微信公众平台开发(78) 笑话

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

"有三个准球迷,国籍是中、日、韩，死后同时到了上帝的面前，上帝对他们说：“按照惯例你们每人可以问一个问题。”日本球迷最先问：“日本何时拿到大力神杯？”上帝说：“还要50年！”日本球迷流着眼泪离开了。韩国球迷问了同样的问题，上帝说还要100年，韩国球迷同样哭着走了。中国球迷也问上帝：“大力神何日落户中国？”上帝走上前紧紧地握住他的手，上帝哭了。"

"老师问：“铁放在外面，常和空气接触，就会生锈。那么金呢？”学生答：“会被偷。”"

"妻子比平时晚回来了两小时，丈夫大发雷霆：“干什么去了，怎么晚了两个小时！” “实在对不起。不过也没有办法，车站的自动扶梯坏了，我正站在扶梯上，只好一直等到故障完全排除。” “什么？你说你在扶梯上站了两个小时？你真是个傻瓜！你干嘛不坐着等呢？！”"

<?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 = "欢迎关注方倍工作室";
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;
}
}
?>