Ajax gets API data of national weather forecast-JS Tutorial-php.cn

Ajax gets API data of national weather forecast

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Release： 2018-04-03 11:15:36

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This time I will bring you Ajax to obtain the national weather forecast API data. What are the precautions for Ajax to obtain the national weather forecast API data. The following is a practical case. Let’s take a look. take a look.

Preview (relatively simple and rough)

Aggregated data national weather forecast interface: https://www.juhe.cn /docs/api/id/39

Interface address: http://v.juhe.cn/weather/index
Supported format: json/xml
Request method: get
Request example: http://v.juhe.cn/weather/index?format=2&cityname=%E8%8B%8F%E5%B7%9E&key=KEY you applied for
Calling samples and debugging tools: API testing tool
Request parametersDescription:
Name type required description
cityname string Y City name or city ID, such as: "Suzhou", requires utf8 urlencode
dtype string N Return data format: json or xml, default json
format int N Two return formats for the next 6 days forecast (future), 1 or 2, default 1
key string Y The key you applied for

HTML part code:

<!DOCTYPE html>
<html lang="en">
<meta charset="UTF-8" >
<title>天气预报</title>
<script src="jquery-2.1.1.min.js"></script>
<link rel="stylesheet" href="w.css">
<p id="mf_weather">
<script src="w.js"></script>
<button id="search">天气查询</button>
<input id="city" type="text" value="tbody">
<p class="ctn">
<p id="mufeng">
</p>
<p id="future"></p>
</p> 
</html>

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JavaScript part:

/*
* 1.输入城市名
* 2，点击的时候发送请求
* 3.响应成功渲染页面
* */
$(&#39;#search&#39;).on(&#39;click&#39;,function(){
var city = $(&#39;#city&#39;).val()||&#39;北京&#39;;
$citycode=urlencode(city);
url=&#39;http://v.juhe.cn/weather/index?format=2&cityname=&#39;+$citycode+&#39;&key=c82727e986a4f6cfc6ba1984f1f9183a&#39;;
$.ajax({url: url,
dataType: "jsonp",
type:"get",
data:{location:city},
success:function(data){
var sk = data.result.sk;
var today = data.result.today;
var futur = data.result.future;
var fut = "日期温度天气风向";
$(&#39;#mufeng&#39;).html("<p>" + &#39;当前: &#39; + sk.temp + &#39;℃ , &#39; + sk.wind_direction + sk.wind_strength + &#39; , &#39; + &#39;空气湿度&#39; + sk.humidity + &#39; , 更新时间&#39; + sk.time + "</p><p style=&#39;
padding-bottom
: 10px;&#39;>" + today.city + &#39; 今天是: &#39; + today.date_y + &#39; &#39; + today.week + &#39; , &#39; + today.temperature + &#39; , &#39; + today.weather + &#39; , &#39; + today.wind + "<p></p>");
$(&#39;#future&#39;).html("<p>" + &#39;未来: &#39; + futur[0].temperature+ &#39;℃ , &#39; + futur[0].weather + futur[0].wind + &#39; , &#39; + &#39; , 更新时间&#39; + futur[0].week+futur[0].date + "</p><p style=&#39;padding-bottom: 10px;&#39;>" + today.city + "<p></p>");
} });
});
function urlencode (str) { 
str = (str + &#39;&#39;).toString(); 
return encodeURIComponent(str).replace(/!/g, &#39;%21&#39;).replace(/&#39;/g, &#39;%27&#39;).replace(/\(/g, &#39;%28&#39;). 
replace(/\)/g, &#39;%29&#39;).replace(/\*/g, &#39;%2A&#39;).replace(/%20/g, &#39;+&#39;); 
} 
})

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I believe you have mastered the method after reading the case in this article, more Please pay attention to other related articles on the php Chinese website!