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#说明：我这使用的是类，可根据自己需求进行拆分为发方法，我使用的是authorizationV2使用v1的可以自行去看文档或者sdk
#七牛云官方文档路径：[七牛云资源列举文档](https://developer.qiniu.com/kodo/1284/list)
以下是代码：

class Auth
{
    private $accessKey;
    private $secretKey;
    public $options;

    public function __construct($accessKey, $secretKey, $options = null)
    {
        $this->accessKey = $accessKey;
        $this->secretKey = $secretKey;
        $defaultOptions = array(
            'disableQiniuTimestampSignature' => null
        );
        if ($options == null) {
            $options = $defaultOptions;
        }
        $this->options = array_merge($defaultOptions, $options);
    }

     //对数据进行编码
    public function base64_urlSafeEncode($data)
    {
        $find = array('+', '/');
        $replace = array('-', '_');
        return str_replace($find, $replace, base64_encode($data));
    }

    public function sign($data)
    {
        $hmac = hash_hmac('sha1', $data, $this->secretKey, true);
        return $this->accessKey . ':' . $this->base64_urlSafeEncode($hmac);
    }
    /**
     * @param string $urlString
     * @param string $method
     * @param string $body
     * @param null|Header $headers
     */
    public function signQiniuAuthorization($urlString, $method = "GET", $body = "", $headers = null)
    {
        $url = parse_url($urlString);
        
        if (!$url) {
            return array(null, new \Exception("parse_url error"));
        }

        // append method, path and query
        if ($method === "") {
            $data = "GET ";
        } else {
            $data = $method . " ";
        }
        if (isset($url["path"])) {
            $data .= $url["path"];
        }
        if (isset($url["query"])) {
            $data .= "?" . $url["query"];
        }
        
        // append Host
        $data .= "\n";
        $data .= "Host: ";
        if (isset($url["host"])) {
            $data .= $url["host"];
        }
        if (isset($url["port"]) && $url["port"] > 0) {
            $data .= ":" . $url["port"];
        }

        // try append content type
        if ($headers != null && isset($headers["Content-Type"])) {
            // append content type
            $data .= "\n";
            $data .= "Content-Type: " . $headers["Content-Type"];
        }

        // try append xQiniuHeaders
        if ($headers != null) {
            $headerLines = array();
            $keyPrefix = "X-Qiniu-";
            foreach ($headers as $k => $v) {
                if (strlen($k) > strlen($keyPrefix) && strpos($k, $keyPrefix) === 0) {
                    array_push(
                        $headerLines,
                        $k . ": " . $v
                    );
                }
            }
            if (count($headerLines) > 0) {
                $data .= "\n";
                sort($headerLines);
                $data .= implode("\n", $headerLines);
            }
        }
        // append body
        $data .= "\n\n";
        if (!is_null($body)
            && strlen($body) > 0
            && isset($headers["Content-Type"])
            && $headers["Content-Type"] != "application/octet-stream"
        ) {
            $data .= $body;
        }
        return array($this->sign($data), null);
    }

    public function authorizationV2($url, $method, $body = null, $contentType = null)
    {
        $headers = '';
        $result = array();
        if ($contentType != null) {
            $headers['Content-Type'] = $contentType;
            $result['Content-Type'] = $contentType;
        }

        $signDate = gmdate('Ymd\THis\Z', time());
        if ($this->options['disableQiniuTimestampSignature'] !== null) {
            if (!$this->options['disableQiniuTimestampSignature']) {
                $headers['X-Qiniu-Date'] = $signDate;
                $result['X-Qiniu-Date'] = $signDate;
            }
        } elseif (getenv("DISABLE_QINIU_TIMESTAMP_SIGNATURE")) {
            if (strtolower(getenv("DISABLE_QINIU_TIMESTAMP_SIGNATURE")) !== "true") {
                $headers['X-Qiniu-Date'] = $signDate;
                $result['X-Qiniu-Date'] = $signDate;
            }
        } else {
            $headers['X-Qiniu-Date'] = $signDate;
            $result['X-Qiniu-Date'] = $signDate;
        }

        list($sign) = $this->signQiniuAuthorization($url, $method, $body, $headers);

        $result['Authorization'] = 'Qiniu ' . $sign;
        return $result;
    }
}

//需要的两个key（秘钥）需要到七牛云后台获取
$accessKey = '';
$secretKey = '';
$Obj = new Auth($accessKey,$secretKey);

//根据文档描述这里只传入一个比传的参数bucket
$bucket = "";
$query = [
    'bucket' => $bucket,
];
//定义curl请求的路径

$url = "http://rsf.qiniuapi.com/v2/list?".http_build_query($query);
//获取管理凭证
$res = $Obj->authorizationV2($url,'POST', null, 'application/x-www-form-urlencoded');
$Authorization = $res['Authorization'];
$date= $res['X-Qiniu-Date'];
//定义header头部
$header =[
    'Content-Type:application/x-www-form-urlencoded',
    'X-Qiniu-Date:'.$date,
    'Authorization: '.$Authorization,
]; 
function http_post($sUrl, $aHeader){

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_URL, $sUrl);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
    $sResult = curl_exec($ch);
    if($sError=curl_error($ch)){
        die($sError);
    }
    curl_close($ch);
    return $sResult;
}


$res = http_post($url,$header);
#此处的res就是结果了