微信 关注/取消关注事件

[php] view
plain copy

<?php  

/** 

  * wechat php test 

  */  

  

//define your token  

define("TOKEN", "weixin");  

$wechatObj = new wechatCallbackapiTest();  

//$wechatObj->valid();  

if(!isset($_GET["echostr"])){  

     $wechatObj->responseMsg();  

}else{  

 $wechatObj->valid();  

}  

  

class wechatCallbackapiTest  

{  

    public function valid()  

    {  

        $echoStr = $_GET["echostr"];  

        if($this->checkSignature()){  

            echo $echoStr;  

            //$this->responseMsg();  

            exit;  

        }  

    }  

  

    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 = $this->handleText($postObj);  

                        break;  

                    case "event":  

                        $resultStr = $this->handleEvent($postObj);  

                        break;  

                    default:  

                        $resultStr = "Unknow msg type: ".$RX_TYPE;  

                        break;  

                }  

                echo $resultStr;  

                //$fromUsername = $postObj->FromUserName;  

                //$toUsername = $postObj->ToUserName;  

                //$keyword = trim($postObj->Content);  

                //$time = time();  

                //$textTpl = "<xml>  

                //          <ToUserName><![CDATA[%s]]></ToUserName>  

                //          <FromUserName><![CDATA[%s]]></FromUserName>  

                //          <CreateTime>%s</CreateTime>  

                //          <MsgType><![CDATA[%s]]></MsgType>  

                //          <Content><![CDATA[%s]]></Content>  

                //          <FuncFlag>0</FuncFlag>  

                //          </xml>";               

                //if(!empty( $keyword ))  

                //{  

                //  $msgType = "text";  

                //  $contentStr = "你好啊，屌丝1";  

                //  $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);  

                //  echo $resultStr;  

                //}else{  

                //  echo "你好啊，屌丝1";  

                //}  

  

        }else {  

            echo "";  

            exit;  

        }  

    }  

    public function handleEvent($object)  

    {  

        $contentStr = "";  

        switch ($object->Event)  

        {  

            case "subscribe":  

                $contentStr = "感谢您关注【微卖】"."\n"."我们为您提供全国各地的生活指南，做最好的外卖微信平台。"."\n"."目前平台功能如下："."\n"."【1】 查天气，如输入：本地天气"."\n"."【2】 查公交，如输入：本地公交178"."\n"."【3】 翻译，如输入：翻译I love you"."\n"."【4】 本地信息查询，如输入："."\n"."更多内容，敬请期待...";  

                break;  

            default :  

                $contentStr = "Unknow Event: ".$object->Event;  

                break;  

        }  

        $resultStr = $this->responseText($object, $contentStr);  

        return $resultStr;  

    }  

      

    public function responseText($object, $content, $flag=0)  

    {  

        $textTpl = "<xml>  

                    <ToUserName><![CDATA[%s]]></ToUserName>  

                    <FromUserName><![CDATA[%s]]></FromUserName>  

                    <CreateTime>%s</CreateTime>  

                    <MsgType><![CDATA[text]]></MsgType>  

                    <Content><![CDATA[%s]]></Content>  

                    <FuncFlag>%d</FuncFlag>  

                    </xml>";  

        $resultStr = sprintf($textTpl, $object->FromUserName, $object->ToUserName, time(), $content, $flag);  

        return $resultStr;  

    }  

      

      

  

    private function checkSignature()  

    {  

        // you must define TOKEN by yourself  

        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);  

        // use SORT_STRING rule  

        sort($tmpArr, SORT_STRING);  

        $tmpStr = implode( $tmpArr );  

        $tmpStr = sha1( $tmpStr );  

        return true;  

        if( $tmpStr == $signature ){  

            return true;  

        }else{  

            return false;  

        }  

    }  

}  

  

?>