微信公众号最佳实践 （ 7.1）天气预报

天气预报

中国天气网的api申请很困难，可以使用百度天气的api，weather2.php为百度天气接口代码

index.php

weather2.php

<?php

//var_dump(getWeatherInfo("桃江"));

function getWeatherInfo($cityName)
{
          
   
    if ($cityName == "" || (strstr($cityName, "+"))){
        return "发送天气加城市，例如天气深圳";
    }
         //1a3cde429f38434f1811a75e1a90310c
    $ak = 1a3cde429f38434f1811a75e1a90310c;
    $sk = ;
    $url = http://api.map.baidu.com/telematics/v3/weather?ak=%s&location=%s&output=%s&sn=%s;
    $uri = /telematics/v3/weather;
    $location = $cityName;
    $output = json;
    $querystring_arrays = array(
        ak => $ak,
        location => $location,
        output => $output
    );
    $querystring = http_build_query($querystring_arrays);
    $sn = md5(urlencode($uri.?.$querystring.$sk));
    $targetUrl = sprintf($url, $ak, urlencode($location), $output, $sn);
    // var_dump($targetUrl);
    $ch = curl_init();
    curl_setopt($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]["date"]."
".
            $weather["weather_data"][$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;
}


?>