<?php 
//define your token 
define("TOKEN", "");//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->valid();
$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(); 
     /*
       $access_token = $this->get_access_token();//获取access_token 
       var_dump($access_token);
       $this->createmenu($access_token);//创建菜单
        */
       // $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)){ 
            libxml_disable_entity_loader(true);
            //$access_token = $this->get_access_token();//获取access_token 
            //$this->createmenu($access_token);//创建菜单 只需要提交一次即可
            //$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 
            
            $strWelcome = "问题开始！请根据提示回复数字！\n
                回复1:软件咨询\n
                回复2:会员信息查询\n
                回复3:软件购买咨询\n
                ";
            
            if($MsgType=='event'){ 
                $MsgEvent = $postObj->Event;//获取事件类型 
                if ($MsgEvent=='subscribe') {//订阅事件 
                    $arr[] = "欢迎归来！在这里我们一起见证 奇点妙思,思想从这里重新出发！服务从此刻起飞！"; 
                    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 if($MsgType=='text')
            {
                if(!empty( $this->keyword ))
                    {
                        $type = "text";
                        if($this->keyword=="1")
                            $arr[] = "进入网站-><a href='http://www.100home.net'>点我出发</a>";    
                        else if($this->keyword=="2")
                            $arr[] = "请在软件的登陆界面中的”查询“中查询!";    
                        else if($this->keyword=="3")
                        {
                            $arr[] ="请联系QQ 116327160 客服为你服务！";
                        }
                        else
                        {
                            $arr[] = $strWelcome;    
                        }
                        echo $this->make_xml("text",$arr);
                    }else{
                        echo "put someing!";
                    }
            }
        }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;
        $dataSrc = $this->curl_get_contents($url);
        $data = json_decode($dataSrc,true); 
        if($data['access_token']){ 
        {
            return $data['access_token']; 
        }
        }else{ 
            return "获取access_token错误"; 
        } 
    } 
    /*比file_get_contents稳定的多！$timeout为超时时间，单位是秒，默认为1s。*/ 
    private function curl_get_contents($url,$timeout=1) { 
        $curlHandle = curl_init(); 
        curl_setopt( $curlHandle, CURLOPT_URL, $url ); 
        curl_setopt( $curlHandle, CURLOPT_SSL_VERIFYPEER, FALSE); 
        curl_setopt( $curlHandle, CURLOPT_SSL_VERIFYHOST, FALSE); 
        curl_setopt( $curlHandle, CURLOPT_RETURNTRANSFER, 1 ); 
        curl_setopt( $curlHandle, CURLOPT_TIMEOUT, $timeout ); 
        $result = curl_exec( $curlHandle ); 
        curl_close( $curlHandle ); 
        return $result; 
    } 

    /** 
     * 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;
        $url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=".$access_token;
       $jsonmenu = '{
              "button":[
              {
                    "name":"微生活",
                   "sub_button":[
                    {
                       "type":"view",
                       "name":"微社区",
                       "url":"http://m.wsq.qq.com/264524583"
                    },
                    {
                       "type":"view",
                       "name":"微游戏",
                       "url":"http://www.icallme.cn/callme/game.do?g=qidian_ms"
                    }
                    ]
         
         
               },
               {
                   "name":"精彩直达",
                   "sub_button":[
                    {
                       "type":"view",
                       "name":"往期回顾",
                       "url":"http://mp.weixin.qq.com/mp/getmasssendmsg?__biz=MzAxMDMzODUxMw==&scene=18#wechat_webview_type=1&wechat_redirect"
                    },
                    {
                       "type":"view",
                       "name":"天气详报",
                       "url":"http://m.wsq.qq.com/app?sId=264524583&appId=wsqa1591378601045"
                    }
                    ]
         
         
               },
               {
                   "name":"微店",
                   "type":"view",
                   "url":"http://weidian.com/?userid=254914516"
               }
               ]
         }';
         $result = $this->https_request($url,$jsonmenu);
        //var_dump($result);
    } 
    
    private function https_request($url,$data = null)
    {
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
        if (!empty($data)){
            curl_setopt($curl, CURLOPT_POST, 1);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
        }
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        $output = curl_exec($curl);
        curl_close($curl);
        return $output;
    }
    /** 
     * 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() 
    { 
        if (!defined("TOKEN")) {
            throw new Exception('TOKEN is not defined!');
        }
        $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; 
        } 
    } 
} 
?>