分享一个微信公众号开发封装类

<?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
 *       'partnerid'=>'88888888', //财付通商户身份标识
 *       'partnerkey'=>'', //财付通商户权限密钥Key
 *       'paysignkey'=>'' //商户签名密钥Key
 *    );
 *  $weObj = new Wechat($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 SHORT_URL='/shorturl?';
   const USER_GET_URL='/user/get?';
   const USER_INFO_URL='/user/info?';
   const USER_UPDATEREMARK_URL='/user/info/updateremark?';    
   const GROUP_GET_URL='/groups/get?';
   const USER_GROUP_URL='/groups/getid?';
   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 MEDIA_UPLOADNEWS_URL = '/media/uploadnews?';
   const MASS_SEND_URL = '/message/mass/send?';
   const TEMPLATE_SEND_URL = '/message/template/send?';
   const MASS_SEND_GROUP_URL = '/message/mass/sendall?';
   const MASS_DELETE_URL = '/message/mass/delete?';
   const UPLOAD_MEDIA_URL = 'http://file.api.weixin.qq.com/cgi-bin';
   const MEDIA_UPLOAD = '/media/upload?';
   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?';
   const OAUTH_AUTH_URL = 'https://api.weixin.qq.com/sns/auth?';
   const PAY_DELIVERNOTIFY = 'https://api.weixin.qq.com/pay/delivernotify?';
   const PAY_ORDERQUERY = 'https://api.weixin.qq.com/pay/orderquery?';
   const CUSTOM_SERVICE_GET_RECORD = '/customservice/getrecord?';
   const CUSTOM_SERVICE_GET_KFLIST = '/customservice/getkflist?';
   const CUSTOM_SERVICE_GET_ONLINEKFLIST = '/customservice/getkflist?';
   
   private $token;
   private $appid;
   private $appsecret;
   private $access_token;
   private $user_token;
   private $partnerid;
   private $partnerkey;
   private $paysignkey;
   private $_msg;
   private $_funcflag = false;
   private $_receive;
   private $_text_filter = true;
   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']:'';
      $this->partnerid = isset($options['partnerid'])?$options['partnerid']:'';
      $this->partnerkey = isset($options['partnerkey'])?$options['partnerkey']:'';
      $this->paysignkey = isset($options['paysignkey'])?$options['paysignkey']:'';
      $this->debug = isset($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;
   }
   
   /**
    * 获取上报地理位置事件
    */
   public function getRevEventGeo(){
           if (isset($this->_receive['Latitude'])){
               return array(
            'x'=>$this->_receive['Latitude'],
            'y'=>$this->_receive['Longitude'],
            'precision'=>$this->_receive['Precision'],
         );
      } else
         return false;
   }
   
   /**
    * 获取接收事件推送
    */
   public function getRevEvent(){
      if (isset($this->_receive['Event'])){
         $array['event'] = $this->_receive['Event'];
      }
      if (isset($this->_receive['EventKey'])){
         $array['key'] = $this->_receive['EventKey'];
      }
      
      if (isset($array) && count($array) > 0) {
         return $array;
      } else {
         return false;
      } 
   }
   
   /**
    * 获取接收语音推送
    */
   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;
      }
   }
   
   /**
   * 获取模板消息ID
   * 经过验证，这个和普通的消息MsgId不一样
   */
   public function getRevTplMsgID(){
      if (isset($this->_receive['MsgID'])){
         return $this->_receive['MsgID'];
      } else 
         return false;
   }
   
   /**
   * 获取模板消息发送状态
   */
   public function getRevStatus(){
      if (isset($this->_receive['Status'])){
         return $this->_receive['Status'];
      } 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;
   }
   
   /**
    * 过滤文字回复
换行符
    * @param string $text
    * @return string|mixed
    */
   private function _auto_text_filter($text) {
      if (!$this->_text_filter) return $text;
      return str_replace("
", "
", $text);
   }
   
   /**
    * 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'=>$this->_auto_text_filter($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)
   {
      $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=''){
      if (!$appid) $appid = $this->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;
   }

