<?php
$testObj =
new Wechat();
if(!emptyempty($_GET[
‘echostr‘])){
$testObj->valid();
}
else{
$testObj->responseMsg();
}
exit;
class Wechat
{
/**
* 绑定url、token信息
*/ public function valid(){
$echoStr = $_GET[
"echostr"];
if ($
this->checkSignature()) {
echo $echoStr;
}
exit();
}
/**
* 检查签名，确保请求是从微信发过来的
*/ private function checkSignature()
{
$signature = $_GET[
"signature"];
$timestamp = $_GET[
"timestamp"];
$nonce = $_GET[
"nonce"];
$token =
"test123";
//与在微信配置的token一致，不可泄露
$tmpArr = array($token, $timestamp, $nonce);
sort($tmpArr);
$tmpStr = implode( $tmpArr );
$tmpStr = sha1( $tmpStr );
if( $tmpStr == $signature ){
return true;
}
else{
return false;
}
}
/**
* 接收消息，并自动发送响应信息
*/ public function responseMsg(){
//验证签名
if ($
this->checkSignature()){
$postStr = $GLOBALS[
"HTTP_RAW_POST_DATA"];
$
this->log_request_info();
//提取post数据
if (!emptyempty($postStr)){
$postObj = simplexml_load_string($postStr,
‘SimpleXMLElement‘, LIBXML_NOCDATA);
$fromUsername = $postObj->FromUserName;
//发送人
$toUsername = $postObj->ToUserName;
//接收人
$MsgType = $postObj->MsgType;
//消息类型
$MsgId = $postObj->MsgId;
//消息id
$time = time();
//当前时间做为回复时间
//如果是文本消息（表情属于文本信息）
if($MsgType ==
‘text‘){
$content = trim($postObj->Content);
//消息内容
if(!emptyempty( $content )){
//如果文本内容是图文，则回复图文信息，否则回复文本信息
if($content ==
"图文"){
//回复图文消息,ArticleCount图文消息个数,多条图文消息信息，默认第一个item为大图
$ArticleCount =
2;
$newsTpl =
"<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[%s]]></MsgType>
<ArticleCount>%s</ArticleCount>
<Articles>
<item>
<Title><![CDATA[%s]]></Title>
<Description><![CDATA[%s]]></Description>
<PicUrl><![CDATA[%s]]></PicUrl>
<Url><![CDATA[%s]]></Url>
</item>
<item>
<Title><![CDATA[%s]]></Title>
<Description><![CDATA[%s]]></Description>
<PicUrl><![CDATA[%s]]></PicUrl>
<Url><![CDATA[%s]]></Url>
</item>
</Articles>
</xml>
";
$resultStr = sprintf($newsTpl, $fromUsername, $toUsername, $time,
‘news‘,
$ArticleCount,
‘我是图文信息‘,
‘我是描述信息‘,
‘http://www.test.com/DocCenterService/image?photo_id=236‘,
‘http://www.test.com‘,
‘爱城市网正式开通上线‘,
‘描述2‘,
‘http://jn.test.com/ac/skins/img/upload/img/20131116/48171384568991509.png‘,
‘http://www.test.com‘);
echo $resultStr;
$
this->log($resultStr);
}
else{
//回复文本信息
$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>
";
$contentStr =
‘你发送的信息是：接收人：‘.$toUsername.
‘,发送人:‘.$fromUsername.
‘,消息类型：‘.$MsgType.
‘,消息内容：‘.$content.
