為什么關(guān)注沒有自動(dòng)回復(fù)，求大神們指教，代碼是找著老師打的。

<?php

header("Content-type: text/html; charset=utf-8");?

// 本類由系統(tǒng)自動(dòng)生成，僅供測(cè)試用途

class IndexAction extends Action?

{

? ? public function index()

? ? {

//$this->show('<style type="text/css">*{ padding: 0; margin: 0; } div{ padding: 4px 48px;} body{ background: #fff; font-family: "微軟雅黑"; color: #333;} h1{ font-size: 100px; font-weight: normal; margin-bottom: 12px; } p{ line-height: 1.8em; font-size: 36px }</style><div style="padding: 24px 48px;"> <h1>:)</h1><p>歡迎使用 <b>ThinkPHP</b>！</p></div><script type="text/javascript" src="http://tajs.qq.com/stats?sId=9347272" charset="UTF-8"></script>','utf-8');

//獲得參數(shù) signature nonce token timestamp echostr

$nonce ? ? = $_GET['nonce'];

$token ? ? = "weixin";

$timestamp = $_GET['timestamp'];

$echostr ? = $_GET['echostr'];

$signature = $_GET['signature'];

//形成數(shù)組，然后按字典序排序

$array = array($nonce, $timestamp, $token);

sort($array);

//拼接成字符串,sha1加密 ，然后與signature進(jìn)行校驗(yàn)

$str = sha1( implode( '',$array ) );

if( $str ?== $signature && $echostr ){

//第一次接入weixin api接口的時(shí)候

echo ?$echostr;

exit;

}else

{

$this->responseMsg();

}

public function responseMsg()

{

//1.獲取到微信推送過來post數(shù)據(jù)（xml格式）

$postArr = $GLOBALS['HTTP_RAW_POST_DATA'];

//2.處理消息類型，并設(shè)置回復(fù)類型和內(nèi)容

/*<xml>

<ToUserName><![CDATA[toUser]]></ToUserName>

<FromUserName><![CDATA[FromUser]]></FromUserName>

<CreateTime>123456789</CreateTime>

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

<Event><![CDATA[subscribe]]></Event>

</xml>*/

$postObj = simplexml_load_string( $postArr );

//$postObj->ToUserName = '';

//$postObj->FromUserName = '';

//$postObj->CreateTime = '';

//$postObj->MsgType = '';

//$postObj->Event = '';

// gh_e79a177814ed

//判斷該數(shù)據(jù)包是否是訂閱的事件推送

if( strtolower( $postObj->MsgType) == 'event'){

//如果是關(guān)注 subscribe 事件

if( strtolower($postObj->Event )== 'subscribe' ){

//回復(fù)用戶消息(純文本格式)

$toUser ? = $postObj->FromUserName;

$fromUser = $postObj->ToUserName;

$time ? ? = time();

$msgType ?= ?'text';

$content ?= '歡迎關(guān)注我們的微信公眾賬號(hào)'.$postObj->FromUserName.'-'.$postObj->ToUserName;

$template = "<xml>

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

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

<CreateTime>%s</CreateTime>

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

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

</xml>";

$info ? ? = sprintf($template, $toUser, $fromUser, $time, $msgType, $content);

echo $info;

}

? ? }

}

}

}