微信公众号开发-输入城市查询天气
注册百度天气api
首先需要到百度地图API上申请一个专用key，申请链接为http://lbsyun.baidu.com/apiconsole/key
php程序
ask-weather.php，注意程序中需换上你自己的token和key
**
* 查询天气 输入城市名称比如：北京，即可返回天气信息
*/
//define your token
define("TOKEN", "******");//换上你自己的token
$wechatObj = new wechatCallbackapiTest();
if (!isset($_GET['echostr'])) {
$wechatObj->responseMsg();
}else{
$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)){
//解析数据
$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
//发送消息方ID
$fromUsername = $postObj->FromUserName;
//接收消息方ID
$toUsername = $postObj->ToUserName;
//消息类型
$form_MsgType = $postObj->MsgType;
$keyword = trim($postObj->Content);
$time = time();
$textTpl = "
%s ]]>
%s]]>
%s
%s]]>
%s]]>
0
";
$tqTpl = "
%s ]]>
%s]]>
%s
%s]]>
5
-
<![CDATA[<span class="hljs-variable">%s</span>]]>
%s]]>
%s]]>
%s]]>
-
<![CDATA[<span class="hljs-variable">%s</span>]]>
%s]]>
%s]]>
%s]]>
-
<![CDATA[<span class="hljs-variable">%s</span>]]>
%s]]>
%s]]>
%s]]>
-
<![CDATA[<span class="hljs-variable">%s</span>]]>
%s]]>
%s]]>
%s]]>
-
<![CDATA[<span class="hljs-variable">%s</span>]]>
%s]]>
%s]]>
%s]]>
";
//事件消息
if ($form_MsgType == "text") {
//获取用户发送的文字内容
$city = trim($postObj->Content);
if (!empty($city)){
$mykey = "**************************";//换上你自己的key
$url = "http://api.map.baidu.com/telematics/v3/weather?location=".$city."&output=json&ak=".$mykey;
$output = file_get_contents($url);
$contentStr = json_decode($output, true);
if($contentStr['status']=='success')
{
$T[0]['Title']=$contentStr['date']." ".$contentStr['results'][0]['currentCity']."天气";
//$T[0]['PicUrl']="http://zhengwairen-try2.stor.sinaapp.com/xytq.jpg";
//$T[0]['Url']="http://zhengwairen-try2.stor.sinaapp.com/xytq.jpg";
//上面两行可以设成你想要的顶部图片
if(is_array($contentStr['results'][0]['index']))
{
$T[2]['Title']="【pm2.5】".$contentStr['results'][0]['pm25']."\n"."【".$contentStr['results'][0]['index'][0]['title']."】"."(".$contentStr['results'][0]['index'][0]['zs'].") ".$contentStr['results'][0]['index'][0]['des'];
//下一行是洗车指数，感觉不对主题还是不要的好。。
//$T[2]['Title']=$T[2]['Title']."\n"."【".$contentStr['results'][0]['index'][1]['title']."】(".$contentStr['results'][0]['index'][1]['zs'].") ".$contentStr['results'][0]['index'][1]['des'];
//下一行是感冒指数
$T[2]['Title']=$T[2]['Title']."\n"."【".$contentStr['results'][0]['index'][2]['title']."】(".$contentStr['results'][0]['index'][2]['zs'].") ".$contentStr['results'][0]['index'][2]['des'];
//下一行是运动指数
$T[2]['Title']=$T[2]['Title']."\n"."【".$contentStr['results'][0]['index'][3]['title']."】(".$contentStr['results'][0]['index'][3]['zs'].") ".$contentStr['results'][0]['index'][3]['des'];
//下一行是紫外线指数
$T[2]['Title']=$T[2]['Title']."\n"."【".$contentStr['results'][0]['index'][4]['title']."】(".$contentStr['results'][0]['index'][4]['zs'].") ".$contentStr['results'][0]['index'][4]['des'];
}
else
$guowai=1;
for($i=1,$aaa=0;$i<=5;$i++)
{
if($i==2 && $guowai!=1)
continue;
if($guowai==1 && $i==5)
continue;
$T[$i]['Title']=$contentStr['results'][0]['weather_data'][$aaa]['date']." ".$contentStr['results'][0]['weather_data'][$aaa]['temperature']." ".$contentStr['results'][0]['weather_data'][$aaa]['weather']." ".$contentStr['results'][0]['weather_data'][$aaa]['wind'];
$T[$i]['PicUrl']=$contentStr['results'][0]['weather_data'][$aaa]['dayPictureUrl'];
$T[$i]['Url']=$contentStr['results'][0]['weather_data'][$aaa]['dayPictureUrl'];
$aaa++;
}
$resultStr = sprintf($tqTpl,$fromUsername,$toUsername,time(),"news",$T[0]['Title'],$T[0]['Description'],$T[0]['PicUrl'],$T[0]['Url'], $T[1]['Title'],$T[1]['Description'],$T[1]['PicUrl'],$T[1]['Url'], $T[2]['Title'],$T[2]['Description'],$T[2]['PicUrl'],$T[2]['Url'], $T[3]['Title'],$T[3]['Description'],$T[3]['PicUrl'],$T[3]['Url'], $T[4]['Title'],$T[4]['Description'],$T[4]['PicUrl'],$T[4]['Url'],$T[5]['Title'],$T[5]['Description'],$T[5]['PicUrl'],$T[5]['Url']);
//echo $resultStr;
}
}
echo $resultStr;
exit;
//事件消息
}elseif($form_MsgType=="event")
{
//获取事件类型
$form_Event = $postObj->Event;
//订阅事件
if($form_Event=="subscribe")
{
//回复欢迎文字消息
$msgType = "text";
$contentStr = "感谢您关注Super King的天气查询公众号[玫瑰]。请输入要查询的城市名称，比如：北京";
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, time(), $msgType, $contentStr);
echo $resultStr;
exit;
}
}
}else {
echo "";
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;
}
}
}
?>测试效果
