微信公众平台-发送被动响应消息

字号+ 作者:alpha 来源:www.seoalphas.com 2017-09-10 16:51 浏览次数(243)

<?php  
  
$testObj = new Test();  
  
if(!emptyempty($_GET['echostr'])){  
      
    $testObj->valid();  
      
}else{  
      
    $testObj->responseMsg();  
}  
  
exit;  
  
class Test  
{  
    /** 
     * 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;  
        }  
    }   
}  
  
?>


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