<?php
//define your token
define(\"TOKEN\", \"chenxiang\");//改成自己的TOKEN
define(\'APP_ID\', \'\');//改成自己的APPID
define(\'APP_SECRET\', \'\');//改成自己的APPSECRET
 
$wechatObj = new wechatCallbackapiTest(APP_ID,APP_SECRET);
$wechatObj->Run();
 
class wechatCallbackapiTest
{
  private $fromUsername;
  private $toUsername;
  private $times;
  private $keyword;
  private $app_id;
  private $app_secret;
 
 
  public function __construct($appid,$appsecret)
  {
# code...
    $this->app_id = $appid;
    $this->app_secret = $appsecret;
  }
  public function valid()
  {
    $echoStr = $_GET[\"echostr\"];
    if($this->checkSignature()){
      echo $echoStr;
      exit;
    }
  }
  /**
   * 运行程序
   * @param string $value [description]
   */
  public function Run()
  {
    $this->responseMsg();
    $arr[]= \"您好，这是自动回复，我现在不在，有事请留言，我会尽快回复你的^_^\";
    echo $this->make_xml(\"text\",$arr);
  }
  public function responseMsg()
  {  
    $postStr = $GLOBALS[\"HTTP_RAW_POST_DATA\"];//返回回复数据
    if (!empty($postStr)){
      $access_token = $this->get_access_token();//获取access_token
      $this->createmenu($access_token);//创建菜单
      //$this->delmenu($access_token);//删除菜单
      $postObj = simplexml_load_string($postStr, \'SimpleXMLElement\', LIBXML_NOCDATA);
      $this->fromUsername = $postObj->FromUserName;//发送消息方ID
      $this->toUsername = $postObj->ToUserName;//接收消息方ID
      $this->keyword = trim($postObj->Content);//用户发送的消息
      $this->times = time();//发送时间
      $MsgType = $postObj->MsgType;//消息类型
      if($MsgType==\'event\'){
        $MsgEvent = $postObj->Event;//获取事件类型
        if ($MsgEvent==\'subscribe\') {//订阅事件
          $arr[] = \"你好，我是xxx，现在我们是好友咯![愉快][玫瑰]\";
          echo $this->make_xml(\"text\",$arr);
          exit;
        }elseif ($MsgEvent==\'CLICK\') {//点击事件
          $EventKey = $postObj->EventKey;//菜单的自定义的key值，可以根据此值判断用户点击了什么内容，从而推送不同信息
          $arr[] = $EventKey;
          echo $this->make_xml(\"text\",$arr);
          exit;
        }
      }
    }else {
      echo \"this a file for weixin API!\";
      exit;
    }
  }
  /**
   * 获取access_token
   */
  private function get_access_token()
  {
    $url = \"https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=\".$this->app_id.\"&secret=\".$this->app_secret;
    $data = json_decode(file_get_contents($url),true);
    if($data[\'access_token\']){
      return $data[\'access_token\'];
    }else{
      return \"获取access_token错误\";
    }
  }
  /**
   * 创建菜单
   * @param $access_token 已获取的ACCESS_TOKEN
   */
  public function createmenu($access_token)
  {
    $url = \"https://api.weixin.qq.com/cgi-bin/menu/create?access_token=\".$access_token;
    $arr = array( 
        \'button\' =>array(
          array(
            \'name\'=>urlencode(\"生活查询\"),
            \'sub_button\'=>array(
              array(
                \'name\'=>urlencode(\"天气查询\"),
                \'type\'=>\'click\',
                \'key\'=>\'VCX_WEATHER\'
                ),
              array(
                \'name\'=>urlencode(\"身份证查询\"),
                \'type\'=>\'click\',
                \'key\'=>\'VCX_IDENT\'
                )
              )
            ),
          array(
            \'name\'=>urlencode(\"轻松娱乐\"),
            \'sub_button\'=>array(
              array(
                \'name\'=>urlencode(\"刮刮乐\"),
                \'type\'=>\'click\',
                \'key\'=>\'VCX_GUAHAPPY\'
                ),
              array(
                \'name\'=>urlencode(\"幸运大转盘\"),
                \'type\'=>\'click\',
                \'key\'=>\'VCX_LUCKPAN\'
                )
              )
            ),
          array(
              \'name\'=>urlencode(\"我的信息\"),
              \'sub_button\'=>array(
                array(
                  \'name\'=>urlencode(\"关于我\"),
                  \'type\'=>\'click\',
                  \'key\'=>\'VCX_ABOUTME\'
                  ),
                array(
                  \'name\'=>urlencode(\"工作信息\"),
                  \'type\'=>\'click\',
                  \'key\'=>\'VCX_JOBINFORMATION\'
                  )
                )
             )
            )
            );
    $jsondata = urldecode(json_encode($arr));
    $ch = curl_init();
    curl_setopt($ch,CURLOPT_URL,$url);
    curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
    curl_setopt($ch,CURLOPT_POST,1);
    curl_setopt($ch,CURLOPT_POSTFIELDS,$jsondata);
    curl_exec($ch);
    curl_close($ch);
  }
  /**
   * 查询菜单
   * @param $access_token 已获取的ACCESS_TOKEN
   */
 
