PHP使用Face++接口开发微信公众平台人脸识别系统的方法

本文实例讲述了PHP使用Face++接口开发微信公众平台人脸识别系统的方法。分享给大家供大家参考。具体如下：

效果图如下：

具体步骤如下：

首先，先登录Face++的官网注册账号：官网链接
注册之后会获取到api_secret和api_key，这些在调用接口的时候需要用到。
然后接下来的就是使用PHP脚本调用API了。
在使用PHP开发微信公共平台的时候，推荐使用Github上的一款不错的框架：wechat-php-sdk
对于微信的常用接口做了一些封装，核心文件wechat.class.php如下：

<?php /**  * 微信公众平台PHP-SDK, 官方API部分  * @author dodge <dodgepudding@gmail.com>  * @link https://github.com/dodgepudding/wechat-php-sdk  * @version 1.2  * usage:  *  $options = array(  *     'token'=>'tokenaccesskey', //填写你设定的key  *     'appid'=>'wxdk1234567890', //填写高级调用功能的app id  *     'appsecret'=>'xxxxxxxxxxxxxxxxxxx', //填写高级调用功能的密钥  *   );  *  $weObj = new Wechat($options);  *  $weObj->valid();  *  $type = $weObj->getRev()->getRevType();  *  switch($type) {  *     case Wechat::MSGTYPE_TEXT:  *       $weObj->text("hello, I'm wechat")->reply();  *       exit;  *       break;  *     case Wechat::MSGTYPE_EVENT:  *       ....  *       break;  *     case Wechat::MSGTYPE_IMAGE:  *       ...  *       break;  *     default:  *       $weObj->text("help info")->reply();  *  }  *  //获取菜单操作:  *  $menu = $weObj->getMenu();  *  //设置菜单  *  $newmenu = array(  *     "button"=>  *       array(  *         array('type'=>'click','name'=>'最新消息','key'=>'MENU_KEY_NEWS'),  *         array('type'=>'view','name'=>'我要搜索','url'=>'http://www.baidu.com'),  *         )  *     );  *  $result = $weObj->createMenu($newmenu);  */ class Wechat {   const MSGTYPE_TEXT = 'text';   const MSGTYPE_IMAGE = 'image';   const MSGTYPE_LOCATION = 'location';   const MSGTYPE_LINK = 'link';   const MSGTYPE_EVENT = 'event';   const MSGTYPE_MUSIC = 'music';   const MSGTYPE_NEWS = 'news';   const MSGTYPE_VOICE = 'voice';   const MSGTYPE_VIDEO = 'video';   const API_URL_PREFIX = 'https://api.weixin.qq.com/cgi-bin';   const AUTH_URL = '/token?grant_type=client_credential&';   const MENU_CREATE_URL = '/menu/create?';   const MENU_GET_URL = '/menu/get?';   const MENU_DELETE_URL = '/menu/delete?';   const MEDIA_GET_URL = '/media/get?';   const QRCODE_CREATE_URL='/qrcode/create?';   const QR_SCENE = 0;   const QR_LIMIT_SCENE = 1;   const QRCODE_IMG_URL='https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=';   const USER_GET_URL='/user/get?';   const USER_INFO_URL='/user/info?';   const GROUP_GET_URL='/groups/get?';   const GROUP_CREATE_URL='/groups/create?';   const GROUP_UPDATE_URL='/groups/update?';   const GROUP_MEMBER_UPDATE_URL='/groups/members/update?';   const CUSTOM_SEND_URL='/message/custom/send?';   const OAUTH_PREFIX = 'https://open.weixin.qq.com/connect/oauth2';   const OAUTH_AUTHORIZE_URL = '/authorize?';   const OAUTH_TOKEN_PREFIX = 'https://api.weixin.qq.com/sns/oauth2';   const OAUTH_TOKEN_URL = '/access_token?';   const OAUTH_REFRESH_URL = '/refresh_token?';   const OAUTH_USERINFO_URL = 'https://api.weixin.qq.com/sns/userinfo?';   private $token;   private $appid;   private $appsecret;   private $access_token;   private $user_token;   private $_msg;   private $_funcflag = false;   private $_receive;   public $debug = false;   public $errCode = 40001;   public $errMsg = "no access";   private $_logcallback;   public function __construct($options)   {     $this->token = isset($options['token'])?$options['token']:'';     $this->appid = isset($options['appid'])?$options['appid']:'';     $this->appsecret = isset($options['appsecret'])?$options['appsecret']:'';     $this->debug = isset($options['debug'])?$options['debug']:false;     $this->_logcallback = isset($options['logcallback'])?$options['logcallback']:false;   }   /**    * For weixin server validation    */    private function checkSignature()   {     $signature = isset($_GET["signature"])?$_GET["signature"]:'';     $timestamp = isset($_GET["timestamp"])?$_GET["timestamp"]:'';     $nonce = isset($_GET["nonce"])?