又拍云云存储访问控制token生成 PHP版

gistfile1.txt

        $host = "http://ossupyun.****.com";
        $uri = '/androidtest/aaeb09fc85c7e3d4fb5c874efc48393e.jpg';
        $secret = '替换成你自己的token';
        $time = time() + 3600 * 24;
        $light = $secret . "&" . $time . "&" . $uri;
        $sign = md5($light);
        $sign8 = substr($sign, 12, 8);
        echo $host . $uri . "?_upt=" . $sign8 . $time;