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https://github.com/dromara/tianai-captcha.git
synced 2026-05-07 06:04:34 +08:00
U 升级版本 改为1.3.0
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@@ -21,30 +21,51 @@
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<dependency>
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<groupId>cloud.tianai.captcha</groupId>
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<artifactId>tianai-captcha</artifactId>
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<version>1.2.3</version>
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<version>1.3.0</version>
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</dependency>
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```
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2. 使用 `SliderCaptchaTemplate`获取滑块验证码
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```java
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public static void main(String[] args) throws InterruptedException {
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SliderCaptchaResourceManager sliderCaptchaResourceManager = new DefaultSliderCaptchaResourceManager();
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DefaultSliderCaptchaTemplate sliderCaptchaTemplate = new DefaultSliderCaptchaTemplate(sliderCaptchaResourceManager, true);
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StandardSliderCaptchaTemplate sliderCaptchaTemplate = new StandardSliderCaptchaTemplate(sliderCaptchaResourceManager, true);
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// 生成滑块图片
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SliderCaptchaInfo slideImageInfo = sliderCaptchaTemplate.getSlideImageInfo();
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// 获取背景图片的base64
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String backgroundImage = slideImageInfo.getBackgroundImage();
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// 获取滑块图片
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slideImageInfo.getSliderImage();
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// 获取滑块被背景图片的百分比, (校验图片使用)
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Float xPercent = slideImageInfo.getXPercent();
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System.out.println(slideImageInfo);
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// 计算滑块到凹槽的百分比,用户存到缓存中供校验使用
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SliderCaptchaValidator sliderCaptchaValidator = new BasicCaptchaTrackValidator();
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// 滑块的百分比
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float percentage = sliderCaptchaValidator.calcPercentage(slideImageInfo.getX(), SliderCaptchaInfo.getBgImageWidth());
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// 校验
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// 用户传来的百分比和滑块的百分比校验是否正确,如果正确的话说明移动到了指定凹槽
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boolean check =sliderCaptchaValidator.checkPercentage(0.2f, percentage);
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// 用户传来的行为轨迹和滑动百分比进行校验,(有了滑动行为轨迹校验,是对 checkPercentage(..)方法的增强,建议使用这个方法进行校验 )
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check = sliderCaptchaValidator.valid(sliderCaptchaTrack, percentage);
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}
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```
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# 常用接口
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- 添加自定义图片资源
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- 自定义 `SliderCaptchaValidator` 校验器
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```java
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ResourceStore resourceStore = sliderCaptchaResourceManager.getResourceStore();=
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// 该接口负责对用户滑动验证码后传回的数据进行校验,比如滑块是否滑到指定位置,滑块行为轨迹是否正常等等
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// 该接口的默认实现有
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// SimpleSliderCaptchaValidator 校验用户是否滑到了指定缺口处
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// BasicCaptchaTrackValidator 是对 SimpleSliderCaptchaValidator增强
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// BasicCaptchaTrackValidator是对SimpleSliderCaptchaValidator的增强 对滑动轨迹进行了简单的验证
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// 友情提示 因为BasicCaptchaTrackValidator 里面校验滑动轨迹的算法已经开源,有强制要求的建议重写该接口的方法,避免被破解
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```
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- 添加自定义图片资源
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- 自定义图片资源大小为 590*360 格式为jpg
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```java
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ResourceStore resourceStore = sliderCaptchaResourceManager.getResourceStore();
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// 添加classpath目录下的 aa.jpg 图片
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resourceStore.addResource(new Resource(ClassPathResourceProvider.NAME, "/aa.jpg"));
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// 添加远程url图片资源
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@@ -52,6 +73,11 @@ public static void main(String[] args) throws InterruptedException {
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// 内置了通过url 和 classpath读取图片资源,如果想扩展可实现 ResourceProvider 接口,进行自定义扩展
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```
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- 添加自定义模板资源
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- 系统内置了2套模板,可以到QQ群:1021884609 文件中获取更多模板或者自己制作模板
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- 模板图片格式
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- 滑块大小为 110*110 格式为png
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- 凹槽大小为 110*110 格式为png
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- 模板大小为 110*360 格式为png,该图为固定格式,是一张纯透明图片
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```java
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ResourceStore resourceStore = sliderCaptchaResourceManager.getResourceStore();=
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Map<String, Resource> template1 = new HashMap<>(4);
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@@ -69,7 +95,7 @@ public static void main(String[] args) throws InterruptedException {
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// 第二个构造参数设置为false时将不加载默认的图片和模板
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SliderCaptchaTemplate sliderCaptchaTemplate = new DefaultSliderCaptchaTemplate(sliderCaptchaResourceManager, false);
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```
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- 扩展,对`DefaultSliderCaptchaTemplate`增加了缓存模块
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- 扩展,对`StandardSliderCaptchaTemplate`增加了缓存模块
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```java
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public static void main(String[] args) throws InterruptedException {
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// 使用 CacheSliderCaptchaTemplate 对滑块验证码进行缓存,使其提前生成滑块图片
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@@ -78,15 +104,13 @@ public static void main(String[] args) throws InterruptedException {
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// 参数三: 出错后 等待xx时间再进行生成
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// 参数四: 检查时间间隔
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SliderCaptchaResourceManager sliderCaptchaResourceManager = new DefaultSliderCaptchaResourceManager();
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DefaultSliderCaptchaTemplate sliderCaptchaTemplate = new CacheSliderCaptchaTemplate(new DefaultSliderCaptchaTemplate(sliderCaptchaResourceManager, true), 10, 1000, 100);
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DefaultSliderCaptchaTemplate sliderCaptchaTemplate = new CacheSliderCaptchaTemplate(new StandardSliderCaptchaTemplate(sliderCaptchaResourceManager, true), 10, 1000, 100);
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// 生成滑块图片
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SliderCaptchaInfo slideImageInfo = sliderCaptchaTemplate.getSlideImageInfo();
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// 获取背景图片的base64
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String backgroundImage = slideImageInfo.getBackgroundImage();
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// 获取滑块图片
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slideImageInfo.getSliderImage();
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// 获取滑块被背景图片的百分比, (校验图片使用)
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Float xPercent = slideImageInfo.getXPercent();
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System.out.println(slideImageInfo);
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}
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@@ -96,8 +120,8 @@ public static void main(String[] args) throws InterruptedException {
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```java
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// 实现了 ResourceProvider 后
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SliderCaptchaResourceManager sliderCaptchaResourceManager = new DefaultSliderCaptchaResourceManager();
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DefaultSliderCaptchaTemplate sliderCaptchaTemplate = new DefaultSliderCaptchaTemplate(sliderCaptchaResourceManager, true);
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StandardSliderCaptchaTemplate sliderCaptchaTemplate = new StandardSliderCaptchaTemplate(sliderCaptchaResourceManager, true);
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// 注册
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sliderCaptchaResourceManager.registerResourceProvider(new CustomResourceProvider());
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```
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- qq群: 1021884609
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# qq群: 1021884609
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