又拍云token生成测试-这是错误实例，不能用他们的演示代码。。

gistfile1.txt

    function sign($key, $secret, $method, $uri, $date, $policy = null, $md5 = null)
    {
        $elems = array();
        foreach (array($method, $uri, $date, $policy, $md5) as $v) {
            if ($v) {
                $elems[] = $v;
            }
        }
        $value = implode('&', $elems);
        $sign = base64_encode(hash_hmac('sha1', $value, $secret, true));
        return 'UPYUN ' . $key . ':' . $sign;
    }

    function index3()
    {
        $key = 'aaeb09fc85c7e3d4fb5c874efc48393e.jpg';
//        $key = 'upyun';
        $secret = '***';
        $uri = '/androidtest/';
        $method = 'GET';
        $date = gmdate('D, d M Y H:i:s \G\M\T', time() + 3600 * 24);//*8是当前时间  *24是想把过期时间往后拖一下
//        echo gmdate('Y-m-d H:i:s', time() + 3600 * 8);
        $md = md5($secret);
        echo $date . "\n";
        echo $md . "\n";
        // 上传，处理，内容识别有存储
        echo $this->sign($key, md5($secret), $method, $uri, $date) . "\n";
        // 内容识别无存储，容器云
//        echo $this->sign($key, $secret, $method, $uri, $date);
    }