$_GET["nonce"]:'';     $token = $this->token;     $tmpArr = array($token, $timestamp, $nonce);     sort($tmpArr, SORT_STRING);     $tmpStr = implode( $tmpArr );     $tmpStr = sha1( $tmpStr );     if( $tmpStr == $signature ){       return true;     }else{       return false;     }   }   /**    * For weixin server validation    * @param bool $return 是否返回    */   public function valid($return=false)   {     $echoStr = isset($_GET["echostr"]) ? $_GET["echostr"]: '';     if ($return) {         if ($echoStr) {           if ($this->checkSignature())              return $echoStr;           else             return false;         } else            return $this->checkSignature();     } else {         if ($echoStr) {           if ($this->checkSignature())             die($echoStr);           else              die('no access');         } else {           if ($this->checkSignature())             return true;           else             die('no access');         }     }     return false;   }   /**    * 设置发送消息    * @param array $msg 消息数组    * @param bool $append 是否在原消息数组追加    */   public function Message($msg = '',$append = false){       if (is_null($msg)) {         $this->_msg =array();       }elseif (is_array($msg)) {         if ($append)           $this->_msg = array_merge($this->_msg,$msg);         else           $this->_msg = $msg;         return $this->_msg;       } else {         return $this->_msg;       }   }   public function setFuncFlag($flag) {       $this->_funcflag = $flag;       return $this;   }   private function log($log){       if ($this->debug && function_exists($this->_logcallback)) {         if (is_array($log)) $log = print_r($log,true);         return call_user_func($this->_logcallback,$log);       }   }   /**    * 获取微信服务器发来的信息    */   public function getRev()   {     if ($this->_receive) return $this;     $postStr = file_get_contents("php://input");     $this->log($postStr);     if (!empty($postStr)) {       $this->_receive = (array)simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);     }     return $this;   }   /**    * 获取微信服务器发来的信息    */   public function getRevData()   {     return $this->_receive;   }   /**    * 获取消息发送者    */   public function getRevFrom() {     if (isset($this->_receive['FromUserName']))       return $this->_receive['FromUserName'];     else        return false;   }   /**    * 获取消息接受者    */   public function getRevTo() {     if (isset($this->_receive['ToUserName']))       return $this->_receive['ToUserName'];     else        return false;   }   /**    * 获取接收消息的类型    */   public function getRevType() {     if (isset($this->_receive['MsgType']))       return $this->_receive['MsgType'];     else        return false;   }   /**    * 获取消息ID    */   public function getRevID() {     if (isset($this->_receive['MsgId']))       return $this->_receive['MsgId'];     else        return false;   }   /**    * 获取消息发送时间    */   public function getRevCtime() {     if (isset($this->_receive['CreateTime']))       return $this->_receive['CreateTime'];     else        return false;   }   /**    * 获取接收消息内容正文    */   public function getRevContent(){     if (isset($this->_receive['Content']))       return $this->_receive['Content'];     else if (isset($this->_receive['Recognition'])) //获取语音识别文字内容，需申请开通       return $this->_receive['Recognition'];     else       return false;   }   /**    * 获取接收消息图片    */   public function getRevPic(){     if (isset($this->_receive['PicUrl']))       return $this->_receive['PicUrl'];     else        return false;   }   /**    * 获取接收消息链接    */   public function getRevLink(){     if (isset($this->_receive['Url'])){       return array(         'url'=>$this->_receive['Url'],         'title'=>$this->_receive['Title'],         'description'=>$this->_receive['Description']       );     } else        return false;   }   /**    * 获取接收地理位置    */   public function getRevGeo(){     if (isset($this->_receive['Location_X'])){       return array(         'x'=>$this->_receive['Location_X'],         'y'=>$this->_receive['Location_Y'],         'scale'=>$this->_receive['Scale'],         'label'=>$this->_receive['Label']       );     } else        return false;   }   /**    * 获取接收事件推送    */   public function getRevEvent(){     if (isset($this->_receive['Event'])){       return array(         'event'=>$this->_receive['Event'],         'key'=>$this->_receive['EventKey'],       );     } else        return false;   }   /**    * 获取接收语言推送    */   public function getRevVoice(){     if (isset($this->_receive['MediaId'])){       return array(         'mediaid'=>$this->_receive['MediaId'],         'format'=>$this->_receive['Format'],       );     } else        return false;   }   /**    * 获取接收视频推送    */   public function getRevVideo(){     if (isset($this->_receive['MediaId'])){       return array(           'mediaid'=>$this->_receive['MediaId'],           'thumbmediaid'=>$this->_receive['ThumbMediaId']       );     } else       return false;   }   /**    * 获取接收TICKET    */   public function getRevTicket(){   if (isset($this->_receive['Ticket'])){     return $this->_receive['Ticket'];   } else     return false;   }   /**    * 获取二维码的场景值    */   public function getRevSceneId (){     if (isset($this->_receive['EventKey'])){       return str_replace('qrscene_','',$this->_receive['EventKey']);     } else{       return false;     }   }   public static function xmlSafeStr($str)   {       return '<![CDATA['.preg_replace("/[//x00-//x08//x0b-//x0c//x0e-//x1f]/",'',$str).']]