微信公众号天气查询接口实例

这是来自百度API的一个天气查询的接口，支持历史7天和未来4天的天气情况查询，接口不错，分享给大家。

接口申请地址：http://apistore.baidu.com/apiworks/servicedetail/112.html

首先，获取一下apikey（貌似需要手机验证码认证下）

我调用的是历史7天和未来4天的接口，接口地址是：

http://apis.baidu.com/apistore/weatherservice/recentweathers

我将这个天气查询的功能集成在了微信公众平台上，支持未来4天天气查询，包括：当前温度、pm值、风向、风力、最高温度、最低温度、天气状态的查询，效果如下：

闲话不多说，我就喜欢来点直接的，核心代码如下：

 1 //接收到文本信息 2     private function receiveText($object){ 3         //多个空格缩为一个 4         $keyword = $object->Content; 5         $keyword=preg_replace("/s(?=s)/","\1",$keyword); 6         $funcFlag = 0; 7         if(strpos($keyword," ")){ 8             //echo '有空格'; 9             $arr = explode(" ",$keyword);10             if($arr[0]=="天气"){11                 $dateArray = array();12                 $ch = curl_init();13                 $city=urlencode($arr[1]);14                 $url = 'http://apis.baidu.com/apistore/weatherservice/recentweathers?cityname='.$city;15                 $header = array(16                     'apikey: 6512ad3a465e3a9e3d0d1da56639626c',17                 );18                 curl_setopt($ch, CURLOPT_HTTPHEADER  , $header);19                 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);20                 curl_setopt($ch , CURLOPT_URL , $url);21                 $res = curl_exec($ch);22                 $data = json_decode($res,true);23                 $cityname=$data['retData']['city'];24                 $citydate=$data['retData']['today']['date'];25                 $cityweek=$data['retData']['today']['week'];26                 $citytemp=$data['retData']['today']['curTemp'];27                 $citypm=$data['retData']['today']['aqi'];28                 $cityhightemp=$data['retData']['today']['hightemp'];29                 $citylowtemp=$data['retData']['today']['lowtemp'];30                 $citytype=$data['retData']['today']['type'];31                 $cityfengli=$data['retData']['today']['fengli'];32                 $cityfengxiang=$data['retData']['today']['fengxiang'];33                 $cityforecast=$data['retData']['forecast'];34 35                 $out="今日温度：".$citylowtemp."~".$cityhightemp."nr"."当前温度：".$citytemp."nr"."天气情况：".$citytype."nr"."PM2.5值：".$citypm."nr风向风力：".$cityfengxiang." ".$cityfengli;36                 $dateArray[] = array("Title"=>$cityname."nr".$citydate." ".$cityweek,"Description"=>"","Picurl"=>"","Url" =>"");37                 $dateArray[] = array("Title"=>$out,"Description"=>"","Picurl"=>"","Url" =>"");38                 for($i=0;$i<count($cityforecast);$i++){39                     $outstr="☀ ".$cityforecast[$i]["date"]." ".$cityforecast[$i]["week"]."nr气温：".$cityforecast[$i]["lowtemp"]."~".$cityforecast[$i]["hightemp"]."nr风力：".$cityforecast[$i]["fengxiang"]." ".$cityforecast[$i]["fengli"]."nr天气：".$cityforecast[$i]["type"];40                     $dateArray[] = array("Title"=>$outstr,"Description"=>"","Picurl"=>"","Url" =>"");41                 }42                 $resultStr = $this->transmitNews($object, $dateArray, $funcFlag);43             }44         }else{45             //echo '没有空格';46             if($keyword=="天气"){47                 $dateArray = array();48                 $dateArray[] = array("Title"=>"查询格式错误","Description"=>"","Picurl"=>"","Url" =>"");49                 $dateArray[] = array("Title"=>"正确格式例：天气 北京","Description"=>"","Picurl"=>"","Url" =>"");50                 $resultStr = $this->transmitNews($object, $dateArray, $funcFlag);51             }52         }53         return $resultStr; 54     }

查询格式：“天气城市名”

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