src/thinkextend/upload/driver/qiniu/QiniuStorage.php
public function del($file)
    {
        $key         = trim($file);
        $url         = "{$this->QINIU_RS_HOST}/delete/" . self::qiniuEncode("{$this->bucket}:{$key}");
        $accessToken = $this->accessToken($url);
        $response    = $this->request($url, 'POST', ['Authorization' => "QBox $accessToken"]);
        return $response;
    }
public function del($file)
    {
        $key         = trim($file);
        $url         = "{$this->QINIU_RS_HOST}/delete/" . self::qiniuEncode("{$this->bucket}:{$key}");
        $accessToken = $this->accessToken($url);
        $response    = $this->request($url, 'POST', ['Authorization' => "QBox $accessToken"]);
        return $response;
    }
删除单个文件