>';     }    /**    * 数据XML编码    * @param mixed $data 数据    * @return string    */   public static function data_to_xml($data) {     $xml = '';     foreach ($data as $key => $val) {       is_numeric($key) && $key = "item id=/"$key/"";       $xml  .= "<$key>";       $xml  .= ( is_array($val) || is_object($val)) ? self::data_to_xml($val) : self::xmlSafeStr($val);       list($key, ) = explode(' ', $key);       $xml  .= "</$key>";     }     return $xml;   }     /**    * XML编码    * @param mixed $data 数据    * @param string $root 根节点名    * @param string $item 数字索引的子节点名    * @param string $attr 根节点属性    * @param string $id  数字索引子节点key转换的属性名    * @param string $encoding 数据编码    * @return string   */   public function xml_encode($data, $root='xml', $item='item', $attr='', $id='id', $encoding='utf-8') {     if(is_array($attr)){       $_attr = array();       foreach ($attr as $key => $value) {         $_attr[] = "{$key}=/"{$value}/"";       }       $attr = implode(' ', $_attr);     }     $attr  = trim($attr);     $attr  = empty($attr) ? '' : " {$attr}";     $xml  = "<{$root}{$attr}>";     $xml  .= self::data_to_xml($data, $item, $id);     $xml  .= "</{$root}>";     return $xml;   }   /**    * 设置回复消息    * Examle: $obj->text('hello')->reply();    * @param string $text    */   public function text($text='')   {     $FuncFlag = $this->_funcflag ? 1 : 0;     $msg = array(       'ToUserName' => $this->getRevFrom(),       'FromUserName'=>$this->getRevTo(),       'MsgType'=>self::MSGTYPE_TEXT,       'Content'=>$text,       'CreateTime'=>time(),       'FuncFlag'=>$FuncFlag     );     $this->Message($msg);     return $this;   }   /**    * 设置回复音乐    * @param string $title    * @param string $desc    * @param string $musicurl    * @param string $hgmusicurl    */   public function music($title,$desc,$musicurl,$hgmusicurl='') {     $FuncFlag = $this->_funcflag ? 1 : 0;     $msg = array(       'ToUserName' => $this->getRevFrom(),       'FromUserName'=>$this->getRevTo(),       'CreateTime'=>time(),       'MsgType'=>self::MSGTYPE_MUSIC,       'Music'=>array(         'Title'=>$title,         'Description'=>$desc,         'MusicUrl'=>$musicurl,         'HQMusicUrl'=>$hgmusicurl       ),       'FuncFlag'=>$FuncFlag     );     $this->Message($msg);     return $this;   }   /**    * 设置回复图文    * @param array $newsData    * 数组结构:    * array(    *   [0]=>array(    *     'Title'=>'msg title',    *     'Description'=>'summary text',    *     'PicUrl'=>'http://www.domain.com/1.jpg',    *     'Url'=>'http://www.domain.com/1.html'    *   ),    *   [1]=>....    * )    */   public function news($newsData=array())   {     $FuncFlag = $this->_funcflag ? 1 : 0;     $count = count($newsData);     $msg = array(       'ToUserName' => $this->getRevFrom(),       'FromUserName'=>$this->getRevTo(),       'MsgType'=>self::MSGTYPE_NEWS,       'CreateTime'=>time(),       'ArticleCount'=>$count,       'Articles'=>$newsData,       'FuncFlag'=>$FuncFlag     );     $this->Message($msg);     return $this;   }   /**    *    * 回复微信服务器, 此函数支持链式操作    * @example $this->text('msg tips')->reply();    * @param string $msg 要发送的信息, 默认取$this->_msg    * @param bool $return 是否返回信息而不抛出到浏览器 默认:否    */   public function reply($msg=array(),$return = false)   {     if (empty($msg))        $msg = $this->_msg;     $xmldata= $this->xml_encode($msg);     $this->log($xmldata);     if ($return)       return $xmldata;     else       echo $xmldata;   }    /**    * GET 请求    * @param string $url    */   private function http_get($url){     $oCurl = curl_init();     if(stripos($url,"https://")!==FALSE){       curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);       curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, FALSE);     }     curl_setopt($oCurl, CURLOPT_URL, $url);     curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1 );     $sContent = curl_exec($oCurl);     $aStatus = curl_getinfo($oCurl);     curl_close($oCurl);     if(intval($aStatus["http_code"])==200){       return $sContent;     }else{       return false;     }   }   /**    * POST 请求    * @param string $url    * @param array $param    * @return string content    */   private function http_post($url,$param){     $oCurl = curl_init();     if(stripos($url,"https://")!