网址缩短与还原base62-PHP源码-php.cn

网址缩短与还原base62

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Release： 2016-05-26 08:18:17

Original

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网址缩短与还原base62

function enbase62($number,$encode = &#39;&#39;){
    $base62 = &#39;0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ&#39;;
    while($number > 0){
        $mod = bcmod($number, 62);
        $encode .= $base62[$mod];
        $number = bcp(bcsub($number, $mod), 62);
    }
    return strrev($encode);
}

function debase62($encode, $number = 0){
    $base62 = &#39;0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ&#39;;
    $length = strlen($encode);
    $baselist = array_flip(str_split($base62));
    for($i = 0; $i < $length; $i++){
        $number = bcadd($number, bcmul($baselist[$encode[$i]], bcpow(62, $length - $i - 1)));
    }
    return $number;
}

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2. [SQL]代码

CREATE TABLE `waoo_shorturl` (
  `short_id` int(12) NOT NULL AUTO_INCREMENT COMMENT &#39;自增id&#39;,
  `short_name` varchar(50) DEFAULT NULL COMMENT &#39;别名&#39;,
  `title` varchar(100) DEFAULT NULL COMMENT &#39;标题&#39;,
  `link` varchar(800) DEFAULT NULL COMMENT &#39;网址链接&#39;,
  `create_time` datetime DEFAULT NULL COMMENT &#39;创建时间&#39;,
  `uid` int(10) DEFAULT NULL COMMENT &#39;拥有者&#39;,
  `status` tinyint(1) DEFAULT &#39;1&#39; COMMENT &#39;1有效, 0封禁 -1删除&#39;,
  `top_domain` varchar(100) DEFAULT NULL COMMENT &#39;顶级域名&#39;,
  `all_domain` varchar(100) NOT NULL COMMENT &#39;域名全文&#39;,
  `create_ip` varchar(15) NOT NULL COMMENT &#39;ip&#39;,
  PRIMARY KEY (`short_id`),
  UNIQUE KEY `short_name` (`short_name`)
) ENGINE=MyISAM AUTO_INCREMENT=12 DEFAULT CHARSET=utf8

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3.[C/C++]代码

<IfModule mod_rewrite.c>
  Options +FollowSymlinks
  RewriteEngine On

  RewriteRule /d/(?!index)(.*) /d/index/?short_id=$1 [L,NC]
  RewriteRule /s/(?!index)(.*) /s/index/?short_name=$1 [L,NC]
  
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteRule ^(.*)$ index.php/$1 [QSA,PT,L]
</IfModule>

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