微信开发者模式demo

2024-04-11 19:03:43

官方demo文件：wx_sample.php

<?php
/**
  * wechat php test
  */

//define your token
define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
$wechatObj->valid();

class wechatCallbackapiTest
{
	public function valid()
    {
        $echoStr = $_GET["echostr"];

        //valid signature , option
        if($this->checkSignature()){
        	echo $echoStr;
        	exit;
        }
    }

    public function responseMsg()
    {
		//get post data, May be due to the different environments
		$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];

      	//extract post data
		if (!empty($postStr)){
                /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
                   the best way is to check the validity of xml by yourself */
                libxml_disable_entity_loader(true);
              	$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
                $fromUsername = $postObj->FromUserName;
                $toUsername = $postObj->ToUserName;
                $keyword = trim($postObj->Content);
                $time = time();
                $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>";             
				if(!empty( $keyword ))
                {
              		$msgType = "text";
                	$contentStr = "Welcome to wechat world!";
                	$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                	echo $resultStr;
                }else{
                	echo "Input something...";
                }

        }else {
        	echo "";
        	exit;
        }
    }
		
	private function checkSignature()
	{
        // you must define TOKEN by yourself
        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, $nonce);
        // use SORT_STRING rule
		sort($tmpArr, SORT_STRING);
		$tmpStr = implode( $tmpArr );
		$tmpStr = sha1( $tmpStr );
		
		if( $tmpStr == $signature ){
			return true;
		}else{
			return false;
		}
	}
}

?>

在此基础上封装的

<?php

require 'Wechat.class.php';
/**
  * 微信接口文件
  */

//define your token
define("TOKEN", "token");

class WeiXin extends Wechat
{
	public function valid()
    {
        $echoStr = $_GET["echostr"];

        //valid signature , option
        if($this->checkSignature()){
        	echo $echoStr;
        	exit;
        }
    }

    public function responseMsg()
    {
        /**
         * 处理微信服务器发送过来xml数据
         */
        //get post data, May be due to the different environments
        // 获取微信服务器发送过来的xml数据
        $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];

        //extract post data
        //判断是否为微信访问
        if (!empty($postStr)){
                /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
                   the best way is to check the validity of xml by yourself */
                libxml_disable_entity_loader(true);
                // 将获取xml数据转成simple对象
                $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
                $fromUsername = $postObj->FromUserName;
                $toUsername = $postObj->ToUserName;
                $keyword = trim($postObj->Content);
                $time = time();


                 /**
                 * 响应消息
                 */                    
                
                switch ($postObj->MsgType) {
                    case "text":
                        if($keyword == "文本"){
                            $this->sendText($fromUsername, $toUsername, "你要的是文本!");
                        }elseif($keyword == "图片"){
                            //$img = "Orlaq3o42ukYZG_6cPu5-RVKYiRneHaR-iIcQvrHzqPaLaK4JymWGYuVsbCR_5o-";
                            $file = dirname(__FILE__)."/pic/23.jpg"; // 返回的图片信息
                  	  		$media_id = $this->getMediaId($file, 'image');  // 获取图片的media_id 
                            $this->sendImg($fromUsername, $toUsername,$img);
                        }elseif($keyword == "视频"){
                            $vid1 = "5mYa7-YoFgHlAN09G0VVsFVf0rwec0D1_Ed1TfBv1vbl1UNH7KgBFpYVtL5DiG1F";
                            $this->sendVideo($fromUsername, $toUsername,$vid1,"^-^","看看这是谁");
                        }elseif($keyword == "音乐"){
                            $musicUrl1 = "http://47.106.71.212/music/TakeMeToYourHeart.mp3";
                            //音乐缩略图
                            $thumbMediaId1 = "3X4HZhK6Qvq9Dw_shLX5wslP3da6keykdtahtZzuy-qJ7iUnyzybYc8n6yv8a41u";
                            $this->sendMusic($fromUsername, $toUsername,"Take Me To Your Heart","动听的相思歌曲",$musicUrl1,$thumbMediaId1);
                        }elseif($keyword == "单图文"){
                            $test1 = array(
                                array(
                                    "title"       => "测试title",
                                    "description" => "测试description",
                                    "picurl"      => "http://47.106.71.212/pic/23.jpg",
                                    "url"         => "http://www.nhphp.com"
                            )
                            ); 
                            $this->sendImgArticle($fromUsername, $toUsername,$test1);
                        }elseif($keyword == "多图文"){
                            $test2 = [
                                [
                                    "title"       => "测试多图文title",
                                    "description" => "测试多图文description",
                                    "picurl"      => "http://47.106.71.212/pic/9.jpg",
                                    "url"         => "http://www.nhphp.com"
                                ],
                                [
                                    "title"       => "美丽中国",
                                    "description" => "中国很美丽",
                                    "picurl"      => "http://47.106.71.212/pic/c.jpg",
                                    "url"         => "http://47.106.71.212/密钥.txt"
                                ],
                                [
                                    "title"       => "美丽肉肉",
                                    "description" => "肉肉很可爱",
                                    "picurl"      => "http://47.106.71.212/pic/rr.jpg",
                                    "url"         => "http://www.nhphp.com"
                                ]
                            ];
                             
