/**
* 短域名生成&解析类
*/
class Build_URL {
private $mem;
private $base_url = 'http://xxx.com/';
公共函数 __construct() {
$mem_conf = array(
array(
'主机' => '192.168.10 .90',
'端口' => '11116' '端口' => '11117'
),
);
$this->mem = new Memcache();
foreach ($mem_conf as $v) {
$this->mem->addServer($v['host'], $v[' port']);
}
}
公共函数编码($url) {
$url = trim($url);
if(!preg_match("#^ [http://|https://|ftp://]#iS", $url)) {
return false;
}
$md5 = md5($url);
$aid = $this->mem->get($md5);
if(!$aid) {
if(($aid = $this->mem->increment('auto_increment_id) ')) === false) {
$this->mem->set('auto_increment_id', 10000);
$aid = $this->mem->increment('auto_increment_id' );
}
$this->mem->set($md5, $aid);
$key = $this->dec2any($aid);
$这—— >mem->set($key, $url);
} else {
$key = $this->dec2any($aid);
}
return $ this->base_url.$key;
}
公共函数解码($url) {
$key = str_replace($this->base_url, '', trim($url) );
return $this->mem->get($key);
}
私有函数 dec2any($num, $base=62, $index=false) {
$out = '';
if (! $base ) {
$base = strlen($index);
} else if (! $index ) {
$index = substr("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVW XYZ",0,$base);
}
$t = ($num == 0) ? 0 : 楼层(log10($num) / log10($base));
for ($t; $t >= 0; $t--) {
$a = 楼层($num / pow ( $base, $t ));
$out = $out 。 substr($index, $a, 1);
$num = $num - ($a * pow( $base, $t ));
}
return $out;
}
}
$app = new Build_URL();
$url = array(
'http://www.baidu.com',
'http://www.baidu.com' google.com',
'http://www.jb51.net'
);
foreach ($url as $v) {
$sort = $app->encode($ v);
echo "排序链接：".$sort."n";
$original = $app->decode($sort);
echo "原始：".$original." n";
}
?>
