//代码如下
<?php
class IndexAction extends Action {
public function __construct(){
}
public function index(){
//获得参数 signature nonce token timestamp echostr
$nonce = $_GET['nonce'];
$token = 'imooc';
$timestamp = $_GET['timestamp'];
$echostr = $_GET['echostr'];
$signature = $_GET['signature'];
//形成数组，然后按字典序排序
$array = array();
$array = array($nonce, $timestamp, $token);
sort($array);
//拼接成字符串,sha1加密 ，然后与signature进行校验
$str = sha1( implode( $array ) );
if( $str == $signature && $echostr ){
//第一次接入weixin api接口的时候
echo $echostr;
exit;
}else{
$this->reponseMsg();
}
}
// 接收事件推送并回复
public function reponseMsg(){
//1.获取到微信推送过来post数据（xml格式）
$postArr = $GLOBALS['HTTP_RAW_POST_DATA'];
//2.处理消息类型，并设置回复类型和内容
/*<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
//判断该数据包是否是订阅的事件推送
if( strtolower( $postObj->MsgType) == 'event'){
//如果是关注 subscribe 事件
if( strtolower($postObj->Event == 'subscribe') ){
//回复用户消息(纯文本格式)
$toUser = $postObj->FromUserName;
$fromUser = $postObj->ToUserName;
$time = time();
$msgType = 'text';
$content = '欢迎关注我们的微信公众账号'.$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 $info;
/*<xml>
<ToUserName><![CDATA[toUser]]></ToUserName>
<FromUserName><![CDATA[fromUser]]></FromUserName>
<CreateTime>12345678</CreateTime>
<MsgType><![CDATA[text]]></MsgType>
<Content><![CDATA[你好]]></Content>
</xml>*/
}
}
//当微信用户发送imooc，公众账号回复‘imooc is very good'
/*<xml>
<ToUserName><![CDATA[toUser]]></ToUserName>
<FromUserName><![CDATA[fromUser]]></FromUserName>
<CreateTime>12345678</CreateTime>
<MsgType><![CDATA[text]]></MsgType>
<Content><![CDATA[你好]]></Content>
</xml>*/
/*if(strtolower($postObj->MsgType) == 'text'){
switch( trim($postObj->Content) ){
case 1:
$content = '您输入的数字是1';
break;
case 2:
$content = '您输入的数字是2';
break;
case 3:
$content = '您输入的数字是3';
break;
case 4:
$content = "<a href='http://www.imooc.com'>慕课</a>";
break;
case '英文':
$content = 'imooc is ok';
break;
}
$template = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime