<?php
define("token","你的token");
class wechatcallbackapi{
//public $signature; //加密签名
//public $timestamp; //时间戳
//public $nonce; //随机数
//public $echostr; //随机字符串，返回标志
public $fromusername; //发信人id
public $tousername; //收信人id(本公共号)
public $keywords; //文本信息
public $msgid; //消息id
public $welcomemsg; //欢迎消息
public $msgtype; //消息类型
public $event; //事件名
public $mediaid; //语音消息媒体id，可以调用多媒体文件下载接口拉取该媒体
public $format; //语音格式：amr
public $recognition; //语音识别结果
public function __construct(){
$this->welcomemsg="hello,欢迎订阅！";
//$this->main(); //*****************第一次验证的时候打开，随后可关闭***************
}
//首次token验证
public function main(){
$echostr=$_get['echostr'];
if($this->checkres()){
echo $echostr;
}else{
exit();
}
}
//验证权限
private function checkres(){
$signature=$_get['signature']; //获取微信服务发送过来的参数
$timestamp=$_get['timestamp'];
$nonce=$_get['nonce'];
$token = token;
$tmparr = array($token,$timestamp,$nonce);
sort($tmparr); //进行字典排序
$strwaitcheck = implode($tmparr); //进行字符串组合
$strwaitcheck = sha1($strwaitcheck); //对字符串进行sha1加密
if($strwaitcheck==$signature){
return true;
}else{
return false;
}
}
public function getwhatwechatserverpost(){
$huntpostcontent = $globals["http_raw_post_data"]; //获取微信服务post过来的内容
$newxmlobj =simplexml_load_string($huntpostcontent,'simplexmlelement', libxml_nocdata); //把post过的字符串载入对象
$this->fromusername = $newxmlobj->fromusername; //向公共账号发信息的用户名
$this->tousername = $newxmlobj->tousername; //公共账号名
$this->keywords = trim($newxmlobj->content); //消息内容
$this->msgid = trim($newxmlobj->msgid); //读取当前消息msgid
$this->msgtype = trim($newxmlobj->msgtype); //读取当前消息类型
$this->event = trim($newxmlobj->event); //读取当前事件名
$this->format = trim($newxmlobj->format); //语音格式：amr
$this->mediaid = trim($newxmlobj->mediaid); //语音消息媒体id，可以调用多媒体文件下载接口拉取该媒体
$this->recognition = trim($newxmlobj->recognition); //语音识别结果，utf8编码
}
//消息响应
public function responsemsg(){
$this->getwhatwechatserverpost(); //执行接收微信服务器post过来的东西
//当消息类型为text的时候处理
if(!empty($this->keywords)&& $this->msgtype == "text"){
$para = $this->keywords;
switch($para){
case "1":
$tmp_item = $this->textpicmaxtmp(
"this is a test!!",
"各位大叔大妈别太大较真，这就一测试滴",
"http://www.baidu.com/img/bdlogo.gif",
"http://www.baidu.com/");
$re_global = $this->restextpicmax($this->fromusername,$this->tousername,1,$tmp_item);
echo $re_global;
break;
case "2":
$contentrestext = "hello,buddy,you send me a \"2\"[玫瑰]";
$re_global = $this->restextmsg($this->fromusername,$this->tousername,$contentrestext);
echo $re_global;
break;
case "000":
$contentrestext = "你想返回的字符串";
$this->longstrhandleextendfunc($contentrestext);
break;
default:
//调用功能判断函数处理
$this->longstrhandle($para);
break;
}
}else if($this->msgtype == "event" && !empty($this->event)){ //获取事件类型
if($this->event=='subscribe'){
$contentrestext = $this->welcomemsg; //初次关注的时候推送欢迎消息
$re_global = $this->restextmsg($this->fromusername,$this->tousername,$contentrestext);
}else if($this->event == "unsubscribe"){///这个地方好像没有作用！！！
$contentrestext = "我擦，你咋跑了";
$re_global = $this->restextmsg($this->fromusername,$this->tousername,$contentrestext);
}
}else if($this->msgtype == "voice"){
if($this->recognition == ""){
$contentrestext ="亲，你说的火星文么，听不懂，建议您还是文字查询吧..[呲牙]";//语音无返回结果的时候给用记返回一条错误
$re_global = $this->restextmsg($this->fromusername,$this->tousername,$contentrestext);
}else{
$contentrestext =$this->recognition; //其它情况下返回欢迎语
$re_global = $this->restextmsg($this->fromusername,$this->tousername,$contentrestext);
}
}else{
//如果在text情况意外得到一条空消息的处理
echo "";
exit();
}
echo $re_global; //返回值给微信服务器
}
//多次用到的几句话就定义了一个小方法
public function longstrhandleextendfunc($context){
$re_global = $this->restextmsg($this->fromusername,$this->tousername,$context);
echo $re_global;
}
//收到除特定字符外的其它字符的处理方法，这个要根据你需要的具体逻辑处理
public function longstrhandle($waithandlestr){
/*
your code
*/
}
//回复文本信息方法
public function restextmsg($tu,$fu,$textcontent){
//文本消息模板
$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"; //消息类型
$time = time(); //时间戳
$resserverstr = sprintf($texttpl,$tu,$fu,$time,$msgtype,$textcontent); //替换模板里的内容
return $resserverstr;
}
//回复图文
public function restextpicmax($tu,$fu,$itemnum,$totalitemstr){
//图片模板
$pictpl = "<xml>
<tousername><![cdata[%s]]></tousername>
<fromusername><![cdata[%s]]></fromusername>
<createtime>%s</createtime>
<msgtype><![cdata[%s]]></msgtype>
<articlecount>%s</articlecount>
<articles>"
.$totalitemstr.
"</articles>
</xml>";
$msgtype = "news"; //消息类型
$time = time(); //时间戳
$resserverstr = sprintf($pictpl,$this->fromusername,$this->tousername,$time,$msgtype,$itemnum); //替换模板里的内容
return $resserverstr;
}
//图文模板处理
public function textpicmaxtmp($title,$des,$picurl,$jumpurl){
//图文消息条目模板
$itemtpl="
<item>
<title><![cdata[%s]]></title>
<description><![cdata[%s]]></description>
<picurl><![cdata[%s]]></picurl>
<url><![cdata[%s]]></url>
</item>
";
$resitemstr = sprintf($itemtpl,$title,$des,$picurl,$jumpurl); //替换模板里的内容
return $resitemstr;
}
//接下来就是你自己定义的各种方法
}