                            $this->sendImgArticle($fromUsername, $toUsername,$test2);
                        }

                        break;
                    case "image":
                        $this->sendText($fromUsername, $toUsername, "你输入的是图片!");
                        break;
                    case "event":
                        if($postObj->Event == "subscribe"){
                            $this->sendText($fromUsername, $toUsername, "欢迎关注“PHP各种不明白^-^”!");
                        }elseif($postObj->Event == "unsubscribe"){
                            //$this->sendText($fromUsername, $toUsername, "欢迎再次关注!");
                        }elseif($postObj->Event == "CLICK" && $postObj->EventKey == "V1001_TODAY_MUSIC"){
                            $musicUrl1 = "http://47.106.71.212/music/TakeMeToYourHeart.mp3";
                            //音乐缩略图
                            $thumbMediaId1 = "3X4HZhK6Qvq9Dw_shLX5wslP3da6keykdtahtZzuy-qJ7iUnyzybYc8n6yv8a41u";
                            $this->sendMusic($fromUsername, $toUsername,"Take Me To Your Heart","动听的相思歌曲",$musicUrl1,$thumbMediaId1);
                        }elseif($postObj->Event == "CLICK" && $postObj->EventKey == "V1001_TODAY_TEX"){
                            $this->sendText($fromUsername, $toUsername, "这是一个美丽的故事......!");
                        }elseif($postObj->Event == "CLICK" && $postObj->EventKey == "V1001_TODAY_VOIDE"){
                            $vid1 = "5mYa7-YoFgHlAN09G0VVsFVf0rwec0D1_Ed1TfBv1vbl1UNH7KgBFpYVtL5DiG1F";
                            $this->sendVideo($fromUsername, $toUsername,$vid1,"^-^","看看这是谁");
                        }elseif($postObj->Event == 'CLICK' && $postObj->EventKey == 'V1001_TODAY_IMGARTICLE'){
                            $this->sendText($fromUsername, $toUsername, '图文还没写');
                        }
                        break;
                    default:
                        $this->sendText($fromUsername, $toUsername, "你输入的是我不认识的格式!");
                        break;  
                }                            

