CRUL集成

     */
    public static function get($url, $params = '', $header = [], $timeout = 30, $options = [])
    {
        return self::send($url, $params, 'GET', $header, $timeout, $options);
    }

    /**
     * POST请求
     * @param string $url 请求的地址
     * @param mixed $params 传递的参数
     * @param array $header 传递的头部参数
     * @param int $timeout 超时设置，默认30秒
     * @param mixed $options CURL的参数
     * @return array|string
     * @author zyf <9689259@qq.com>
     */
    public static function post($url, $params = '', $header = [], $timeout = 30, $options = [])
    {
        return self::send($url, $params, 'POST', $header, $timeout, $options);
    }

    /**
     * DELETE请求
     * @param string $url 请求的地址
     * @param mixed $params 传递的参数
     * @param array $header 传递的头部参数
     * @param int $timeout 超时设置，默认30秒
     * @param mixed $options CURL的参数
     * @return array|string
     * @author zyf <9689259@qq.com>
     */
    public static function delete($url, $params = '', $header = [], $timeout = 30, $options = [])
    {
        return self::send($url, $params, 'DELETE', $header, $timeout, $options);
    }

    /**
     * PUT请求
     * @param string $url 请求的地址
     * @param mixed $params 传递的参数
     * @param array $header 传递的头部参数
     * @param int $timeout 超时设置，默认30秒
     * @param mixed $options CURL的参数
     * @return array|string
     * @author zyf <9689259@qq.com>
     */
    public static function put($url, $params = '', $header = [], $timeout = 30, $options = [])
    {
        return self::send($url, $params, 'PUT', $header, $timeout, $options);
    }

    /**
     * 下载远程文件
     * @param string $url 请求的地址
     * @param string $savePath 本地保存完整路径
     * @param mixed $params 传递的参数
     * @param array $header 传递的头部参数
     * @param int $timeout 超时设置，默认3600秒
     * @return bool|string
     * @author zyf <9689259@qq.com>
     */
    public static function down($url, $savePath, $params = '', $header = [], $timeout = 3600)
    {
        if (!is_dir(dirname($savePath))) {
            File::create(dirname($savePath));
        }

        $ch = curl_init();
        $fp = fopen($savePath, 'wb');

        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $header ? : ['Expect:']);
        curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_NOPROGRESS, 0);
        curl_setopt($ch, CURLOPT_FILE, $fp);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
        curl_setopt($ch, CURLOPT_BUFFERSIZE, 64000);
        curl_setopt($ch, CURLOPT_POST, false);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $params);

        $res        = curl_exec($ch);
        $curlInfo   = curl_getinfo($ch);

        if (curl_errno($ch) || $curlInfo['http_code'] != 200) {
            curl_error($ch);
            @unlink($savePath);
            return false;
        } else {
            curl_close($ch);
        }

        fclose($fp);

        return $savePath;
    }

    /**
     * CURL发送Request请求,支持GET、POST、PUT、DELETE
     * @param string $url 请求的地址
     * @param mixed $params 传递的参数
     * @param string $method 请求的方法
     * @param array $header 传递的头部参数
     * @param int $timeout 超时设置，默认30秒
     * @param mixed $options CURL的参数
     * @return array|string
     * @author zyf <9689259@qq.com>
     */
    private static function send($url, $params = '', $method = 'GET', $header = [], $timeout = 30, $options = [])
    {
        $cookieFile = RUNTIME_PATH . 'temp/' . md5('zyf') . '.txt';
        $userAgent = self::$userAgent[array_rand(self::$userAgent, 1)];
        $ch = curl_init();
        $opt                            = [];
        $opt[CURLOPT_COOKIEJAR]         = $cookieFile;
        $opt[CURLOPT_COOKIEFILE]        = $cookieFile;
        $opt[CURLOPT_USERAGENT]         = $userAgent;
        $opt[CURLOPT_CONNECTTIMEOUT]    = $timeout;
        $opt[CURLOPT_TIMEOUT]           = $timeout;
        $opt[CURLOPT_RETURNTRANSFER]    = true;
        $opt[CURLOPT_HTTPHEADER]        = $header ? : ['Expect:'];
        $opt[CURLOPT_FOLLOWLOCATION]    = true;

        if (substr($url, 0, 8) == 'https://') {
            $opt[CURLOPT_SSL_VERIFYPEER] = false;
            $opt[CURLOPT_SSL_VERIFYHOST] = 2;
        }

        if (is_array($params)) {
            $params = http_build_query($params);
        }

        switch (strtoupper($method)) {
            case 'GET':
                $extStr             = (strpos($url, '?') !== false) ? '&' : '?';
                $opt[CURLOPT_URL]   = $url . (($params) ? $extStr . $params : '');
                break;

            case 'POST':
                $opt[CURLOPT_POST]          = true;
                $opt[CURLOPT_POSTFIELDS]    = $params;
                $opt[CURLOPT_URL]           = $url;
                break;

            case 'PUT':
                $opt[CURLOPT_CUSTOMREQUEST] = 'PUT';
                $opt[CURLOPT_POSTFIELDS]    = $params;
                $opt[CURLOPT_URL]           = $url;
                break;

            case 'DELETE':
                $opt[CURLOPT_CUSTOMREQUEST] = 'DELETE';
                $opt[CURLOPT_POSTFIELDS]    = $params;
                $opt[CURLOPT_URL]           = $url;
                break;

            default:
                return ['error' => 500, 'msg' => '请求的方法不存在', 'info' => []];
                break;
        }

        curl_setopt_array($ch, (array) $opt + $options);
        $result = curl_exec($ch);
        $error  = curl_error($ch);

        if ($result == false || !empty($error)) {
            $errno  = curl_errno($ch);
            $info   = curl_getinfo($ch);
            curl_close($ch);
            return [
                'errno' => $errno,
                'msg'   => $error,
                'info'  => $info,
            ];
        }

        curl_close($ch);

        return $result;
    }

}