   /**
    * 上传多媒体文件
    * 注意：数组的键值任意，但文件名前必须加@，使用单引号以避免本地路径斜杠被转义
    * @param array $data {"media":'@Pathfilename.jpg'}
    * @param type 类型：图片:image 语音:voice 视频:video 缩略图:thumb
    * @return boolean|array
    */
   public function uploadMedia($data, $type){
      if (!$this->access_token && !$this->checkAuth()) return false;
      $result = $this->http_post(self::UPLOAD_MEDIA_URL.self::MEDIA_UPLOAD.'access_token='.$this->access_token.'&type='.$type,$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;
   }
   
   /**
    * 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 = $this->http_get(self::UPLOAD_MEDIA_URL.self::MEDIA_GET_URL.'access_token='.$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;
   }

   /**
    * 上传图文消息素材
    * @param array $data 消息结构{"articles":[{...}]}
    * @return boolean|array
    */
   public function uploadArticles($data){
      if (!$this->access_token && !$this->checkAuth()) return false;
      $result = $this->http_post(self::API_URL_PREFIX.self::MEDIA_UPLOADNEWS_URL.'access_token='.$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;
   }
   
   /**
    * 高级群发消息, 根据OpenID列表群发图文消息
    * @param array $data 消息结构{ "touser":[ "OPENID1", "OPENID2" ], "mpnews":{ "media_id":"123dsdajkasd231jhksad" }, "msgtype":"mpnews" }
    * @return boolean|array
    */
   public function sendMassMessage($data){
      if (!$this->access_token && !$this->checkAuth()) return false;
      $result = $this->http_post(self::API_URL_PREFIX.self::MASS_SEND_URL.'access_token='.$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;
   }
   
   /**
    * 高级群发消息, 根据群组id群发图文消息
    * @param array $data 消息结构{ "filter":[ "group_id": "2" ], "mpnews":{ "media_id":"123dsdajkasd231jhksad" }, "msgtype":"mpnews" }
    * @return boolean|array
    */
   public function sendGroupMassMessage($data){
      if (!$this->access_token && !$this->checkAuth()) return false;
      $result = $this->http_post(self::API_URL_PREFIX.self::MASS_SEND_GROUP_URL.'access_token='.$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;
   }
   
   /**
    * 高级群发消息, 删除群发图文消息
    * @param int $msg_id 消息id
    * @return boolean|array
    */
   public function deleteMassMessage($msg_id){
      if (!$this->access_token && !$this->checkAuth()) return false;
      $result = $this->http_post(self::API_URL_PREFIX.self::MASS_DELETE_URL.'access_token='.$this->access_token,self::json_encode(array('msg_id'=>$msg_id)));
      if ($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;
   }
   
   /**
    * 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 $expire 临时二维码有效期，最大为1800秒
    * @return array('ticket'=>'qrcode字串','expire_seconds'=>1800,'url'=>'二维码图片解析后的地址')
    */
   public function getQRCode($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;
   }
   
   /**
    * 长链接转短链接接口
    * @param string $long_url 传入要转换的长url
    * @return boolean|string url 成功则返回转换后的短url
    */
   public function getShortUrl($long_url){
       if (!$this->access_token && !$this->checkAuth()) return false;
       $data = array(
            'action'=>'long2short',
            'long_url'=>$long_url
       );
       $result = $this->http_post(self::API_URL_PREFIX.self::SHORT_URL.'access_token='.$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['short_url'];
       }
       return false;
   }

   /**
    * 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;
   }

   /**
    * 设置用户备注名
    * @param string $openid
    * @param string $remark 备注名
    * @return boolean|array
    */
   public function updateUserRemark($openid,$remark){
       if (!$this->access_token && !$this->checkAuth()) return false;
       $data = array(
         'openid'=>$openid,
         'remark'=>$remark
       );
       $result = $this->http_post(self::API_URL_PREFIX.self::USER_UPDATEREMARK_URL.'access_token='.$this->access_token,$data);
       if ($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;
   }
   
   /**
    * 获取用户所在分组
    * @param string $openid
    * @return boolean|int 成功则返回用户分组id
    */
   public function getUserGroup($openid){
       if (!$this->access_token && !$this->checkAuth()) return false;
       $data = array(
               'openid'=>$openid
       );
       $result = $this->http_post(self::API_URL_PREFIX.self::USER_GROUP_URL.'access_token='.$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 = $json['errmsg'];
               return false;
           } else 
                if (isset($json['groupid'])) return $json['groupid'];
       }
       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;
   }