        }else {
            echo "网页访问显示";
            exit;
        }
    }

    //自定义响应函数
    /**
     * 回复文本消息
     * @param  string $fromUsername 微信用户
     * @param  string $toUsername   微信公众帐号
     * @param  string $content      回复文本的内容
     */
    public function sendText($fromUsername, $toUsername, $content)
    {
        $textTpl = "<xml>
                        <ToUserName><![CDATA[%s]]></ToUserName>
                        <FromUserName><![CDATA[%s]]></FromUserName>
                        <CreateTime>%s</CreateTime>
                        <MsgType><![CDATA[text]]></MsgType>
                        <Content><![CDATA[%s]]></Content>
                        <FuncFlag>0</FuncFlag>
                    </xml>"; 
        $resultStr = sprintf($textTpl, $fromUsername, $toUsername, time(), $content);
        echo $resultStr;
    }

    /**
     * 回复图片消息
     * @param  string $fromUsername 微信用户
     * @param  string $toUsername   微信公众帐号
     * @param  string $media_id     回复图片的media_id
     */
    public function sendImg($fromUsername, $toUsername,$media_id)
    {
        $imgTpl = "<xml>
                        <ToUserName><![CDATA[%s]]></ToUserName>
                        <FromUserName><![CDATA[%s]]></FromUserName>
                        <CreateTime>%s</CreateTime>
                        <MsgType><![CDATA[image]]></MsgType>
                        <Image>
                            <MediaId><![CDATA[%s]]></MediaId>
                        </Image>
                    </xml>"; 
        $resultStr = sprintf($imgTpl, $fromUsername, $toUsername, time(), $media_id);
        echo $resultStr;
    }

    /**
     * 回复视频消息
     * @param  string $fromUsername 微信用户
     * @param  string $toUsername   微信公众帐号
     * @param  string $media_id     回复视频的media_id
     * @param  string $title        回复视频的标题
     * @param  string $description  回复视频的描述
     */
    public function sendVideo($fromUsername, $toUsername,$media_id,$title,$description)
    {
        $videoTpl = "<xml>
                        <ToUserName><![CDATA[%s]]></ToUserName>
                        <FromUserName><![CDATA[%s]]></FromUserName>
                        <CreateTime>%s</CreateTime>
                        <MsgType><![CDATA[video]]></MsgType>
                        <Video>
                            <MediaId><![CDATA[%s]]></MediaId>
                            <Title><![CDATA[%s]]></Title>
                            <Description><![CDATA[%s]]></Description>
                        </Video>
                    </xml>"; 
        $resultStr = sprintf($videoTpl, $fromUsername, $toUsername, time(), $media_id,$title,$description);
        echo $resultStr;
    }

    /**
     * 回复音乐消息
     * @param  string $fromUsername 微信用户
     * @param  string $toUsername   微信公众帐号
     * @param  string $content      回复文本的内容
     * @param  string $title        回复音乐的标题
     * @param  string $description  回复音乐的描述
     * @param  string $description  回复音乐的地址
     * @param  string $description  回复音乐的缩略图的mediaid
     */
    public function sendMusic($fromUsername, $toUsername,$title,$description,$musicUrl,$thumbMediaId)
    {
        $musicTpl = "<xml>
                        <ToUserName><![CDATA[%s]]></ToUserName>
                        <FromUserName><![CDATA[%s]]></FromUserName>
                        <CreateTime>%s</CreateTime>
                        <MsgType><![CDATA[music]]></MsgType>
                        <Music>
                            <Title><![CDATA[%s]]></Title>
                            <Description><![CDATA[%s]]></Description>
                            <MusicUrl><![CDATA[%s]]></MusicUrl>
                            <HQMusicUrl><![CDATA[%s]]></HQMusicUrl>
                            <ThumbMediaId><![CDATA[%s]]></ThumbMediaId>
                        </Music>
                    </xml>"; 
        
        $resultStr = sprintf($musicTpl, $fromUsername, $toUsername, time(),$title,$description,$musicUrl,$musicUrl,$thumbMediaId);
        echo $resultStr;
    }