  private function getmenu($access_token)
  {
# code...
    $url = \"https://api.weixin.qq.com/cgi-bin/menu/get?access_token=\".$access_token;
    $data = file_get_contents($url);
    return $data;
  }
  /**
   * 删除菜单
   * @param $access_token 已获取的ACCESS_TOKEN
   */
 
  private function delmenu($access_token)
  {
# code...
    $url = \"https://api.weixin.qq.com/cgi-bin/menu/delete?access_token=\".$access_token;
    $data = json_decode(file_get_contents($url),true);
    if ($data[\'errcode\']==0) {
# code...
      return true;
    }else{
      return false;
    }
  }
 
  /**
   *@param type: text 文本类型, news 图文类型
   *@param value_arr array(内容),array(ID)
   *@param o_arr array(array(标题,介绍,图片,超链接),...小于10条),array(条数,ID)
   */
 
  private function make_xml($type,$value_arr,$o_arr=array(0)){
    //=================xml header============
    $con=\"<xml>
      <ToUserName><![CDATA[{$this->fromUsername}]]></ToUserName>
      <FromUserName><![CDATA[{$this->toUsername}]]></FromUserName>
      <CreateTime>{$this->times}</CreateTime>
      <MsgType><![CDATA[{$type}]]></MsgType>\";
 
    //=================type content============
    switch($type){
 
      case \"text\" : 
        $con.=\"<Content><![CDATA[{$value_arr[0]}]]></Content>
          <FuncFlag>{$o_arr}</FuncFlag>\"; 
          break;
 
      case \"news\" : 
        $con.=\"<ArticleCount>{$o_arr[0]}</ArticleCount>
          <Articles>\";
        foreach($value_arr as $id=>$v){
          if($id>=$o_arr[0]) break; else null; //判断数组数不超过设置数
          $con.=\"<item>
            <Title><![CDATA[{$v[0]}]]></Title> 
            <Description><![CDATA[{$v[1]}]]></Description>
            <PicUrl><![CDATA[{$v[2]}]]></PicUrl>
            <Url><![CDATA[{$v[3]}]]></Url>
            </item>\";
        }
        $con.=\"</Articles>
          <FuncFlag>{$o_arr[1]}</FuncFlag>\"; 
          break;
 
    } //end switch
 
    //=================end return============
    $con.=\"</xml>\";
 
    return $con;
  }
 
 
  private function checkSignature()
  {
    $signature = $_GET[\"signature\"];
    $timestamp = $_GET[\"timestamp\"];
    $nonce = $_GET[\"nonce\"];  
 
    $token = TOKEN;
    $tmpArr = array($token, $timestamp, $nonce);
    sort($tmpArr);
    $tmpStr = implode( $tmpArr );
    $tmpStr = sha1( $tmpStr );
 
    if( $tmpStr == $signature ){
      return true;
    }else{
      return false;
    }
  }
}
?>