【验证码工具类 java】

package com.ruoyi.bnbackstage.util;

import org.springframework.stereotype.Service;



@Service
public class VerificationCodeUtil {
    
    public Integer getRandomCode(){
        java.util.Random random = new java.util.Random();
        int code = random.nextInt(9000) + 1000;

        return code;
    }
    
    public Integer getPwd() {
        int newNum = (int) ((Math.random() * 9 + 1) * 100000);
        return newNum;
    }
 }