   /**
    * 检验授权凭证是否有效
    * @param string $access_token
    * @param string $openid
    * @return boolean 是否有效
    */
   public function getOauthAuth($access_token,$openid){
       $result = $this->http_get(self::OAUTH_AUTH_URL.'access_token='.$access_token.'&openid='.$openid);
       if ($result)
       {
           $json = json_decode($result,true);
           if (!$json || !empty($json['errcode'])) {
               $this->errCode = $json['errcode'];
               $this->errMsg = $json['errmsg'];
               return false;
           } else
             if ($json['errcode']==0) return true;
       }
       return false;
   }
   
   /**
    * 获取签名
    * @param array $arrdata 签名数组
    * @param string $method 签名方法
    * @return boolean|string 签名值
    */
   public function getSignature($arrdata,$method="sha1") {
      if (!function_exists($method)) return false;
      ksort($arrdata);
      $paramstring = "";
      foreach($arrdata as $key => $value)
      {
         if(strlen($paramstring) == 0)
            $paramstring .= $key . "=" . $value;
         else
            $paramstring .= "&" . $key . "=" . $value;
      }
      $paySign = $method($paramstring);
      return $paySign;
   }
   
   /**
    * 生成随机字串
    * @param number $length 长度，默认为16，最长为32字节
    * @return string
    */
   public function generateNonceStr($length=16){
      // 密码字符集，可任意添加你需要的字符
      $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
      $str = "";
      for($i = 0; $i < $length; $i++)
      {
         $str .= $chars[mt_rand(0, strlen($chars) - 1)];
      }
      return $str;
   }
   
   /**
    * 生成订单package字符串
    * @param string $out_trade_no 必填，商户系统内部的订单号,32个字符内,确保在商户系统唯一
    * @param string $body 必填，商品描述,128 字节以下
    * @param int $total_fee 必填，订单总金额,单位为分
    * @param string $notify_url 必填，支付完成通知回调接口，255 字节以内
    * @param string $spbill_create_ip 必填，用户终端IP，IPV4字串，15字节内
    * @param int $fee_type 必填，现金支付币种，默认1:人民币
    * @param string $bank_type 必填，银行通道类型,默认WX
    * @param string $input_charset 必填，传入参数字符编码，默认UTF-8，取值有UTF-8和GBK
    * @param string $time_start 交易起始时间,订单生成时间,格式yyyyMMddHHmmss
    * @param string $time_expire 交易结束时间,也是订单失效时间
    * @param int $transport_fee 物流费用,单位为分
    * @param int $product_fee 商品费用,单位为分,必须保证 transport_fee + product_fee=total_fee 
    * @param string $goods_tag 商品标记,优惠券时可能用到
    * @param string $attach 附加数据，notify接口原样返回
    * @return string
    */
   public function createPackage($out_trade_no,$body,$total_fee,$notify_url,$spbill_create_ip,$fee_type=1,$bank_type="WX",$input_charset="UTF-8",$time_start="",$time_expire="",$transport_fee="",$product_fee="",$goods_tag="",$attach=""){
         $arrdata = array("bank_type" => $bank_type, "body" => $body, "partner" => $this->partnerid, "out_trade_no" => $out_trade_no, "total_fee" => $total_fee, "fee_type" => $fee_type, "notify_url" => $notify_url, "spbill_create_ip" => $spbill_create_ip, "input_charset" => $input_charset);
         if ($time_start)  $arrdata['time_start'] = $time_start;
         if ($time_expire)  $arrdata['time_expire'] = $time_expire;
         if ($transport_fee)  $arrdata['transport_fee'] = $transport_fee;
         if ($product_fee)  $arrdata['product_fee'] = $product_fee;
         if ($goods_tag)  $arrdata['goods_tag'] = $goods_tag;
         if ($attach)  $arrdata['attach'] = $attach;
         ksort($arrdata);
         $paramstring = "";
         foreach($arrdata as $key => $value)
         {
         if(strlen($paramstring) == 0)
            $paramstring .= $key . "=" . $value;
            else
            $paramstring .= "&" . $key . "=" . $value;
         }
         $stringSignTemp = $paramstring . "&key=" . $this->partnerkey;
         $signValue = strtoupper(md5($stringSignTemp));
         $package = http_build_query($arrdata) . "&sign=" . $signValue;
         return $package;
   }
   
