public function curlUpload($url = '', $postData = '')
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);

        $cfile = curl_file_create($postData['tmp_name'],$postData['type'],$postData['name']);
        // 設定 POST 資料
        $data = array('file' => $cfile);

        //  echo "<pre>";print_r($data);die;

        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        curl_setopt($ch, CURLOPT_TIMEOUT, 30); //設定cURL允許執行的最長秒數
        //https請求 不驗證證書和host
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $data = curl_exec($ch);
        // var_dump($data);
        curl_close($ch);
        return json_decode($data, 1);
    }

 //呼叫例項

 $file=$_POST['file'];

  $url='http://www.baidu.com';

 $result=$this->curlUpload($url,$file);

  echo "<pre>"; print_r( $result);