/**
?*?安全驗證碼
?*?
?*?安全的驗證碼要：驗證碼文字扭曲、旋轉，使用不同字體，添加干擾碼
?*
?*/

class?SecurityCoder?{
	/**
	?*?驗證碼的session的下標
	?*?
	?*?@var?string
	?*/
	public?static?$seKey?=?‘session_code‘;
	public?static?$expire?=?3000;?????//?驗證碼過期時間（s）
	/**
	?*?驗證碼中使用的字符，01IO容易混淆，建議不用
	?*
	?*?@var?string
	?*/
	public?static?$codeSet?=?‘346789ABCDEFGHJKLMNPQRTUVWXY‘;
	public?static?$fontSize?=?25;?????//?驗證碼字體大小（px）
	public?static?$useCurve?=?true;???//?是否畫混淆曲線
	public?static?$useNoise?=?true;???//?是否添加雜點	
	public?static?$imageH?=?0;????????//?驗證碼圖片寬
	public?static?$imageL?=?0;????????//?驗證碼圖片長
	public?static?$length?=?4;????????//?驗證碼位數
	public?static?$bg?=?array（243?251?254）;??//?背景
	
	protected?static?$_image?=?null;?????//?驗證碼圖片實例
	protected?static?$_color?=?null;?????//?驗證碼字體顏色
	
	/**
	?*?輸出驗證碼并把驗證碼的值保存的sessi

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-07-11?09:50??code\
?????文件????????6852??2016-09-28?16:34??code\SecurityCoder.php
?????目錄???????????0??2017-07-11?09:50??code\ttfs\
?????文件???????57520??2004-07-06?06:55??code\ttfs\1.ttf
?????文件???????55452??1998-03-12?06:34??code\ttfs\10.ttf
?????文件???????30924??2000-02-23?12:02??code\ttfs\11.ttf
?????文件???????49008??2002-12-14?12:51??code\ttfs\12.ttf
?????文件??????107752??1992-01-29?17:05??code\ttfs\13.ttf
?????文件???????16688??2000-09-28?19:44??code\ttfs\14.ttf
?????文件???????14292??2002-07-16?00:42??code\ttfs\15.ttf
?????文件???????49720??2004-02-22?17:40??code\ttfs\16.ttf
?????文件???????32932??1994-02-25?12:00??code\ttfs\17.ttf
?????文件???????28036??2004-10-20?19:09??code\ttfs\18.ttf
?????文件???????32608??2004-10-20?19:09??code\ttfs\19.ttf
?????文件???????28328??2003-03-08?16:20??code\ttfs\2.ttf
?????文件???????21124??2002-07-16?00:42??code\ttfs\20.ttf
?????文件???????39308??2000-01-28?00:22??code\ttfs\3.ttf
?????文件???????34852??1997-02-24?20:22??code\ttfs\4.ttf
?????文件???????19412??2002-04-02?22:38??code\ttfs\5.ttf
?????文件???????25632??2002-04-02?22:38??code\ttfs\6.ttf
?????文件???????32664??2004-09-18?07:57??code\ttfs\7.ttf
?????文件???????41960??1995-12-23?00:45??code\ttfs\8.ttf
?????文件???????29392??1997-10-26?11:20??code\ttfs\9.ttf
?????目錄???????????0??2017-07-11?09:50??code\ttfs\_notes\
?????文件????????1871??2009-09-15?05:16??code\ttfs\_notes\dwsync.xml