php获取当前URL地址和参数解决方案

$str = 'http://biao.lequj.com/pin-index-cat-6-tag-Casio/%E5%8D%A1%E8%A5%BF%E6%AC%A7.html';
preg_match('/tag-(.*).html$/i', $str, $match);
if (isset($match[1]))
    echo urldecode($match[1]);