天气预报

使用Weather插件，获取指定地区的天气信息，可用于天气查询等场景。

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          <!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
    <title>天气预报查询</title>
    <link rel="stylesheet" href="http://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css" />
    <style type="text/css">
        html,body,#container{
            height:100%;
        }
        .weather{
            width:5rem;
            display:inline-block;
            padding-left:0.5rem;
        }
        .sharp{
            height: 1rem;
            width: 1rem;
            background-color: white;
            transform: rotateZ(45deg);
            box-shadow: 2px 2px 3px rgba(114, 124, 245, .5);
            position: inherit;
            margin-left: 10.5rem;
            margin-top: -6px;
        }
    </style>
</head>
<body>
<div id="container"></div>
<div class="info">
    <h4>预报天气</h4><hr>
    <p id='forecast'></p>
</div>
<script type="text/javascript" src="http://webapi.amap.com/maps?v=1.4.15&key=您申请的key值"></script>
<script type="text/javascript">
    var map = new AMap.Map('container', {
        resizeEnable: true,
		center: [116.486409,39.921489],
        zoom: 12
    });
    AMap.plugin('AMap.Weather', function() {
        var weather = new AMap.Weather();
        //查询实时天气信息, 查询的城市到行政级别的城市，如朝阳区、杭州市
        weather.getLive('朝阳区', function(err, data) {
            if (!err) {
                var str = [];
                str.push('<h4 >实时天气' + '</h4><hr>');
                str.push('<p>城市/区：' + data.city + '</p>');
                str.push('<p>天气：' + data.weather + '</p>');
                str.push('<p>温度：' + data.temperature + '℃</p>');
                str.push('<p>风向：' + data.windDirection + '</p>');
                str.push('<p>风力：' + data.windPower + ' 级</p>');
                str.push('<p>空气湿度：' + data.humidity + '</p>');
                str.push('<p>发布时间：' + data.reportTime + '</p>');
                var marker = new AMap.Marker({map: map, position: map.getCenter()});
                var infoWin = new AMap.InfoWindow({
                    content: '<div class="info" style="position:inherit;margin-bottom:0;">'+str.join('')+'</div><div class="sharp"></div>',
                    isCustom:true,
                    offset: new AMap.Pixel(0, -37)
                });
                infoWin.open(map, marker.getPosition());
                marker.on('mouseover', function() {
                    infoWin.open(map, marker.getPosition());
                });
            }
        });
        //未来4天天气预报
        weather.getForecast('朝阳区', function(err, data) {
            if (err) {return;}
            var str = [];
            for (var i = 0,dayWeather; i < data.forecasts.length; i++) {
                dayWeather = data.forecasts[i];
                str.push(dayWeather.date+' <span class="weather">'+dayWeather.dayWeather+'</span> '+ dayWeather.nightTemp + '~' + dayWeather.dayTemp + '℃');
            }
            document.getElementById('forecast').innerHTML = str.join('<br>');
        });
    });
</script>
</body>
</html>
        

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