<?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; 
        } 
    } 
    /** 
     * 運行程序 
     * @param string $value [description] 
     */ 
    public function Run() 
    { 
        $this->responseMsg(); 
        $arr[]= "您好，這是自動回復，我現在不在，有事請留言，我會盡快回復你的^_^"; 
        echo $this->make_xml("text",$arr); 
    } 
    public function responseMsg() 
    {    
        $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];//返回回復數據 
        if (!emptyempty($postStr)){ 
                $access_token = $this->get_access_token();//獲取access_token 
                $this->createmenu($access_token);//創建菜單 
                //$this->delmenu($access_token);//刪除菜單 
                $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA); 
                $this->fromUsername = $postObj->FromUserName;//發送消息方ID 
                $this->toUsername = $postObj->ToUserName;//接收消息方ID 
                $this->keyword = trim($postObj->Content);//用戶發送的消息 
                $this->times = time();//發送時間 
                $MsgType = $postObj->MsgType;//消息類型 
                if($MsgType=='event'){ 
                    $MsgEvent = $postObj->Event;//獲取事件類型 
                    if ($MsgEvent=='subscribe') {//訂閱事件 
                        $arr[] = "你好，我是xxx，現在我們是好友咯![愉快][玫瑰]"; 
                        echo $this->make_xml("text",$arr); 
                        exit; 
                    }elseif ($MsgEvent=='CLICK') {//點擊事件 
                        $EventKey = $postObj->EventKey;//菜單的自定義的key值，可以根據此值判斷用戶點擊了什么內容，從而推送不同信息 
                        $arr[] = $EventKey; 
                        echo $this->make_xml("text",$arr); 
                        exit; 
                    } 
                } 
        }else { 
            echo "this a file for weixin API!"; 
            exit; 
        } 
    } 
    /** 
     * 獲取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 "獲取access_token錯誤"; 
        } 
    } 
    /** 
     * 創建菜單 
     * @param $access_token 已獲取的ACCESS_TOKEN 
     */ 
    public function createmenu($access_token) 
    { 
        $url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=".$access_token; 
        $arr = array(  
            'button' =>array( 
                array( 
                    'name'=>urlencode("生活查詢"), 
                    'sub_button'=>array( 
                        array( 
                            'name'=>urlencode("天氣查詢"), 
                            'type'=>'click', 
                            'key'=>'VCX_WEATHER' 
                        ), 
                        array( 
                            'name'=>urlencode("身份證查詢"), 
                            'type'=>'click', 
                            'key'=>'VCX_IDENT' 
                        ) 
                    ) 
                ), 
                array( 
                    'name'=>urlencode("輕松娛樂"), 
                    'sub_button'=>array( 
                        array( 
                            'name'=>urlencode("刮刮樂"), 
                            'type'=>'click', 
                            'key'=>'VCX_GUAHAPPY' 
                        ), 
                        array( 
                            'name'=>urlencode("幸運大轉盤"), 
                            'type'=>'click', 
                            'key'=>'VCX_LUCKPAN' 
                        ) 
                    ) 
                ), 
                array( 
                    'name'=>urlencode("我的信息"), 
                    'sub_button'=>array( 
                        array( 
                            'name'=>urlencode("關于我"), 
                            '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); 
    } 
    /** 
     * 查詢菜單 
     * @param $access_token 已獲取的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; 
    } 
    /** 
     * 刪除菜單 
     * @param $access_token 已獲取的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 文本類型, news 圖文類型 
     *@param value_arr array(內容),array(ID) 
     *@param o_arr array(array(標題,介紹,圖片,超鏈接),...小于10條),array(條數,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; //判斷數組數不超過設置數 
                    $con.="<item> 
                         <Title><![CDATA[{$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; 
        } 
    } 
} 
?>