不知道你注意了没有,类似优酷、腾讯视频等其他视频链接似乎类似这样的复制代码代码如下:http://v.youku.com/v_show/id_XNjA5MjE5OTM2.html注意id_xxx那段,是不是看不懂了,但你无可否认这个就是id,这不国外的一位牛人早在09年就写了针对PHP/Python/Javascript/Java/SQL的生成方法,可见我现在是多么的落伍,下面我把代码贴出来,希望分享精神永存。
复制代码代码如下:php/*** @author Kevin van Zonneveld* @author Simon Franz* @author Deadfish* @copyright 2008 Kevin van Zonneveld (http://kevin.vanzonneveld.net)* @license http://www.opensource.org/licenses/bsd-license.php New BSD Licence* @version SVN: Release: $Id: alphaID.inc.php 344 2009-06-10 17:43:59Z kevin $* @link http://kevin.vanzonneveld.net/** @param mixed $in String or long input to translate* @param boolean $to_num Reverses translation when true* @param mixed $pad_up Number or boolean padds the result up to a specified length* @param string $passKey Supplying a password makes it harder to calculate the original ID** @return mixed string or long*/function alphaID($in, $to_num = false, $pad_up = false, $passKey = null){$index = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";if ($passKey !== null) {// Although this function's purpose is to just make the// ID short - and not so much secure,// with this patch by Simon Franz (http://blog.snaky.org/)// you can optionally supply a password to make it harder// to calculate the corresponding numeric IDfor ($n = 0; $n$i[] = substr( $index,$n ,1);}$passhash = hash('sha256',$passKey);$passhash = (strlen($passhash)? hash('sha512',$passKey): $passhash;for ($n=0; $n$p[] = substr($passhash, $n ,1);}array_multisort($p, SORT_DESC, $i);$index = implode($i);}$base = strlen($index);if ($to_num) {// Digital number$out -= pow($base, $pad_up);}}$out = sprintf('%F', $out);$out = substr($out, 0, strpos($out, '.'));} else {// Digital number -->> alphabet letter codeif (is_numeric($pad_up)) {$pad_up--;if ($pad_up > 0) {$in += pow($base, $pad_up);}}$out = "";for ($t = floor(log($in, $base)); $t >= 0; $t--) {$bcp = bcpow($base, $t);$a = floor($in / $bcp) % $base;$out = $out . substr($index, $a, 1);$in = $in - ($a * $bcp);}$out = strrev($out); // reverse}return $out;}使用举例PHP 8.5.5 PHP 8.5.5 是 PHP 8.5 分支的维护更新版本。该版本延续了“小步快跑”的迭代逻辑,通过深度错误修复、底层性能微调以及安全加固,旨在为开发者提供一个更健壮、更高效的运行环境。该版本严格遵守语义化版本规范,不包含破坏性变更。
下载复制代码代码如下:alphaID(9007199254740989);执行结果将被返回“fE2XnNGpF”,我们可以把它认为是加密,进行反解密则复制代码代码如下:alphaID('fE2XnNGpF', true);那么就转换成真实的数字“9007199254740989”。方法还可以支持使用key进行加密,使得别人无法解得你真实的ID。