    /**
     * 回复图文消息
     * @param  string $fromUsername 微信用户
     * @param  string $toUsername   微信公众帐号
     * @param  string $array        回复图文消息的数组['title','description','picurl','url']
     */
    public function sendImgArticle($fromUsername, $toUsername,$array)
    {
        $artTpl  = "<xml>
                        <ToUserName><![CDATA[%s]]></ToUserName>
                        <FromUserName><![CDATA[%s]]></FromUserName>
                        <CreateTime>%s</CreateTime>
                        <MsgType><![CDATA[news]]></MsgType>
                        <ArticleCount>%s</ArticleCount>
                        <Articles>";
                foreach($array as $val){
                    $artTpl .= "<item>
                                <Title><![CDATA[{$val['title']}]]></Title> 
                                <Description><![CDATA[{$val['description']}]]></Description>
                                <PicUrl><![CDATA[{$val['picurl']}]]></PicUrl>
                                <Url><![CDATA[{$val['url']}]]></Url>
                            </item>";
                }

            $artTpl .= "</Articles>
                    </xml>"; 
        $resultStr = sprintf($artTpl, $fromUsername, $toUsername, time(),count($array));
        echo $resultStr;
    }


               

    /**
     * 验证加密签名
     */
	private function checkSignature()
	{
        // you must define TOKEN by yourself
        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, $nonce);
        // use SORT_STRING rule
		sort($tmpArr, SORT_STRING);
		$tmpStr = implode( $tmpArr );
		$tmpStr = sha1( $tmpStr );
		
		if( $tmpStr == $signature ){
			return true;
		}else{
			return false;
		}
	}
}

$wechatObj = new WeiXin();
//$wechatObj->valid();//验证服务器的方法，成功之后注释
$wechatObj->responseMsg(); //开启消息自动回复


?>

引用的封装Wechat.class.php内容如下

<?php
/**
 * 微信工具类
 */
define("APPID", ''); // 开发者ID
define("SECRET", ''); // 开发者密钥

class Wechat{
	/**
	 * 新增素材
	 * @param  string $file 新增的素材
	 * @param  string $type 新增的素材类型
	 * @return string       新增素材的media_id
	 */
	public function getMediaId($file, $type){
		// 设置接口参数
		$param = array(
			'access_token'	=> $this->getAccessToken(),
			'type'			=> $type
		);
		$api = "https://api.weixin.qq.com/cgi-bin/media/upload?".http_build_query($param);
		$postData = array(
			'media'	=> new CURLFile($file), #获取文件信息
		);
		// 发送请求
		$rs = $this->httpRequest($api, $postData);
		// 将json字符串转成php数组
		$data = json_decode($rs, true);
		return $data['media_id'];
	}

	/**
	 * 获取access_token
	 * @return string access_token值
	 */
	public function getAccessToken(){
		// 设置接口参数
		$param = array(
			'appid'		=> APPID,
			'secret'	=> SECRET,
		);
		$api = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&'.http_build_query($param);
		// 发送接口请求
		$rs = $this->httpRequest($api);
		// 将获取的json字符串转成php数组
		$data = json_decode($rs, true);
		return $data['access_token'];
	}
	/**
	 * 发送http请求
	 * @param  string $url      请求地址
	 * @param  array  $postData 请求(post)发送的数据
	 * @return string           获取的数据
	 */
	public function httpRequest($url, $postData=array()){
		// （1）初始化
		$ch = curl_init();
		// （2）设置选项
			// 设置请求的url
			curl_setopt($ch, CURLOPT_URL, $url);
			// 将curl_exec()获取的数据以字符串返回，而不是直接输出。
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

			if(!empty($postData)){
				// 设置请求方式为post
				curl_setopt($ch, CURLOPT_POST, true);
				curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
			}
			//curl注意事项，如果发送的请求是https，必须要禁止服务器端校检SSL证书
			curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
			curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

		// （3）执行
		$result = curl_exec($ch); 
		// （4）关闭
		curl_close($ch);
		return $result;
	}
}
$obj = new Wechat();
$res = $obj->getAccessToken();
var_dump($res);

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