package com.sercurityControl.proteam.util;

/**
 * @author cw chen
 * @description TODO
 * @date 2023-03-31 14:47
 */
public class IDUtils {
    private static byte[] lock = new byte[0];

    // 位数，默认是8位
    private final static long w = 100000000;

    public static String createID() {
        long r = 0;
        synchronized (lock) {
            r = (long) ((Math.random() + 1) * w);
        }

        return System.currentTimeMillis() + String.valueOf(r).substring(1);
    }

}