cms后台管理系统

cms后台管理系统， cms后台管理系统， cms后台管理系统

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） {
		//创建一个图片对象
		BufferedImage img = new BufferedImage（width height BufferedImage.TYPE_INT_RGB）;
		//获取图片对象的画笔
		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（“宋体“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））;
		}
		
		//加一些点
		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）;
		}
		
		//加一些线
		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;
	}
	
	
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-10-11 20:02  cms\
     目录           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
     目录           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
     目录           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
     目录           0  2017-10-11 20:02  cms\basic-common\.svn\pristine\
     目录           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
     目录           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
     目录           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
     目录           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
     目录           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
     目录           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
     目录           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
     目录           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
     目录           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
     目录           0  2017-10-11 20:02  cms\basic-common\.svn\pristine\a6\
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