• [Yii Framework] 使用Yii Framework开发微信公众平台


    1. 先到微信公众平台注册帐号

    http://mp.weixin.qq.com

    2. 下载demo

    微信公众平台提供了一个十分“朴素”的demo,说明如何调用消息接口的。代码真的很朴素,具体内容可到官网下载。

    3. 按照Yii的规则,做一个extension。

    这里命名为 weixin,目录结构如下:

    ▾ extensions/
          ▾ weixin/
              Weixin.php*
     
    Weixin.php代码内容:
    <?php
    
    /**
     * WeixinCallback 
     * 
     * @package 
     * @version $id$
     * @copyright 1997-2005 The PHP Group
     * @author davidhhuan@126.com
     * {@link http://www.sharefamily.net}
     */
    class Weixin
    {
    	//$_GET参数
    	public $signature;
    	public $timestamp;
    	public $nonce;
    	public $echostr;
    	//
    	public $token;
    	public $debug = false;
    	public $msg = array();
    	public $setFlag = false;
    
    	/**
    	 * __construct 
    	 * 
    	 * @param mixed $params 
    	 * @access public
    	 * @return void
    	 */
    	public function __construct($params)
    	{
    		foreach ($params as $k1 => $v1)
    		{
    			if (property_exists($this, $k1))
    			{
    				$this->$k1 = $v1;
    			}
    		}
    	}
    	
    	/**
    	 * valid 
    	 * 
    	 * @access public
    	 * @return void
    	 */
    	public function valid()
        {
            //valid signature , option
            if($this->checkSignature()){
            	echo $this->echostr;
    			Yii::app()->end();
            }
    	}
    
    	/**
    	 * 获得用户发过来的消息(消息内容和消息类型  ) 
    	 * 
    	 * @access public
    	 * @return void
    	 */
    	public function init()
    	{
    		$postStr = empty($GLOBALS["HTTP_RAW_POST_DATA"]) ? '' : $GLOBALS["HTTP_RAW_POST_DATA"];
    		if ($this->debug) 
    		{
            	$this->log($postStr);
            }
            if (!empty($postStr)) {
                $this->msg = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
            }
    	}
    
    	/**
    	 * makeEvent 
    	 * 
    	 * @access public
    	 * @return void
    	 */
    	public function makeEvent()
    	{
    		
    	}
    
        /**
         * 回复文本消息 
         * 
         * @param string $text 
         * @access public
         * @return void
         */
        public function makeText($text='')
        {
            $createTime = time();
            $funcFlag = $this->setFlag ? 1 : 0;
            $textTpl = "<xml>
                <ToUserName><![CDATA[{$this->msg->FromUserName}]]></ToUserName>
                <FromUserName><![CDATA[{$this->msg->ToUserName}]]></FromUserName>
                <CreateTime>{$createTime}</CreateTime>
                <MsgType><![CDATA[text]]></MsgType>
                <Content><![CDATA[%s]]></Content>
                <FuncFlag>%s</FuncFlag>
                </xml>";
            return sprintf($textTpl,$text,$funcFlag);
    	}
    	
    	/**
         * 根据数组参数回复图文消息 
         * 
         * @param array $newsData 
         * @access public
         * @return void
         */
        public function makeNews($newsData=array())
        {
            $createTime = time();
            $funcFlag = $this->setFlag ? 1 : 0;
            $newTplHeader = "<xml>
                <ToUserName><![CDATA[{$this->msg->FromUserName}]]></ToUserName>
                <FromUserName><![CDATA[{$this->msg->ToUserName}]]></FromUserName>
                <CreateTime>{$createTime}</CreateTime>
                <MsgType><![CDATA[news]]></MsgType>
                <ArticleCount>%s</ArticleCount><Articles>";
            $newTplItem = "<item>
                <Title><![CDATA[%s]]></Title>
                <Description><![CDATA[%s]]></Description>
                <PicUrl><![CDATA[%s]]></PicUrl>
                <Url><![CDATA[%s]]></Url>
                </item>";
            $newTplFoot = "</Articles>
                <FuncFlag>%s</FuncFlag>
                </xml>";
            $content = '';
    		$itemsCount = count($newsData['items']);
    		//微信公众平台图文回复的消息一次最多10条
            $itemsCount = $itemsCount < 10 ? $itemsCount : 10;
            if ($itemsCount) {
                foreach ($newsData['items'] as $key => $item) {
    				if ($key<=9) {
                        $content .= sprintf($newTplItem,$item['title'],$item['description'],$item['picurl'],$item['url']);
                    }
                }
            }
            $header = sprintf($newTplHeader,$itemsCount);
            $footer = sprintf($newTplFoot,$funcFlag);
            return $header . $content . $footer;
    	}
    
        /**
         * reply 
         * 
         * @param mixed $data 
         * @access public
         * @return void
         */
        public function reply($data)
        {
    		if ($this->debug) 
    		{
            	$this->log($data);
            }
            echo $data;
        }
    
    	/**
    	 * checkSignature 
    	 * 
    	 * @access private
    	 * @return void
    	 */
    	private function checkSignature()
    	{
    		$tmpArr = array($this->token, $this->timestamp, $this->nonce);
    		sort($tmpArr);
    		$tmpStr = implode( $tmpArr );
    		$tmpStr = sha1( $tmpStr );
    		
    		if( $tmpStr == $this->signature ){
    			return true;
    		}else{
    			return false;
    		}
    	}
    
    	/**
    	 * log 
    	 * 
    	 * @access private
    	 * @return void
    	 */
    	private function log($log)
    	{
    		if ($this->debug)
    		{
    			file_put_contents(Yii::getPathOfAlias('application').'/runtime/weixin_log.txt', var_export($log, true)."\n\r", FILE_APPEND);
    		}
    	}
    }
    

      

     
    使用方法,这里举例在SiteController里面
    /**
    	 * actionIndex 
    	 * 
    	 * @access public
    	 * @return void
    	 */
    	public function actionIndex()
    	{
    		$weixin = new Weixin($_GET);
    		$weixin->token = $this->_weixinToken;
    		//$weixin->debug = true;
    
    		//网址接入时使用
    		if (isset($_GET['echostr']))
    		{
    			$weixin->valid();
    		}
    		
    		$weixin->init();
    		$reply = '';
    		$msgType = empty($weixin->msg->MsgType) ? '' : strtolower($weixin->msg->MsgType);
    		switch ($msgType)
    		{
    		case 'text':
    			//你要处理文本消息代码
    			break;
    		case 'image':
    			//你要处理图文消息代码
    			break;
    		case 'location':
    			//你要处理位置消息代码
    			break;
    		case 'link':
    			//你要处理链接消息代码
    			break;
    		case 'event':
    			//你要处理事件消息代码
    			break;
    		default: 
    			//无效消息情况下的处理方式
    			break;
    		}
    		$weixin->reply($reply);
    	}
     
     
    至此,基本的逻辑都实现了
     
    这里打个小广告,欢迎关注微信公众号:multibirds
     
    Have fun with Yii!
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  • 原文地址:https://www.cnblogs.com/davidhhuan/p/2996526.html
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