微信公众平台开发入门--PHP,实现自动回复文本,图文,点击事件

一页代码实现微信基本回复和点击事件功能,部署上去sae或者bae,妥妥的基本免费的服务器

不懂代码都基本每个人都可以做自己的微信公众号了羡慕


<?php

define("TOKEN", "mzh");        //换成你的token
$wechatObj = new wechatCallbackapiTest();
if (isset($_GET['echostr'])) {     //验证微信
    $wechatObj->valid();
}else{                     //回复消息
    $wechatObj->responseMsg();
}

class wechatCallbackapiTest
{
    public function valid()
    {
        $echoStr = $_GET["echostr"];
        if($this->checkSignature()){
            echo $echoStr;
            exit;
        }
    }

    private function checkSignature()
    {
        $signature = $_GET["signature"];
        $timestamp = $_GET["timestamp"];
        $nonce = $_GET["nonce"];

        $token = TOKEN;
        $tmpArr = array($token, $timestamp, $nonce);
        sort($tmpArr);
        $tmpStr = implode( $tmpArr );
        $tmpStr = sha1( $tmpStr );

        if( $tmpStr == $signature ){
            return true;
        }else{
            return false;
        }
    }

    //回复消息
    public function responseMsg()
	{
    $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
    if (!empty($postStr)){
        $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
        $RX_TYPE = trim($postObj->MsgType);

        switch ($RX_TYPE)
        {
            case "text":
                $resultStr = $this->receiveText($postObj);
                break;
            case "image":
                $resultStr = $this->receiveImage($postObj);
                break;
            case "location":
                $resultStr = $this->receiveLocation($postObj);
                break;
            case "voice":
                $resultStr = $this->receiveVoice($postObj);
                break;
            case "video":
                $resultStr = $this->receiveVideo($postObj);
                break;
            case "link":
                $resultStr = $this->receiveLink($postObj);
                break;
            case "event":
                $resultStr = $this->receiveEvent($postObj);
                break;
            default:
                $resultStr = "unknow msg type: ".$RX_TYPE;
                break;
        }
        echo $resultStr;
    }else {
        echo "";
        exit;
    }
	}
    
    //接收文本消息
    private function receiveText($object)
    {
        $keyword = trim($object->Content);
        $url = "http://api100.duapp.com/movie/?appkey=DIY_miaomiao&name=".$keyword;
        $output = file_get_contents($url,$keyword);
        $contentStr = json_decode($output, true);
        if (is_array($contentStr)){
            $resultStr = $this->transmitNews($object, $contentStr);
        }else{
            $resultStr = $this->transmitText($object, $contentStr);
        }
        return $resultStr;
    }

    
    //接收事件,关注等
    private function receiveEvent($object)
    {
        $contentStr = "";
        switch ($object->Event)
        {
            case "subscribe":
                $contentStr = "你关注了我";    //关注后回复内容
                break;
            case "unsubscribe":
                $contentStr = "";
                break;
            case "CLICK":
                $contentStr =  $this->receiveClick($object);    //点击事件
                break;
            default:
                $contentStr = "receive a new event: ".$object->Event;
                break;
        }
        
        return $contentStr;
    }
    
    //接收图片
    private function receiveImage($object)
    {
        $contentStr = "你发送的是图片,地址为:".$object->PicUrl;
        $resultStr = $this->transmitText($object, $contentStr);
        return $resultStr;
    }
    
    
    //接收语音
    private function receiveVoice($object)
    {
        $contentStr = "你发送的是语音,媒体ID为:".$object->MediaId;
        $resultStr = $this->transmitText($object, $contentStr);
        return $resultStr;
    }
    
    //接收视频
    private function receiveVideo($object)
    {
        $contentStr = "你发送的是视频,媒体ID为:".$object->MediaId;
        $resultStr = $this->transmitText($object, $contentStr);
        return $resultStr;
    }
    
