java-sevice-demo/src/main/java/com/yunzhi/demo/common/MathUtils.java

package com.yunzhi.demo.common;

import java.util.Random;

public class MathUtils {

    public static Integer getRand(int min, int max) {
        Random random = new Random();
        return random.nextInt(max) % (max - min + 1) + min;
    }
}