微信点击click事件自动回复

实现功能：
1.扫码关注提示
2.点击click事件自动回复

/* 
  实现功能：
  1.扫码关注提示
  2.点击click事件自动回复  
*/ 

define("TOKEN", "weixin");

$wechatObj = new wechatCallbackapiTest();
if (!isset($_GET['echostr'])) {
    $wechatObj->responseMsg();
}else{
    $wechatObj->valid();
}

class wechatCallbackapiTest
{
    public function valid()
    {
        $echoStr = $_GET["echostr"];
        if($this->checkSignature()){
            echo $echoStr;
            exit;
        }
    }

    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;
        }
    }

    public function responseMsg()
    {
        $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
        if (!empty($postStr)){
            $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
            $RX_TYPE = trim($postObj->MsgType);

            switch ($RX_TYPE)
            {
                case "text":
                    $resultStr = $this->receiveText($postObj);
                    break;
                case "event":
                    $resultStr = $this->receiveEvent($postObj);
                    break;
                default:
                    $resultStr = "";
                    break;
            }
            echo $resultStr;
        }else {
            echo "";
            exit;
        }
    }

    private function receiveText($object)
    {
        $funcFlag = 0;
        $contentStr = "你发送的内容为：".$object->Content;
        $resultStr = $this->transmitText($object, $contentStr, $funcFlag);
        return $resultStr;
    }

    private function receiveEvent($object)
    {
        $contentStr = "";
        switch ($object->Event)
        {
            case "subscribe":
                $contentStr = "欢迎关注XX";
            case "unsubscribe":
                break;
            case "CLICK":
                switch ($object->EventKey)
                {
                    case "company":
                        $contentStr[] = array("Title" =>"公司简介", 
                        "Description" =>"XX提供移动互联网相关的产品及服务", 
                        "PicUrl" =>"http://discuz.comli.com/weixin/weather/icon/cartoon.jpg", 
                        "Url" =>"weixin://addfriend/pondbaystudio");
                        break;
                    default:
                        $contentStr[] = array("Title" =>"默认菜单回复", 
                        "Description" =>"您正在使用的XXX", 
                        "PicUrl" =>"http://discuz.comli.com/weixin/weather/icon/cartoon.jpg", 
                        "Url" =>"weixin://addfriend/pondbaystudio");
                        break;
                }
                break;
            default:
                break;      

        }
        if (is_array($contentStr)){
            $resultStr = $this->transmitNews($object, $contentStr);
        }else{
            $resultStr = $this->transmitText($object, $contentStr);
        }
        return $resultStr;
    }

    private function transmitText($object, $content, $funcFlag = 0)
    {
        $textTpl = "


%s


%d
";
        $resultStr = sprintf($textTpl, $object->FromUserName, $object->ToUserName, time(), $content, $funcFlag);
        return $resultStr;
    }

    private function transmitNews($object, $arr_item, $funcFlag = 0)
    {
        //首条标题28字，其他标题39字
        if(!is_array($arr_item))
            return;

        $itemTpl = "    
        
        
        
        
    
";
        $item_str = "";
        foreach ($arr_item as $item)
            $item_str .= sprintf($itemTpl, $item['Title'], $item['Description'], $item['PicUrl'], $item['Url']);

        $newsTpl = "


%s


%s

$item_str
%s
";

        $resultStr = sprintf($newsTpl, $object->FromUserName, $object->ToUserName, time(), count($arr_item), $funcFlag);
        return $resultStr;
    }
}
?>