微信公众号入口文件示例

<?php
define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
//$wechatObj->valid();
//$wechatObj->menu();
//$wechatObj->delMenu();
//$wechatObj->qrCode();
$wechatObj->responseMsg();
class wechatCallbackapiTest
{
    protected     $appid="wx648efe06b5d56db6";
    protected    $secret="4a231637756bd650ed133710fa2eb746";
    public function valid()
    {
        $echoStr = $_GET["echostr"];
        if($this->checkSignature()){
            echo $echoStr;
            exit;
        }
    }    
    private function checkSignature()
    {
        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, $nonce);
        sort($tmpArr, SORT_STRING);
        $tmpStr = implode( $tmpArr );
        $tmpStr = sha1( $tmpStr );
        
        if( $tmpStr == $signature ){
            return true;
        }else{
            return false;
        }
    }
    public function token(){
        $url="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$this->appid."&secret=".$this->secret;
        $ch=curl_init();
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $str=curl_exec($ch);
        if($str!= false)
        {
            $jsonstr=json_decode($str);
            return $jsonstr->access_token;
        }else{
            echo curl_error($ch);
        }
        curl_close($ch);
    }
    public function delMenu(){
        $url="https://api.weixin.qq.com/cgi-bin/menu/delete?access_token=".$this->token();
        $ch=curl_init();
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        curl_exec($ch);
        curl_close($ch);    
    }
    public function menu(){
        $post='{
             "button":[{    
                            "type":"click",
                            "name":"今日歌曲",
                            "key":"V1001_TODAY_MUSIC"
                        },
                        {
                            "name":"菜单",
                            "sub_button":[{    
                                           "type":"view",
                                           "name":"下载说明书",
                                           "url":"http://www.baidu.com/"
                                        },
                                        {
                                           "type":"click",
                                           "name":"赞一下我们",
                                           "key":"V1001_GOOD",
                                        }]
                        }]
         }';
        $url="https://api.weixin.qq.com/cgi-bin/menu/create?access_token=".$this->token();
        $ch=curl_init();
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_POST,1);
        curl_setopt($ch,CURLOPT_POSTFIELDS,$post);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        curl_exec($ch);
        curl_close($ch);
    }
    public function ticket(){
        $url="https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=".$this->token();
        $post='{"action_name": "QR_LIMIT_SCENE", "action_info": {"scene": {"scene_id": 123}}}';
        $ch=curl_init();
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_POST,1);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
        curl_setopt($ch,CURLOPT_POSTFIELDS,$post);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $res=curl_exec($ch);
        $jsonObj=json_decode($res);
        return $jsonObj->ticket;
        curl_close($ch);
    }
    public function qrCode(){
        $ticket=UrlEncode($this->ticket());
        $url="https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=".$ticket;
        $ch=curl_init();
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        curl_exec($ch);
        curl_close($ch);
    }
    public function responseMsg(){
        $postStr=$GLOBALS['HTTP_RAW_POST_DATA'];
        if($postStr){
            $postObj=$xml=simplexml_load_string($postStr);
            $ToUserName=$postObj->ToUserName;
            $FromUserName=$postObj->FromUserName;
            $MsgType=$postObj->MsgType;
            $Event=$postObj->Event;
            $time=time();
            if(strtolower($MsgType)=='event'&&strtolower($Event)=='subscribe'){
                $EventKey=$postObj->EventKey;    
                $arr=explode('_',$EventKey);
                $EventKey=$arr[1];
                $url="http://testbed02.flnettv.com/api3.0/helpespec?site=0&model=".$EventKey;
                $ch=curl_init();
                curl_setopt($ch,CURLOPT_URL,$url);
                curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
                curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
                curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
                $jsonStr=curl_exec($ch);
                $jsonObj=json_decode($jsonStr);
                $model=$jsonObj->data->model;
        
                $downloadurl=$jsonObj->data->downloadurl;
                $xml="<xml> 
                <ToUserName>%s</ToUserName> 
                <FromUserName>%s</FromUserName> 
                <CreateTime>%s</CreateTime> 
                <MsgType>text</MsgType> 
            
                <Content>亲爱的夏普用户，您爱机的型号是：".$model."，请点击&lt;a href=&quot;$downloadurl &quot; &gt;下载说明书&lt;/a&gt; </Content>
                
                </xml>";
                $info=printf($xml,$FromUserName,$ToUserName,$time);
                echo $info;
            }elseif(strtolower($MsgType)=='event'&&strtolower($Event)=='scan'){
                $EventKey=$postObj->EventKey;
                $url="http://testbed02.flnettv.com/api3.0/helpespec?site=0&model=".$EventKey;
                $ch=curl_init();
                curl_setopt($ch,CURLOPT_URL,$url);
                curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
                curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
                curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
                $jsonStr=curl_exec($ch);
                $jsonObj=json_decode($jsonStr);
                $model=$jsonObj->data->model;
                
                $downloadurl=$jsonObj->data->downloadurl;
                $xml="<xml> 
                <ToUserName>%s</ToUserName> 
                <FromUserName>%s</FromUserName> 
                <CreateTime>%s</CreateTime> 
                <MsgType>text</MsgType> 
            
                <Content>亲爱的夏普用户，您爱机的型号是：".$model."，请点击&lt;a href=&quot;$downloadurl &quot; &gt;下载说明书&lt;/a&gt; </Content>
                
                </xml>";
                $info=printf($xml,$FromUserName,$ToUserName,$time);
                echo $info;
            }            
        }
    }
}
?>