package com.dsh.guns.modular.system.controller.util;

import java.util.Random;

public class CaptchaGenerator {
    public static String generateCaptcha(int length) {
        Random random = new Random();
        StringBuilder captcha = new StringBuilder();
        for (int i = 0; i < length; i++) {
            int randomChar = random.nextInt(26) + 65; // 生成随机的大写字母的ASCII码
             captcha.append((char) randomChar);
            // 将ASCII码转换为字符并添加到验证码字符串中
             }
             return captcha.toString();}
}