PHP微信开发ReplyModel（封装验证，数据获取，信息返回）

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<?php
class ReplyModel{
    //验证token,
    public function ValidationToken($token){
        if(isset($_GET["echostr"])){
            $tokenInfo["token"]=$token;
            $tokenInfo["echostr"]=$_GET["echostr"];
            $tokenInfo["signature"]=$_GET["signature"];
            $tokenInfo["timestamp"]=$_GET["timestamp"];
            $tokenInfo["nonce"]=$_GET["nonce"];
            if($this->checkSignature($tokenInfo)){
                return $tokenInfo["echostr"];
            }
            return false;
        }else{
            return true;
        }
    }
    //封装检测函数
    private function checkSignature($info)
    {
        $signature = $info["signature"];
        $timestamp = $info["timestamp"];
        $nonce = $info["nonce"];
        $token = $info["token"];
        $tmpArr = array($token, $timestamp, $nonce);
        sort($tmpArr, SORT_STRING);
        $tmpStr = implode( $tmpArr );
        $tmpStr = sha1( $tmpStr );
        if( $tmpStr == $signature ){
            return true;
        }else{
            return false;
        }
    }

    //得到xml数据并且解析成一个对象,成功返回$postObj，失败返回null
    public function getXmlAnalysis(){
        //1：获取到微信推送过来的POST数据（xml格式）
        $postArr="<xml>
                 <ToUserName><![CDATA[toUser]]></ToUserName>
                 <FromUserName><![CDATA[fromUser]]></FromUserName>
                 <CreateTime>1348831860</CreateTime>
                 <MsgType><![CDATA[text]]></MsgType>
                 <Content><![CDATA[1]]></Content>
                 <MsgId>1234567890123456</MsgId>
                 </xml>";
        $postArr=$GLOBALS["HTTP_RAW_POST_DATA"];
        /*$postArr="<xml>
                 <ToUserName><![CDATA[toUser]]></ToUserName>
                 <FromUserName><![CDATA[fromUser]]></FromUserName>
                 <CreateTime>1348831860</CreateTime>
                 <MsgType><![CDATA[text]]></MsgType>
                 <Content><![CDATA[5]]></Content>
                 <MsgId>1234567890123456</MsgId>
                 </xml>";*/
        if (!empty($postArr)){
            libxml_disable_entity_loader(true);
            $postObj = simplexml_load_string($postArr, ‘SimpleXMLElement‘, LIBXML_NOCDATA);
            return $postObj;
        }else{
            return null;
        }
    }

    //返回纯文本信息,需要传入的参数为解析后的微信服务器数据对象$postObj，需要返回的内容（eg:$relText="你输入的是数字1,返回的是数字1";）
    public function ReplyText($postObj,$relText){
        $textArr=array("");
        $textArr[‘template‘]=$relText;;
        $textArr[‘toUser‘]=$postObj->FromUserName;
        $textArr[‘fromUser‘]=$postObj->ToUserName;
        $textArr[‘time‘]=time();
        $textArr[‘MsgType‘]=‘text‘;
        return $textArr;
    }

    /*返回图文消息,需要传入的参数为解析后的微信服务器数据对象$postObj，需要返回的内容（eg:$relImageText=array(
                                                                                                        array("title"=>"pqs",
                                                                                                        "description"=>"pqs is user weixin",
                                                                                                        "picurl"=>"https://ss0.bdstatic.com/5aV1bjqh_Q23odCf/static/superman/img/logo/logo_white_fe6da1ec.png",
                                                                                                        "url"=>"http://www.scarecrowpqs.com/atmSystem/")
                                                                                                        );;）*/
    public function  ReplyImageText($postObj,$relImageText){
        $textArr=array("");
        $textArr[‘toUser‘]=$postObj->FromUserName;
        $textArr[‘fromUser‘]=$postObj->ToUserName;
        $textArr[‘time‘]=time();
        $textArr[‘MsgType‘]=‘news‘;
        $textArr[‘template‘]=$relImageText;
        return $textArr;
    }

    //返回图片消息,//返回纯文本信息,需要传入的参数为解析后的微信服务器数据对象$postObj，需要返回的内容（eg:$relText="MediaId";）
    public function ReplyImage($postObj,$relImage){
        $textArr=array("");
        $textArr[‘toUser‘]=$postObj->FromUserName;
        $textArr[‘fromUser‘]=$postObj->ToUserName;
        $textArr[‘time‘]=time();
        $textArr[‘MsgType‘]=‘image‘;
        $textArr[‘template‘]=$relImage;
        return $textArr;
    }

    //获取微信接口,需要传入的参数为appid和appsecret，返回值为$accessToken
    private function getWxAccessToken($appid,$appsecret){
        $url="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appid."&secret=".$appsecret;
        $arr=$this->http_curl($url);
        return $arr;
    }

    //获取微信接口，判断是否在本地的过期没
    public function getIsWxAccessToken(){
        if($_SESSION[‘access_token‘] && $_SESSION[‘expires_in‘]>time()){
            return $_SESSION[‘access_token‘];
        }else{
            $relStr=$this->getWxAccessToken("wx9e92e07e63ba07d9","d4624c36b6795d1d99dcf0547af5443d");
            $_SESSION["access_token"]=$relStr[‘access_token‘];
            $_SESSION["expires_in"]=time()+7200;
            return $relStr[‘access_token‘];
        }

    }

    //需要传入的参数为accessToken,返回值为微信服务器地址
    public function getWxServerIp($accessToken){
        $accessToken=$this->getIsWxAccessToken();
        $url="https://api.weixin.qq.com/cgi-bin/getcallbackip?access_token=".$accessToken;
        $arr=$this->http_curl($url);
        return $arr;
    }

    //curl请求函数
    private function http_curl($url,$type=‘get‘,$res=‘json‘,$arr=‘‘,$header=0){
        //初始化curl
        $ch=curl_init();
        //设置curl
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
        curl_setopt($ch, CURLOPT_HEADER,$header);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        //调用接口
        if($type==‘post‘){
            curl_setopt($ch,CURLOPT_POST,1);
            curl_setopt($ch,CURLOPT_POSTFIELDS,$arr);
        }
        $rel=curl_exec($ch);
        //关闭curl
        if(curl_errno($ch)){
            var_dump(curl_error($ch));
        }else{
            curl_close($ch);
            if($res==‘json‘){
                $relStr=json_decode($rel,true);
                return $relStr;
            }else{
                return $rel;
            }
        }
    }


    //定义自定义菜单
    public function setMenuItem($MenuArr,$Access_Token){
        $url="https://api.weixin.qq.com/cgi-bin/menu/create?access_token=".$Access_Token;
        $MenuArr=urldecode(json_encode($MenuArr));
        $rel=$this->http_curl($url,‘post‘,‘json‘,$MenuArr);
        return $rel;
    }

}

PHP微信开发ReplyModel（封装验证，数据获取，信息返回）

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原文地址：http://www.cnblogs.com/scarecrowpqs/p/5501849.html