==FALSE){       curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);       curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, false);     }     if (is_string($param)) {       $strPOST = $param;     } else {       $aPOST = array();       foreach($param as $key=>$val){         $aPOST[] = $key."=".urlencode($val);       }       $strPOST = join("&", $aPOST);     }     curl_setopt($oCurl, CURLOPT_URL, $url);     curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1 );     curl_setopt($oCurl, CURLOPT_POST,true);     curl_setopt($oCurl, CURLOPT_POSTFIELDS,$strPOST);     $sContent = curl_exec($oCurl);     $aStatus = curl_getinfo($oCurl);     curl_close($oCurl);     if(intval($aStatus["http_code"])==200){       return $sContent;     }else{       return false;     }   }   /**    * 通用auth验证方法，暂时仅用于菜单更新操作    * @param string $appid    * @param string $appsecret    */   public function checkAuth($appid='',$appsecret=''){     if (!$appid || !$appsecret) {       $appid = $this->appid;       $appsecret = $this->appsecret;     }     //TODO: get the cache access_token     $result = $this->http_get(self::API_URL_PREFIX.self::AUTH_URL.'appid='.$appid.'&secret='.$appsecret);     if ($result)     {       $json = json_decode($result,true);       if (!$json || isset($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       $this->access_token = $json['access_token'];       $expire = $json['expires_in'] ? intval($json['expires_in'])-100 : 3600;       //TODO: cache access_token       return $this->access_token;     }     return false;   }   /**    * 删除验证数据    * @param string $appid    */   public function resetAuth($appid=''){     $this->access_token = '';     //TODO: remove cache     return true;   }   /**    * 微信api不支持中文转义的json结构    * @param array $arr    */   static function json_encode($arr) {     $parts = array ();     $is_list = false;     //Find out if the given array is a numerical array     $keys = array_keys ( $arr );     $max_length = count ( $arr ) - 1;     if (($keys [0] === 0) && ($keys [$max_length] === $max_length )) { //See if the first key is 0 and last key is length - 1       $is_list = true;       for($i = 0; $i < count ( $keys ); $i ++) { //See if each key correspondes to its position         if ($i != $keys [$i]) { //A key fails at position check.           $is_list = false; //It is an associative array.           break;         }       }     }     foreach ( $arr as $key => $value ) {       if (is_array ( $value )) { //Custom handling for arrays         if ($is_list)           $parts [] = self::json_encode ( $value ); /* :RECURSION: */         else           $parts [] = '"' . $key . '":' . self::json_encode ( $value ); /* :RECURSION: */       } else {         $str = '';         if (! $is_list)           $str = '"' . $key . '":';         //Custom handling for multiple data types         if (is_numeric ( $value ) && $value<2000000000)           $str .= $value; //Numbers         elseif ($value === false)         $str .= 'false'; //The booleans         elseif ($value === true)         $str .= 'true';         else           $str .= '"' . addslashes ( $value ) . '"'; //All other things         // :TODO: Is there any more datatype we should be in the lookout for? (Object?)         $parts [] = $str;       }     }     $json = implode ( ',', $parts );     if ($is_list)       return '[' . $json . ']'; //Return numerical JSON     return '{' . $json . '}'; //Return associative JSON   }   /**    * 创建菜单    * @param array $data 菜单数组数据    * example:    {    "button":[    {    "type":"click",    "name":"今日歌曲",    "key":"MENU_KEY_MUSIC"    },    {    "type":"view",    "name":"歌手简介",    "url":"http://www.qq.com/"    },    {    "name":"菜单",    "sub_button":[    {    "type":"click",    "name":"hello word",    "key":"MENU_KEY_MENU"    },    {    "type":"click",    "name":"赞一下我们",    "key":"MENU_KEY_GOOD"    }]    }]    }    */   public function createMenu($data){     if (!$this->access_token && !$this->checkAuth()) return false;     $result = $this->http_post(self::API_URL_PREFIX.self::MENU_CREATE_URL.'access_token='.