    //位置消息
    private function receiveLocation($object)
    {
        $contentStr = "你发送的是位置,纬度为:".$object->Location_X.";经度为:".$object->Location_Y.";缩放级别为:".$object->Scale.";位置为:".$object->Label;
        $resultStr = $this->transmitText($object, $contentStr);
        return $resultStr;
    }
    
    //链接消息
    private function receiveLink($object)
    {
        $contentStr = "你发送的是链接,标题为:".$object->Title.";内容为:".$object->Description.";链接地址为:".$object->Url;
        $resultStr = $this->transmitText($object, $contentStr);
        return $resultStr;
    }
    
    
  

 //点击菜单消息     private function receiveClick($object)     {          switch ($object->EventKey)          {              case "1":              $contentStr = "猫咪酱个性DIY服装, 我们专业定制个性【班服,情侣装,亲子装等,有长短T恤,卫衣,长短裤】 来图印制即可,给你温馨可爱的TA, 有事可直接留言微信";              break;                           case "2":              $contentStr = "你点击了菜单: ".$object->EventKey;              break;                           case "3":              $contentStr = "是傻逼";              break;                           default:              $contentStr = "你点击了菜单: ".$object->EventKey;              break;          }                         //两种回复         if (is_array($contentStr)){             $resultStr = $this->transmitNews($object, $contentStr);         }else{             $resultStr = $this->transmitText($object, $contentStr);         }         return  $resultStr;     }                                                         //回复文本消息     private function transmitText($object, $content)     {         $textTpl = "<xml>         <ToUserName><![CDATA[%s]]></ToUserName>         <FromUserName><![CDATA[%s]]></FromUserName>         <CreateTime>%s</CreateTime>         <MsgType><![CDATA[text]]></MsgType>         <Content><![CDATA[%s]]></Content>         </xml>";         $resultStr = sprintf($textTpl, $object->FromUserName, $object->ToUserName, time(), $content);         return $resultStr;     }

                        //回复图文     private function transmitNews($object, $arr_item)     {         if(!is_array($arr_item))             return;

        $itemTpl = "    <item>         <Title><![CDATA[%s]]></Title>         <Description><![CDATA[%s]]></Description>         <PicUrl><![CDATA[%s]]></PicUrl>         <Url><![CDATA[%s]]></Url>      </item>";         $item_str = "";         foreach ($arr_item as $item)             $item_str .= sprintf($itemTpl, $item['Title'], $item['Description'], $item['PicUrl'], $item['Url']);

        $newsTpl = "<xml>         <ToUserName><![CDATA[%s]]></ToUserName>         <FromUserName><![CDATA[%s]]></FromUserName>         <CreateTime>%s</CreateTime>         <MsgType><![CDATA[news]]></MsgType>         <Content><![CDATA[]]></Content>         <ArticleCount>%s</ArticleCount>         <Articles>         $item_str</Articles>         </xml>";

        $resultStr = sprintf($newsTpl, $object->FromUserName, $object->ToUserName, time(), count($arr_item));         return $resultStr;     }             //音乐消息     private function transmitMusic($object, $musicArray, $flag = 0)     {         $itemTpl = "<Music>         <Title><![CDATA[%s]]></Title>         <Description><![CDATA[%s]]></Description>         <MusicUrl><![CDATA[%s]]></MusicUrl>         <HQMusicUrl><![CDATA[%s]]></HQMusicUrl>         </Music>";

        $item_str = sprintf($itemTpl, $musicArray['Title'], $musicArray['Description'], $musicArray['MusicUrl'], $musicArray['HQMusicUrl']);

        $textTpl = "<xml>         <ToUserName><![CDATA[%s]]></ToUserName>         <FromUserName><![CDATA[%s]]></FromUserName>         <CreateTime>%s</CreateTime>         <MsgType><![CDATA[music]]></MsgType>         $item_str         <FuncFlag>%d</FuncFlag>         </xml>";

        $resultStr = sprintf($textTpl, $object->FromUserName, $object->ToUserName, time(), $flag);         return $resultStr;     }             } ?>

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