‘ www.icity365.com‘;
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time,
‘text‘, $contentStr);
echo $resultStr;
$
this->log($resultStr);
}
}
else{
echo
"Input something...";
$
this->log($resultStr);
}
//如果是图片消息
}elseif ($MsgType ==
‘image‘){
$MediaId = $postObj->MediaId;
//图片消息媒体id，可以调用多媒体文件下载接口拉取数据。
$imageTpl =
"<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[%s]]></MsgType>
<Image>
<MediaId><![CDATA[%s]]></MediaId>
</Image>
</xml>
";
$resultStr = sprintf($imageTpl, $fromUsername, $toUsername, $time, $MsgType, $MediaId);
echo $resultStr;
$
this->log(
"自动响应图片信息");
$
this->log($resultStr);
//如果是视频
}
else if($MsgType ==
‘video‘){
$MediaId = $postObj->MediaId;
//视频消息媒体id，可以调用多媒体文件下载接口拉取数据。
$ThumbMediaId = $postObj->ThumbMediaId;
//视频消息缩略图的媒体id，可以调用多媒体文件下载接口拉取数据。
$videoTpl =
"<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[%s]]></MsgType>
<Video>
<MediaId><![CDATA[%s]]></MediaId>
<ThumbMediaId><![CDATA[%s]]></ThumbMediaId>
<Title><![CDATA[%s]]></Title>
<Description><![CDATA[%s]]></Description>
</Video>
</xml>
";
$resultStr = sprintf($videoTpl, $fromUsername, $toUsername, $time, $MsgType, $MediaId,$ThumbMediaId,
‘我是标题‘,
‘我是描述‘);
echo $resultStr;
$
this->log(
"自动响应视频信息".$ThumbMediaId);
$
this->log($resultStr);
//如果是地理位置
}
else if($MsgType ==
‘location‘){
$Location_X = $postObj->Location_X;
//维度
$Location_Y = $postObj->Location_Y;
//经度
$Scale = $postObj->Scale;
//地图缩放大小
$Label = $postObj->Label;
//地里位置信息
//回复文本信息
$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>
";
$msgType =
"text";
$contentStr =
‘经度：‘.$Location_Y.
‘，维度：‘.$Location_X.
‘，地图缩放大小‘.$Scale.
‘，地理位置信息：‘.$Label;
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
echo $resultStr;
$
this->log($resultStr);
//如果是事件
}
else if($MsgType ==
‘event‘){
$Event = $postObj->Event;
//subscribe(关注，也叫订阅)
if($Event ==
‘subscribe‘){
$EventKey = $postObj->EventKey;
//事件KEY值，qrscene_为前缀，后面为二维码的参数值
//未关注时，扫描二维码
if(!emptyempty($EventKey)){
$Ticket = $postObj->Ticket;
//二维码的ticket，可用来换取二维码图片
$
this->log($fromUsername.
‘扫描二维码关注！EventKey=‘.$EventKey.
‘,Ticket=‘.$Ticket);
}
else{
$
this->log($fromUsername.
‘关注我了！‘);
}
//unsubscribe(取消关注)
}elseif ($Event ==
‘unsubscribe‘){
$
this->log($fromUsername.
‘取消关注我了！‘);
//已关注时，扫描二维码事件
}elseif($Event ==
‘SCAN‘ || $Event ==
‘scan‘){
$EventKey = $postObj->EventKey;
//事件KEY值，是一个32位无符号整数，即创建二维码时的二维码scene_id
$Ticket = $postObj->Ticket;
//二维码的ticket，可用来换取二维码图片
$
this->log($fromUsername.
‘关注我了！EventKey=‘.$EventKey.
‘,Ticket=‘.$Ticket);
//菜单点击事件
}elseif($Event ==
‘CLICK‘){
$EventKey = $postObj->EventKey;
//事件KEY值，与自定义菜单接口中KEY值对应
//回复文本信息
$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>
";
$contentStr =
‘你点击了菜单，菜单项key=‘.$EventKey;
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time,
‘text‘, $contentStr);
echo $resultStr;
$
this->log($resultStr);
//其他事件类型
}
else{
$
this->log(
‘事件类型：‘.$Event);
}
//其他消息类型，链接、语音等
}
else{
//回复文本信息
$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>
";
$contentStr =
‘消息类型：‘.$MsgType.
‘我们还没做处理。。。。【爱城市网】‘;
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time,
‘text‘, $contentStr);
echo $resultStr;
$
this->log($resultStr);
}
}
else {
echo
"";
exit;
}
}
else{
$
this->log(
"验证签名未通过！");
}
}
/**
* 记录请求信息
*/ function log_request_info() {
$post =
‘‘;
foreach($_POST
as $key => $value) {
$post = $post.$key.
‘ : ‘.$value.
‘ , ‘;
}
$
get =
‘‘;
foreach($_GET
as $key => $value) {
$
get = $
get.$key.
‘ : ‘.$value.
‘ , ‘;
}
$
this->log(
"get信息：".$
get);
$
this->log(
"post信息：".$post);
}
/**
* 记录日志
* @param $str
* @param $mode
*/ function log($str){
$mode=
‘a‘;
//追加方式写
$file =
"log.txt";
$oldmask = @umask(
0);
$fp = @fopen($file,$mode);
@flock($fp,
3);
if(!$fp)
{
Return
false;
}
else {
@fwrite($fp,$str);
@fclose($fp);
@umask($oldmask);
Return
true;
}
}
}
?>