$this->access_token,self::json_encode($data));     if ($result)     {       $json = json_decode($result,true);       if (!$json || !empty($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       return true;     }     return false;   }   /**    * 获取菜单    * @return array('menu'=>array(....s))    */   public function getMenu(){     if (!$this->access_token && !$this->checkAuth()) return false;     $result = $this->http_get(self::API_URL_PREFIX.self::MENU_GET_URL.'access_token='.$this->access_token);     if ($result)     {       $json = json_decode($result,true);       if (!$json || isset($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       return $json;     }     return false;   }   /**    * 删除菜单    * @return boolean    */   public function deleteMenu(){     if (!$this->access_token && !$this->checkAuth()) return false;     $result = $this->http_get(self::API_URL_PREFIX.self::MENU_DELETE_URL.'access_token='.$this->access_token);     if ($result)     {       $json = json_decode($result,true);       if (!$json || !empty($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       return true;     }     return false;   }   /**    * 根据媒体文件ID获取媒体文件    * @param string $media_id 媒体文件id    * @return raw data    */   public function getMedia($media_id){     if (!$this->access_token && !$this->checkAuth()) return false;     $result = $this->http_get(self::API_URL_PREFIX.self::MEDIA_GET_URL.'access_token='.$this->access_token.'&media_id='.$media_id);     if ($result)     {       $json = json_decode($result,true);       if (isset($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       return $json;     }     return false;   }     /**    * 创建二维码ticket    * @param int $scene_id 自定义追踪id    * @param int $type 0:临时二维码；1:永久二维码(此时expire参数无效)    * @param int $expire 临时二维码有效期，最大为1800秒    * @return array('ticket'=>'qrcode字串','expire_seconds'=>1800)    */   public function getQRCode($scene_id,$type=0,$expire=1800){     if (!$this->access_token && !$this->checkAuth()) return false;     $data = array(       'action_name'=>$type?"QR_LIMIT_SCENE":"QR_SCENE",       'expire_seconds'=>$expire,       'action_info'=>array('scene'=>array('scene_id'=>$scene_id))     );     if ($type == 1) {       unset($data['expire_seconds']);     }     $result = $this->http_post(self::API_URL_PREFIX.self::QRCODE_CREATE_URL.'access_token='.$this->access_token,self::json_encode($data));     if ($result)     {       $json = json_decode($result,true);       if (!$json || !empty($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       return $json;     }     return false;   }   /**    * 获取二维码图片    * @param string $ticket 传入由getQRCode方法生成的ticket参数    * @return string url 返回http地址    */   public function getQRUrl($ticket) {     return self::QRCODE_IMG_URL.$ticket;   }   /**    * 批量获取关注用户列表    * @param unknown $next_openid    */   public function getUserList($next_openid=''){     if (!$this->access_token && !$this->checkAuth()) return false;     $result = $this->http_get(self::API_URL_PREFIX.self::USER_GET_URL.'access_token='.$this->access_token.'&next_openid='.$next_openid);     if ($result)     {       $json = json_decode($result,true);       if (isset($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       return $json;     }     return false;   }   /**    * 获取关注者详细信息    * @param string $openid    * @return array    */   public function getUserInfo($openid){     if (!$this->access_token && !$this->checkAuth()) return false;     $result = $this->http_get(self::API_URL_PREFIX.self::USER_INFO_URL.'access_token='.$this->access_token.'&openid='.$openid);     if ($result)     {       $json = json_decode($result,true);       if (isset($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       return $json;     }     return false;   }   /**    * 获取用户分组列表    * @return boolean|array    */   public function getGroup(){     if (!$this->access_token && !$this->checkAuth()) return false;     $result = $this->http_get(self::API_URL_PREFIX.self::GROUP_GET_URL.'access_token='.$this->access_token);     if ($result)     {       $json = json_decode($result,true);       if (isset($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       return $json;     }     return false;   }   /**    * 新增自定分组    * @param string $name 分组名称    * @return boolean|array    */   public function createGroup($name){     if (!$this->access_token && !