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";}}