依赖
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<dependency>
<groupId>com.github.penggle</groupId>
<artifactId>kaptcha</artifactId>
<version>2.3.2</version>
<exclusions>
<exclusion>
<artifactId>javax.servlet-api</artifactId>
<groupId>javax.servlet</groupId>
</exclusion>
</exclusions>
</dependency>
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package com.cyz.captcha_demo.config;
import com.google.code.kaptcha.text.impl.DefaultTextCreator;
import java.util.Random;
/**
* @Author lian-chen
* @Date 2021/8/30 16:38
*/
public class KaptchaTextCreator extends DefaultTextCreator {
private static final String[] CNUMBERS = "0,1,2,3,4,5,6,7,8,9,10".split(",");