Kaptcha 框架介绍
Kaptcha 框架是谷歌开源的一个可高度配置的实用验证码生成工具
- 验证码的字体/大小/颜色
- 验证码内容的范围(数字,字母,中文汉字!)
- 验证码图片的大小,边框,边框粗细,边框颜色
- 验证码的干扰线
- 验证码的样式(鱼眼样式、3D、普通模糊)
使用
引入依赖
<!--kaptcha依赖包-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>kaptcha-spring-boot-starter</artifactId>
<version>1.1.0</version>
</dependency>
配置类
@Configuration
public class CaptchaConfig {
/**
* 验证码配置
* Kaptcha配置类名
*
* @return
*/
@Bean
@Qualifier("captchaProducer")
public DefaultKaptcha kaptcha() {
DefaultKaptcha kaptcha = new DefaultKaptcha();
Properties properties = new Properties();
// properties.setProperty(Constants.KAPTCHA_BORDER, "yes");
// properties.setProperty(Constants.KAPTCHA_BORDER_COLOR, "220,220,220");
// //properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_FONT_COLOR, "38,29,12");
// properties.setProperty(Constants.KAPTCHA_IMAGE_WIDTH, "147");
// properties.setProperty(Constants.KAPTCHA_IMAGE_HEIGHT, "34");
// properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_FONT_SIZE, "25");
// //properties.setProperty(Constants.KAPTCHA_SESSION_KEY, "code");
//验证码个数
properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_CHAR_LENGTH, "4");
// properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_FONT_NAMES, "Courier");
//字体间隔
properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_CHAR_SPACE,"8");
//干扰线颜色
properties.setProperty(Constants.KAPTCHA_NOISE_COLOR, "white");
//干扰实现类
properties.setProperty(Constants.KAPTCHA_NOISE_IMPL, "com.google.code.kaptcha.impl.NoNoise");
//图片样式
properties.setProperty(Constants.KAPTCHA_OBSCURIFICATOR_IMPL, "com.google.code.kaptcha.impl.WaterRipple");
//文字来源
properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_CHAR_STRING, "0123456789");
Config config = new Config(properties);
kaptcha.setConfig(config);
return kaptcha;
}
}
Controller层
/**
* 通知模块
*/
@Api(tags = "通知模块")
@RestController
@RequestMapping("/api/user/v1")
@Slf4j
public class NotifyController {
@Autowired
private Producer captchaProducer;
@GetMapping("/captcha")
@ApiOperation("获取图形验证码")
public void getCaptcha(HttpServletRequest request, HttpServletResponse response) {
String captchaText = captchaProducer.createText();
log.info("图形验证码{}",captchaText);
BufferedImage bufferedImage = captchaProducer.createImage(captchaText);
ServletOutputStream outputStream = null;
try {
outputStream = response.getOutputStream();
ImageIO.write(bufferedImage, "jpg", outputStream);
outputStream.flush();
outputStream.close();
}catch (IOException e) {
log.error("获取图形验证码异常{}",e);
}
}
}
标签:kaptcha,验证码,开源,KAPTCHA,setProperty,properties,Constants
From: https://www.cnblogs.com/xiaoyangabc/p/17040214.html