$this->checkAuth()) return false;     $data = array(         'group'=>array('name'=>$name)     );     $result = $this->http_post(self::API_URL_PREFIX.self::GROUP_CREATE_URL.'access_token='.$this->access_token,self::json_encode($data));     if ($result)     {       $json = json_decode($result,true);       if (!$json || !empty($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       return $json;     }     return false;   }   /**    * 更改分组名称    * @param int $groupid 分组id    * @param string $name 分组名称    * @return boolean|array    */   public function updateGroup($groupid,$name){     if (!$this->access_token && !$this->checkAuth()) return false;     $data = array(         'group'=>array('id'=>$groupid,'name'=>$name)     );     $result = $this->http_post(self::API_URL_PREFIX.self::GROUP_UPDATE_URL.'access_token='.$this->access_token,self::json_encode($data));     if ($result)     {       $json = json_decode($result,true);       if (!$json || !empty($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       return $json;     }     return false;   }   /**    * 移动用户分组    * @param int $groupid 分组id    * @param string $openid 用户openid    * @return boolean|array    */   public function updateGroupMembers($groupid,$openid){     if (!$this->access_token && !$this->checkAuth()) return false;     $data = array(         'openid'=>$openid,         'to_groupid'=>$groupid     );     $result = $this->http_post(self::API_URL_PREFIX.self::GROUP_MEMBER_UPDATE_URL.'access_token='.$this->access_token,self::json_encode($data));     if ($result)     {       $json = json_decode($result,true);       if (!$json || !empty($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       return $json;     }     return false;   }   /**    * 发送客服消息    * @param array $data 消息结构{"touser":"OPENID","msgtype":"news","news":{...}}    * @return boolean|array    */   public function sendCustomMessage($data){     if (!$this->access_token && !$this->checkAuth()) return false;     $result = $this->http_post(self::API_URL_PREFIX.self::CUSTOM_SEND_URL.'access_token='.$this->access_token,self::json_encode($data));     if ($result)     {       $json = json_decode($result,true);       if (!$json || !empty($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       return $json;     }     return false;   }   /**    * oauth 授权跳转接口    * @param string $callback 回调URI    * @return string    */   public function getOauthRedirect($callback,$state='',$scope='snsapi_userinfo'){     return self::OAUTH_PREFIX.self::OAUTH_AUTHORIZE_URL.'appid='.$this->appid.'&redirect_uri='.urlencode($callback).'&response_type=code&scope='.$scope.'&state='.$state.'#wechat_redirect';   }   /*    * 通过code获取Access Token    * @return array {access_token,expires_in,refresh_token,openid,scope}    */   public function getOauthAccessToken(){     $code = isset($_GET['code'])?$_GET['code']:'';     if (!$code) return false;     $result = $this->http_get(self::OAUTH_TOKEN_PREFIX.self::OAUTH_TOKEN_URL.'appid='.$this->appid.'&secret='.$this->appsecret.'&code='.$code.'&grant_type=authorization_code');     if ($result)     {       $json = json_decode($result,true);       if (!$json || !empty($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       $this->user_token = $json['access_token'];       return $json;     }     return false;   }   /**    * 刷新access token并续期    * @param string $refresh_token    * @return boolean|mixed    */   public function getOauthRefreshToken($refresh_token){     $result = $this->http_get(self::OAUTH_TOKEN_PREFIX.self::OAUTH_REFRESH_URL.'appid='.$this->appid.'&grant_type=refresh_token&refresh_token='.$refresh_token);     if ($result)     {       $json = json_decode($result,true);       if (!$json || !empty($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       $this->user_token = $json['access_token'];       return $json;     }     return false;   }   /**    * 获取授权后的用户资料    * @param string $access_token    * @param string $openid    * @return array {openid,nickname,sex,province,city,country,headimgurl,privilege}    */   public function getOauthUserinfo($access_token,$openid){     $result = $this->http_get(self::OAUTH_USERINFO_URL.'access_token='.$access_token.'&openid='.$openid);     if ($result)     {       $json = json_decode($result,true);       if (!$json || !empty($json['errcode'])) {         $this->errCode = $json['errcode'];         $this->errMsg = $json['errmsg'];         return false;       }       return $json;     }     return false;   } }