php code
0){
$s = $x % 62;
if ($s > 35){
$s = chr($s + 61);
}else if ($s > 5 && $s$s = chr($s + 55);
}
$show .= $s;
$x = floor($x/62);
}
return $show;
}
function url_short($url){
$url = crc32($url);
$result = sprintf(%u,$url);
return base62($result);
}
echo (生成的新网址为：.url_short($_post['url']).);