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kaptcha验证码

2016-03-03 20:17 423 查看
现在使用验证码的地方,比较多;kaptcha,是google开源的一个验证码生成工具,它和servlet绑定在一起,使用起来有好的地方,也有不好的地方;

其中之一就是使用起来,不够灵活。

现将其进行封装成,一个工具类,以便于随时随地使用,使用方法如下:

public static void main(String[] args) {
//验证码的属性
Properties properties = new Properties();
//边框
properties.put("kaptcha.border", "yes");
//边框为绿色
properties.put("kaptcha.border.color", "green");
//图片宽度
properties.put("kaptcha.image.width", "200");
//高度
properties.put("kaptcha.image.height", "50");
//字符数量
properties.put("kaptcha.textproducer.char.length", "4");
//字体大小
properties.put("kaptcha.textproducer.font.size", "40");
//字符间隔
properties.put("kaptcha.textproducer.char.space", "2");
//噪声颜色
properties.put("kaptcha.noise.color", "black");
//粘贴到浏览器,可以查看浏览器中的显示效果
String[] validateCode= KaptchaServiceUtil.geneValidateCode(properties);
System.out.println(validateCode[1]);
System.out.println(validateCode[0]);
}

粘贴到浏览器即可。

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源码github地址:
https://github.com/linghushaoxia/kaptcha
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