Kaptcha 属性

Constant	Description	Default
kaptcha.border	Border around kaptcha. Legal values are yes or no.（设置是否有边框 ）	yes
kaptcha.border.color	Color of the border. Legal values are r,g,b (and optional alpha) or white,black,blue.（设置边框颜色）	black （105,179,90）
kaptcha.border.thickness	Thickness of the border around kaptcha. Legal values are > 0.	1
kaptcha.image.width	Width in pixels of the kaptcha image.（设置验证码宽度）	200
kaptcha.image.height	Height in pixels of the kaptcha image.（设置验证码高度）	50
kaptcha.producer.impl	The image producer.	com.google.code.kaptcha.impl.DefaultKaptcha
kaptcha.textproducer.impl	The text producer. （获取中文）	com.google.code.kaptcha.text.impl.DefaultTextCreator （org.cric.util.ChineseText）
kaptcha.textproducer.char.string	The characters that will create the kaptcha.	abcde2345678gfynmnpwx
kaptcha.textproducer.char.length	The number of characters to display.（设置字体个数）	5
kaptcha.textproducer.font.names	A list of comma separated font names.（设置字体样式）	Arial, Courier（宋体,楷体,微软雅黑）
kaptcha.textproducer.font.size	The size of the font to use.（ 设置字体大小）	40px.
kaptcha.textproducer.font.color	The color to use for the font. Legal values are r,g,b.（设置字体颜色）	black
kaptcha.noise.impl	The noise producer.	com.google.code.kaptcha.impl.DefaultNoise
kaptcha.noise.color	The noise color. Legal values are r,g,b.	black
kaptcha.obscurificator.impl	The obscurificator implementation.	com.google.code.kaptcha.impl.WaterRipple
kaptcha.background.impl	The background implementation.	com.google.code.kaptcha.impl.DefaultBackground
kaptcha.background.clear.from	Starting background color. Legal values are r,g,b.	light grey
kaptcha.background.clear.to	Ending background color. Legal values are r,g,b.	white
kaptcha.word.impl	The word renderer implementation.	com.google.code.kaptcha.text.impl.DefaultWordRenderer
kaptcha.session.key	The value for the kaptcha is generated and is put into the HttpSession. This is the key value for that item in the session.	KAPTCHA_SESSION_KEY
kaptcha.session.date	The date the kaptcha is generated is put into the HttpSession. This is the key value for that item in the session.	KAPTCHA_SESSION_DATE