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// com.example.demo.config.KaptchaConfig.java
package com.example.demo.config;
import com.google.code.kaptcha.impl.DefaultKaptcha;import com.google.code.kaptcha.util.Config;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;
import java.util.Properties;
@Configurationpublic class KaptchaConfig {
@Bean public DefaultKaptcha defaultKaptcha() { DefaultKaptcha kaptcha = new DefaultKaptcha(); Properties properties = new Properties(); properties.setProperty("kaptcha.image.width", "130"); properties.setProperty("kaptcha.image.height", "45"); properties.setProperty("kaptcha.textproducer.char.length", "4"); properties.setProperty("kaptcha.textproducer.font.size", "35"); properties.setProperty("kaptcha.textproducer.font.color", "black"); properties.setProperty("kaptcha.textproducer.char.space", "5"); properties.setProperty("kaptcha.obscurificator.impl", "com.google.code.kaptcha.impl.WaterRipple"); properties.setProperty("kaptcha.noise.impl", "com.google.code.kaptcha.impl.DefaultNoise");
kaptcha.setConfig(new Config(properties)); return kaptcha; }}
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