手把手教你php对接海康api(1)7页

1、 <?phpheader('Content-type:text/html; Charset=utf-8');date_default_timezone_set('PRC');class Haikang public $pre_url = "访问IP" protected $app_key = "app_key" protected $app_secret = "app_secret" public $time ;/时间戳 public $content_type="application

2、/json"/类型 public $accept="*/*" ;/accept public $person_list_url = "/artemis/api/resource/v1/encodeDevice/get"/人员列表urlpublic $equipment_view_url = "/artemis/api/video/v1/cameras/previewURLs"/获取监控点预览取流URL public function _construct($app_key='', $app_secret=&#

3、39;') if($app_key!='') $this->app_key = $app_key; if($app_secret!='') $this->app_secret = $app_secret; $this->charset = 'utf-8' list($msec, $sec) = explode(' ', microtime();$this->time = (float)sprintf('%.0f', (floatval($msec) + floatval($sec)

4、* 1000); function getViewUrl($cameraIndexCode)/请求参数 $postData'cameraIndexCode' = $cameraIndexCode; $postData'streamType' =0;$postData'protocol' = 'hls'$postData'transmode' = 1; $sign = $this->get_sign($postData,$this->equipment_view_url); $options = arra

5、y( CURLOPT_HTTPHEADER => array( "Accept:".$this->accept, "Content-Type:".$this->content_type, "X-Ca-Key:".$this->app_key, "X-Ca-Signature:".$sign, "Date:".$this->time, "X-Ca-Signature-Headers:"."x-ca-key", ) ); $res

6、ult = $this->curlPost($this->pre_url.$this->equipment_view_url,json_encode($postData),$options); return json_decode($result,true); /* * 获取人员列表 */ function get_person_list($response) /请求参数 $postData'pageNo' = isset($response'pageNo') ? intval($response'pageNo'):"

7、1" $postData'pageSize' = isset($response'pageSize') ? intval($response'pageSize'):"1000" $sign = $this->get_sign($postData,$this->person_list_url); $options = array( CURLOPT_HTTPHEADER => array( "Accept:".$this->accept, "Content-Type:

8、".$this->content_type, "X-Ca-Key:".$this->app_key, "X-Ca-Signature:".$sign, "Date:".$this->time, "X-Ca-Signature-Headers:"."x-ca-key", ) ); $result = $this->curlPost($this->pre_url.$this->person_list_url,json_encode($postData),

9、$options); return json_decode($result,true); /* * 以appSecret为密钥，使用HmacSHA256算法对签名字符串生成消息摘要，对消息摘要使用BASE64算法生成签名（签名过程中的编码方式全为UTF-8） */ function get_sign($postData,$url) $sign_str = $this->get_sign_str($postData,$url); /签名字符串 $priKey=$this->app_secret; $sign = hash_hmac('sha256', $sign_st

10、r, $priKey,true); /生成消息摘要 $result = base64_encode($sign); return $result; function get_sign_str($postData,$url) $next = "n" $str = "POST".$next.$this->accept.$next.$this->content_type.$next.$this->time.$next;$str .= "x-ca-key:".$this->app_key.$next;$str .= $

11、url;return $str; public function getSignContent($params) ksort($params); $stringToBeSigned = "" $i = 0;$len = count($params); foreach ($params as $k => $v) if (false = $this->checkEmpty($v) && "" != substr($v, 0, 1) / 转换成目标字符集 $v = $this->characet($v, $this->c

12、harset); if ($i = 0) $stringToBeSigned .= "?$k" . "=" . "$v" else $stringToBeSigned .= "&" . "$k" . "=" . "$v" $i+; unset ($k, $v); return $stringToBeSigned; function get_message($postData) $str = str_replace(array('',

13、'','"'),'',json_encode($postData); return base64_encode(md5($str); /* * 校验$value是否非空 * if not set ,return true; * if is null , return true; */ protected function checkEmpty($value) if (!isset($value) return true; if ($value = null) return true; if (trim($value) = "&

14、quot;) return true; return false; /* * 转换字符集编码 * param $data * param $targetCharset * return string */ function characet($data, $targetCharset) if (!empty($data) $fileType = $this->charset; if (strcasecmp($fileType, $targetCharset) != 0) $data = mb_convert_encoding($data, $targetCharset, $fileTyp

15、e); return $data; public function curlPost($url = '', $postData = '', $options = array() if (is_array($postData) $postData = http_build_query($postData); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $postData); curl_setopt($ch, CURLOPT_TIMEOUT, 30); /设置c