private static long currentTimeMillis() {
        return System.currentTimeMillis();
    }
https://blog.csdn.net/w_y_t_/article/details/51416201
<p>
https://www.cnblogs.com/xunux/p/4882761.html
<p>
https://blog.csdn.net/weixin_41175479/article/details/80608512
fluent-mybatis/src/main/java/cn/org/atool/fluent/mybatis/base/provider/CommonSqlKit.java