API之 要求接口上传pdf 以 合同PDF的二进制数据，multpart方式上传

实现

	   //时间戳13位毫秒
	    private function getMillisecond() {
	        list($s1,$s2) = explode(' ',microtime());
	        return (float)sprintf('%.0f',(floatval($s1) + floatval($s2)) * 1000);
	    }

		// 组装参数
		private function gysscPost1($url,$data)
        {

            // $data['timestamp'] = '1694402111964';
            $data['timestamp'] = $this->getMillisecond();
            $data['v'] = '1.0';
            $data['appKey'] = $this->appKey;
            $data['method'] = $data['method'];
            $data['token'] = $this->token;
            $data['format'] = 'json';
            $data['paramType'] = 'json';
            $contractBytes = $data['contractBytes'];   // 上传pdf的文件地址
            unset($data['contractBytes']);

            ksort($data);
            
            $data['sign'] = $sign_str;
            
            $res = $this->curl1('http://39.101.164.226:8073/openapi', $data,$contractBytes);
            $result = $this->decrypt($res);      //解密
            return $result;
        }
        
        public function curl1($url, $post,$contractBytes,$is_json = false,$aHeader='')
        {
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($ch, CURLOPT_POST, true);
            curl_setopt($ch, CURLOPT_HEADER, false);
            curl_setopt($ch, CURLOPT_SAFE_UPLOAD, true);
            curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
            curl_setopt($ch, CURLOPT_URL, $url);
            
            // 重点是下面 传参
            $post['contractBytes']= curl_file_create($contractBytes, mime_content_type($contractBytes), time() . 'pdf');

            curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
            curl_setopt($ch, CURLOPT_HTTPHEADER, array(
                'Content-Type: multipart/form-data',
                $aHeader
            ));

            // 返回结果
            $result = curl_exec($ch);

            if($result != false)
            {
                curl_close($ch);
                return $result;
            } else {
                $error = curl_errno($ch);
                curl_close($ch);
                return "curl出错，错误码:$error";
            }
        }
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