iCaptcha 是一个 Java 的验证码库,支持国际化和可定制。
示例代码:
//Optional Properties Properties props = new Properties(); props.put(“format”, “jpg”); props.put(“font”, “Helvetica”); props.put(“fontsize”, “28”); props.put(“min-width”, “180”); props.put(“padding-x”, “25”); props.put(“padding-y”, “25”); OutputStream os = new FileOutputStream(“c:/captcha/text.jpg”); FactoryLanguageImpl inst=(FactoryLanguageImpl)Producer.forName(“org.smx.captcha.impl.FactoryLanguageImpl”); inst.setLanguageDirectory(“C:/captcha/lang”); inst.setLanguage(“RU”); inst.setRange(5, 10); //Select words between 5-10 letters Producer.render(os, inst, props);