   /**
    * 支付签名(paySign)生成方法
    * @param string $package 订单详情字串
    * @param string $timeStamp 当前时间戳（需与JS输出的一致）
    * @param string $nonceStr 随机串（需与JS输出的一致）
    * @return string 返回签名字串
    */
   public function getPaySign($package, $timeStamp, $nonceStr){
      $arrdata = array("appid" => $this->appid, "timestamp" => $timeStamp, "noncestr" => $nonceStr, "package" => $package, "appkey" => $this->paysignkey);
      $paySign = $this->getSignature($arrdata);
      return $paySign;
   }
   
   /**
    * 回调通知签名验证
    * @param array $orderxml 返回的orderXml的数组表示，留空则自动从post数据获取
    * @return boolean
    */
   public function checkOrderSignature($orderxml=''){
      if (!$orderxml) {
         $postStr = file_get_contents("php://input");
         if (!empty($postStr)) {
            $orderxml = (array)simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
         } else return false;
      }
      $arrdata = array('appid'=>$orderxml['AppId'],'appkey'=>$this->paysignkey,'timestamp'=>$orderxml['TimeStamp'],'noncestr'=>$orderxml['NonceStr'],'openid'=>$orderxml['OpenId'],'issubscribe'=>$orderxml['IsSubscribe']);
      $paySign = $this->getSignature($arrdata);
      if ($paySign!=$orderxml['AppSignature']) return false;
      return true;
   }
   
   /**
    * 发货通知
    * @param string $openid 用户open_id
    * @param string $transid 交易单号
    * @param string $out_trade_no 第三方订单号
    * @param int $status 0:发货失败；1:已发货
    * @param string $msg 失败原因
    * @return boolean|array
    */
   public function sendPayDeliverNotify($openid,$transid,$out_trade_no,$status=1,$msg='ok'){
      if (!$this->access_token && !$this->checkAuth()) return false;
      $postdata = array(
            "appid"=>$this->appid,
            "appkey"=>$this->paysignkey,
            "openid"=>$openid,
            "transid"=>strval($transid),
            "out_trade_no"=>strval($out_trade_no),
            "deliver_timestamp"=>strval(time()),
            "deliver_status"=>strval($status),
            "deliver_msg"=>$msg,
      );
      $postdata['app_signature'] = $this->getSignature($postdata);
      $postdata['sign_method'] = 'sha1';
      unset($postdata['appkey']);
      $result = $this->http_post(self::PAY_DELIVERNOTIFY.'access_token='.$this->access_token,self::json_encode($postdata));
      if ($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;
   }
   
   /**
    * 查询订单信息
    * @param string $out_trade_no 订单号
    * @return boolean|array
    */
   public function getPayOrder($out_trade_no) {
      if (!$this->access_token && !$this->checkAuth()) return false;
      $sign = strtoupper(md5("out_trade_no=$out_trade_no&partner={$this->partnerid}&key={$this->partnerkey}"));
      $postdata = array(
            "appid"=>$this->appid,
            "appkey"=>$this->paysignkey,
            "package"=>"out_trade_no=$out_trade_no&partner={$this->partnerid}&sign=$sign",
            "timestamp"=>strval(time()),
      );
      $postdata['app_signature'] = $this->getSignature($postdata);
      $postdata['sign_method'] = 'sha1';
      unset($postdata['appkey']);
      $result = $this->http_post(self::PAY_ORDERQUERY.'access_token='.$this->access_token,self::json_encode($postdata));
      if ($result)
      {
         $json = json_decode($result,true);
         if (!$json || !empty($json['errcode'])) {
            $this->errCode = $json['errcode'];
            $this->errMsg = $json['errmsg'].json_encode($postdata);
            return false;
         }
         return $json["order_info"];
      }
      return false;
   }
   
