1.校验字符串是否是数字或者2位小数$str = '1.33'; $reg = "/^(([1-9][0-9]*)|(([0]\.\d{1,2}|[1-9][0-9]*\.\d{1,2})))$/"; $res = preg_match($reg,$str); //合格 1 不匹配 0 Base::dump($res);2.JS开发工具函数https://zhuanlan.zhihu.com/p/113385396?hmsr=toutiao.io&utm_medium=toutiao.io&utm_source=toutiao.io
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docker search lnmpdocker pull 时候报错https://blog.csdn.net/qq_41774376/article/details/98762922DNS解析docker pull winstonpro/lnmp34.197.189.129 registry-1.docker.io然后再 docker pull如果dokcer pull比较慢,将docker镜像源修改为国内的vim /etc/docker/daemon.json {"registry-mirrors": ["https://9cpn8tt6.mirror...