<?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;
  }
 }
}
?>