package com.hanhanfilm.common.captcha.bean;
import java.awt.image.BufferedImage;
/**
* https://www.hanhanfilm.com
* Created by badouyuren.
*/
public interface Captcha {
/**
* 获得随机值的md5
*/
String getMd5RandomCode() ;
/**
* 获得生成的图片流
*/
BufferedImage getCaptchaImage();
/**
* 绘制验证码
*/
BufferedImage drawGraphic();
}
