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