package cn.iocoder.yudao.util;

import org.springframework.stereotype.Component;

import java.util.Random;

/**
 * 手机验证码通用util
 * @author vinjor-M
 * @date 14:08 2024/10/16
**/
@Component
public class PhoneCodeUtil {
    /**
     * 生成登录验证码
     * @author vinjor-M
     * @date 14:09 2024/10/16
     * @return java.lang.String
    **/
    public String generateVerificationCode() {
        // 设置验证码长度
        int codeLength = 6;
        // 设置验证码字符源
        String codeSource = "0123456789";
        // 生成随机数对象
        Random random = new Random();
        StringBuilder verificationCode = new StringBuilder();
        // 随机生成验证码
        for (int i = 0; i < codeLength; i++) {
            int index = random.nextInt(codeSource.length());
            char codeChar = codeSource.charAt(index);
            verificationCode.append(codeChar);
        }
        return verificationCode.toString();
    }
}