微信公眾平台開發(78) 笑話


微信公眾平台上實現笑話是個很受歡迎的功能,經常有人問怎么做笑話,方倍工作室提供了接口100里面有個笑話API的。

笑話接口為:

013. 笑話

http://apix.sinaapp.com/joke/?appkey=trialuser

返回如下:

"有三個准球迷,國籍是中、日、韓,死后同時到了上帝的面前,上帝對他們說:“按照慣例你們每人可以問一個問題。”日本球迷最先問:“日本何時拿到大力神杯?”上帝說:“還要50年!”日本球迷流着眼淚離開了。韓國球迷問了同樣的問題,上帝說還要100年,韓國球迷同樣哭着走了。中國球迷也問上帝:“大力神何日落戶中國?”上帝走上前緊緊地握住他的手,上帝哭了。"
"老師問:“鐵放在外面,常和空氣接觸,就會生銹。那么金呢?”學生答:“會被偷。”"
"妻子比平時晚回來了兩小時,丈夫大發雷霆:“干什么去了,怎么晚了兩個小時!” “實在對不起。不過也沒有辦法,車站的自動扶梯壞了,我正站在扶梯上,只好一直等到故障完全排除。” “什么?你說你在扶梯上站了兩個小時?你真是個傻瓜!你干嘛不坐着等呢?!”"

 

實現很簡單,直接調用笑話接口即可

 

<?php
/*
    方倍工作室
    CopyRight 2013 All Rights Reserved
*/

define("TOKEN", "weixin");

$wechatObj = new wechatCallbackapiTest();
if (!isset($_GET['echostr'])) {
    $wechatObj->responseMsg();
}else{
    $wechatObj->valid();
}

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;
        }
    }

    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 "event":
                    $resultStr = $this->receiveEvent($postObj);
                    break;
                default:
                    $resultStr = "";
                    break;
            }
            echo $resultStr;
        }else {
            echo "";
            exit;
        }
    }

    private function receiveText($object)
    {
        $keyword = trim($object->Content);
        $url = "http://apix.sinaapp.com/joke/?appkey=trialuser";
        $output = file_get_contents($url);
        $contentStr = json_decode($output, true);
        
        if (is_array($contentStr)){
            $resultStr = $this->transmitNews($object, $contentStr);
        }else{
            $resultStr = $this->transmitText($object, $contentStr);
        }
        return $resultStr;
    }

    private function receiveEvent($object)
    {
        $contentStr = "";
        switch ($object->Event)
        {
            case "subscribe":
                $contentStr = "歡迎關注方倍工作室";
                break;
            default:
                break;
        }
        $resultStr = $this->transmitText($object, $contentStr);
        return $resultStr;
    }
    
    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;
    }

    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;
    }
}
?>

 


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