   /**
    * 获取收货地址JS的签名
    * @tutorial 参考weixin.js脚本的WeixinJS.editAddress方法调用
    * @param string $appId
    * @param string $url
    * @param int $timeStamp
    * @param string $nonceStr
    * @param string $user_token
    * @return Ambigous <boolean, string>
    */
   public function getAddrSign($url, $timeStamp, $nonceStr, $user_token=''){
      if (!$user_token) $user_token = $this->user_token;
      if (!$user_token) {
         $this->errMsg = 'no user access token found!';
         return false;
      }
      $url = htmlspecialchars_decode($url);
      $arrdata = array(
            'appid'=>$this->appid,
            'url'=>$url,
            'timestamp'=>strval($timeStamp),
            'noncestr'=>$nonceStr,
            'accesstoken'=>$user_token
      );
      return $this->getSignature($arrdata);
   }
   
   /**
    * 发送模板消息
    * @param array $data 消息结构
    * ｛
         "touser":"OPENID",
         "template_id":"ngqIpbwh8bUfcSsECmogfXcV14J0tQlEpBO27izEYtY",
         "url":"http://weixin.qq.com/download",
         "topcolor":"#FF0000",
         "data":{
            "参数名1": {
               "value":"参数",
               "color":"#173177"   //参数颜色
               },
            "Date":{
               "value":"06月07日 19时24分",
               "color":"#173177"
               },
            "CardNumber":{
               "value":"0426",
               "color":"#173177"
               },
            "Type":{
               "value":"消费",
               "color":"#173177"
               }
         }
      }
    * @return boolean|array
    */
   public function sendTemplateMessage($data){
      if (!$this->access_token && !$this->checkAuth()) return false;
      $result = $this->http_post(self::API_URL_PREFIX.self::TEMPLATE_SEND_URL.'access_token='.$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;
   }
   
   /**
    * 获取多客服会话记录
    * @param array $data 数据结构{"starttime":123456789,"endtime":987654321,"openid":"OPENID","pagesize":10,"pageindex":1,}
    * @return boolean|array
    */
   public function getCustomServiceMessage($data){
      if (!$this->access_token && !$this->checkAuth()) return false;
      $result = $this->http_post(self::API_URL_PREFIX.self::CUSTOM_SERVICE_GET_RECORD.'access_token='.$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;
   }

   /**
    * 转发多客服消息
    * Examle: $obj->transfer_customer_service($customer_account)->reply();
    * @param string $customer_account 转发到指定客服帐号：test1@test
    */
   public function transfer_customer_service($customer_account = '')
   {
      $msg = array(
         'ToUserName' => $this->getRevFrom(),
         'FromUserName'=>$this->getRevTo(),
         'CreateTime'=>time(),
         'MsgType'=>'transfer_customer_service',
      );
      if (!$customer_account) {
         $msg['TransInfo'] = array('KfAccount'=>$customer_account);
      }
      $this->Message($msg);
      return $this;
   }
   
   /**
    * 获取多客服客服基本信息
    * 
    * @return boolean|array
    */
   public function getCustomServiceKFlist(){
      if (!$this->access_token && !$this->checkAuth()) return false;
      $result = $this->http_get(self::API_URL_PREFIX.self::CUSTOM_SERVICE_GET_KFLIST.'access_token='.$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 $json;
      }
      return false;
   }
   
   /**
    * 获取多客服在线客服接待信息
    * 
    * @return boolean|array {
    "kf_online_list": [
    {
    "kf_account": "test1@test",   //客服账号@微信别名
    "status": 1,        //客服在线状态 1：pc在线，2：手机在线,若pc和手机同时在线则为 1+2=3
    "kf_id": "1001",     //客服工号
    "auto_accept": 0,    //客服设置的最大自动接入数
    "accepted_case": 1       //客服当前正在接待的会话数
    }
    ]
    }
    */
   public function getCustomServiceOnlineKFlist(){
      if (!$this->access_token && !$this->checkAuth()) return false;
      $result = $this->http_get(self::API_URL_PREFIX.self::CUSTOM_SERVICE_GET_ONLINEKFLIST.'access_token='.$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 $json;
      }
      return false;
   }
}

原文地址：http://www.php20.cn/article/81