/* ?????* 根据id生成员工编号 ?至少八位 ?前四位年份 ?eg：20180001 ?????* */ ???public static function generateEmployeeByNum($num){ ???????$number = date(‘Y‘); ???????$numLength = strlen($num); ???????if($numLength == 0){ ???????????$number .= date(‘Hs‘); ???????}elseif($numLength > 0 && $numLength < 4){ ???????????for ($i=0;$i<4-$numLength;$i++){ ???????????????$number .= ‘0‘; ???????????} ???????????$number .=$num; ???????}else{ ???????????$number .=$num; ???????} ???????return $number; ???}csdn地址：https://blog.csdn.net/u010244476/article/details/84101881
php根据ID生成员工编号 ??阿星小栈
原文地址：https://www.cnblogs.com/dereckbu/p/9962693.html