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 = &#39;http://api.map.baidu.com/telematics/v3/weather?ak=%s&location=%s&output=%s&sk=%s&#39;; 
  $uri = &#39;/telematics/v3/weather&#39;; 
 
  $location = $cityName; 
  $output = &#39;json&#39;; 
  $querystring_arrays = array( 
   &#39;ak&#39; => $ak, 
   &#39;location&#39; => $location, 
   &#39;output&#39; => $output 
  ); 
 
  $querystring = http_build_query($querystring_arrays); 
  //生成sn 
  $sn = md5(urlencode($uri.&#39;?&#39;.$querystring.$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(&#39;H&#39;,time()); 
  $weather = $result["results"][0]; 
  $weatherArray[]=array("Title"=>$weather[&#39;currentCity&#39;]."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; 
 }