function base64_url_encode($input) { return rtrim(strtr(base64_encode($input), ' /', '-'), '='); } $code_urlfile = 'test1/test2/1234'; echo base64_url_encode($code_urlfile); echo ''; // bbs.it-home.org $url = base64_url_encode($code_urlfile); echo base64_decode($url); ?> 复制代码 结果: dGVzdDEvdGVzdDIvMTIzNA test1/test2/1234