微信开发-天气预报功能

这篇文章主要为大家详细介绍了php微信开发之百度天气预报的相关资料,具有一定的参考价值，感兴趣的小伙伴们可以参考一下

本文实例为大家分享了php微信百度天气预报的开发代码，供大家参考，具体内容如下

1.登录百度ak申请：http://www.php.cn/

2.实现天气信息功能

Weather.php <?php /*** 使用百度天气预报接口获取城市天气信息案例实现*///获取城市天气信息function getWeatherInfo($cityName){if($cityName == "" || (strstr($cityName,"+"))){return "发送城市加天气,例如北京天气";}//获取到的ak$ak = your ak;//获取到的sk$sk = your sk;//调用接口$url = 'http://api.map.baidu.com/telematics/v3/weather?ak=%s&location=%s&output=%s&sk=%s';$uri = '/telematics/v3/weather';$location = $cityName;$output = 'json';$querystring_arrays = array('ak' => $ak,'location' => $location,'output' => $output);$querystring = http_build_query($querystring_arrays);//生成sn$sn = md5(urlencode($uri.'?'.$querystring.$sk));$targetUrl = sprintf($url,$ak,urlencode($location),$output,$sn);$ch = curl_init();curl_setopt($ch,CURLOPT_URL,$targetUrl);curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);$result = curl_exec($ch);curl_close($ch);$result = json_decode($result,true);if($result["error"]!=0){return $result["status"];}$curHour = (int)date('H',time());$weather = $result["results"][0];$weatherArray[]=array("Title"=>$weather['currentCity']."天气预报","Description"=>"","PicUrl"=>"","Url"=>"");for($i = 0;$i<count($weather["weather_data"]);$i++){$weatherArray[] = array("Title"=>$weather["weather_data"][$i]["data"]."n".$weather["weather_data"][$i]["weather"].$weather["weather_data"][$i]["wind"].$weather["weather_data"][$i]["temperature"],"Description"=>"","PicUrl"=>(($curHour>=6)&&($curHour<18))?$weather["weather_data"][$i]["dayPictureUrl"]:$weather["weather_data"][$i]["nightPictureUrl"],"URL"=>"");}return $weatherArray;}3.实现天气消息事件<?php /*CopyRight 2016 All Rights Reserved */define("TOKEN", "weixin"); /*** 百度天气预报案例实现* 实现思路：* 1.申请ak、sk* 2.使用天气预报接口* 3.实现天气信息功能* 4.实现事件响应功能*/ $wechatObj = new wechatCallbackapiTest(); if (!isset($_GET['echostr'])) {$wechatObj->responseMsg(); }else{$wechatObj->valid(); }class wechatCallbackapiTest {//验证签名public function valid(){$echoStr = $_GET["echostr"];if($this->checkSignature()){header('content-type:text');echo $echoStr;exit;}}public function checkSignature(){$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 == $signature) {return true;}else{return false;}}//响应消息public function responseMsg(){$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];if (!empty($postStr)){$this->logger("R ".$postStr);$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);$RX_TYPE = trim($postObj->MsgType);//消息类型分离switch ($RX_TYPE){case "event":$result = $this->receiveEvent($postObj);break;case "text":$result = $this->receiveText($postObj);break;default:$result = "unknown msg type: ".$RX_TYPE;break;}echo $result;}else {echo "";exit;}}//接收事件消息public function receiveEvent($object){$content = "";switch ($object->Event){case "subscribe":$content = "欢迎关注Nicky的公众号 ";$content .= (!empty($object->EventKey))?("n来自二维码场景 ".str_replace("qrscene_","",$object->EventKey)):"";break;case "unsubscribe":$content = "取消关注";break;}$result = $this->transmitText($object, $content);return $result;}//接收文本消息public function receiveText($object){$keyword = trim($object->Content);//自动回复模式if (strstr($keyword, "天气")){$city = str_replace('天气','',$keyword);include("weather.php");$content = getWeatherInfo($city);}$result = $this->transmitNews($object, $content);return $result;}//回复图文消息public function transmitNews($object, $newsArray){if(!is_array($newsArray)){return;}$itemTpl = " <item><Title><![CDATA[%s]]></Title><Description><![CDATA[%s]]></Description><PicUrl><![CDATA[%s]]></PicUrl><Url><![CDATA[%s]]></Url></item> ";$item_str = "";foreach ($newsArray as $item){$item_str .= sprintf($itemTpl, $item['Title'], $item['Description'], $item['PicUrl'], $item['Url']);}$xmlTpl = "<xml> <ToUserName><![CDATA[%s]]></ToUserName> <FromUserName><![CDATA[%s]]></FromUserName> <CreateTime>%s</CreateTime> <MsgType><![CDATA[news]]></MsgType> <ArticleCount>%s</ArticleCount> <Articles> $item_str</Articles> </xml>";$result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time(), count($newsArray));return $result;}//日志记录public function logger($log_content){if(isset($_SERVER['HTTP_APPNAME'])){ //SAEsae_set_display_errors(false);sae_debug($log_content);sae_set_display_errors(true);}else if($_SERVER['REMOTE_ADDR'] != "127.0.0.1"){ //LOCAL$max_size = 10000;$log_filename = "log.xml";if(file_exists($log_filename) and (abs(filesize($log_filename)) > $max_size)){unlink($log_filename);}file_put_contents($log_filename, date('H:i:s')." ".$log_content."rn", FILE_APPEND);}}} ?>

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