Think/Upload/Driver/Qiniu/QiniuStorage.php
public function info($key)
    {
        $key = trim($key);
        $url = "{$this->QINIU_RS_HOST}/stat/".static::Qiniu_Encode("{$this->bucket}:{$key}");
        $accessToken = $this->accessToken($url);

        return $this->request(
            $url,
            'POST',
            [
                'Authorization' => "QBox $accessToken",
            ]
        );
    }
public function info($key)
    {
        $key = trim($key);
        $url = "{$this->QINIU_RS_HOST}/stat/".static::Qiniu_Encode("{$this->bucket}:{$key}");
        $accessToken = $this->accessToken($url);

        return $this->request(
            $url,
            'POST',
            [
                'Authorization' => "QBox $accessToken",
            ]
        );
    }
获取某个文件的信息

@param $key

@return bool