef06df92d4ea31b.svn-base
?????目錄???????????0??2017-10-11?20:02??cms\basic-common\.svn\pristine\2a\
?????文件????????2627??2013-05-17?23:01??cms\basic-common\.svn\pristine\2a\2adeb0bdb3ccfb8cdf86f7ebca875900923c38a0.svn-base
?????目錄???????????0??2017-10-11?20:02??cms\basic-common\.svn\pristine\41\
?????文件?????????650??2013-04-28?16:34??cms\basic-common\.svn\pristine\41\41633887046d8e987f2f0f522f614c5451424a30.svn-base
?????目錄???????????0??2017-10-11?20:02??cms\basic-common\.svn\pristine\5d\
?????文件?????????692??2013-05-21?15:16??cms\basic-common\.svn\pristine\5d\5d42dd249764df909eaa50519e19f5f0ffc190af.svn-base
?????目錄???????????0??2017-10-11?20:02??cms\basic-common\.svn\pristine\8b\
?????文件?????????411??2013-05-17?23:01??cms\basic-common\.svn\pristine\8b\8b84b8417d5486b5317f77db620767527dcf5d20.svn-base
?????目錄???????????0??2017-10-11?20:02??cms\basic-common\.svn\pristine\a1\
?????文件??????????90??2013-04-28?16:34??cms\basic-common\.svn\pristine\a1\a112be21c325d37ebc17baafd40c0386b5d09df1.svn-base
?????目錄???????????0??2017-10-11?20:02??cms\basic-common\.svn\pristine\a2\
?????文件?????????243??2013-04-28?16:34??cms\basic-common\.svn\pristine\a2\a2557d0c92536585bd6574cbcbfd682feac5fa33.svn-base
?????目錄???????????0??2017-10-11?20:02??cms\basic-common\.svn\pristine\a3\
?????文件????????4456??2013-04-28?16:34??cms\basic-common\.svn\pristine\a3\a3b79b5ad352c865eb10f1dcd6639462d63da61a.svn-base
?????目錄???????????0??2017-10-11?20:02??cms\basic-common\.svn\pristine\a6\
............此處省略2025個(gè)文件信息