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HTML5 天气预报应用

hankkin / 2677人阅读

摘要:实现输入城市名称,通过的来获取当前城市的天气情况。页面展示效果代码北京

jQuery实现输入城市名称,通过yahoo的Weather API来获取当前城市的天气情况。
页面展示效果:

HTML




 
 


 

    
C

  • CSS

    html,
    body {
        background-color: #F5F8FC;
        height: 100%;
        width: 100%;
        overflow: hidden;
        font-family: "Open Sans", sans-serif;
    }
    .info p {
        text-align: center;
        margin: 10px auto 0px auto;
        width: 540px;
        color: #4c4c4c;
        font-size: 16px;
        font-weight: bold;
    }
    .wrapper {
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        margin: auto;
        max-width: 100%;
        max-height: 100%;
        overflow: auto;
       
        height: 500px;
        
    }
    .shadow {
        -webkit-box-shadow: 0px 30px 100px 1px rgba(180, 180, 180, 1);
        -moz-box-shadow: 0px 30px 100px 1px rgba(180, 180, 180, 1);
        box-shadow: 0px 30px 100px 1px rgba(180, 180, 180, 1);
    }
    .top {
        position: relative;
        z-index: 0;
        background-color: #61c3e6;
        height: 300px;
        overflow: hidden;
        text-align: center;
        display: inline-block;
        width: 100%;
        float: left;
    }
    .top .btn {
        text-align: center;
        line-height: 25px;
        position: absolute;
        color: white;
        font-weight: bold;
        font-size: 20px;
        border-radius: 50%;
        border: 1px solid white;
        top: 5px;
        left: 740px;
        cursor: pointer;
        text-transform: uppercase;
    }
    .top img {
        position: relative;
        z-index: -1;
        margin-top: -10px;
        margin-bottom: 10px;
        width: 275px;
        -webkit-filter: invert(100%);
        -moz-filter: invert(100%);
        filter: invert(100%);
    }
    .top .deg {
        font-weight: bold;
    }
    .top .text {
        text-align: center;
        color: white;
        margin-bottom: 15px;
        margin-top: -70px;
        font-size: 25px;
    }
    .top .text-city{
        text-align: center;
        color: white;
        margin-bottom: 10px;
        font-size: 25px;
    }
    .top input {
        position: relative;
        z-index: 1;
        font-family: "Open Sans", sans-serif;
        width: 210px;
        background-color: rgba(0, 0, 0, 0);
        border-top: 0px;
        border-right:0px;
        border-left:0px;
        border-bottom:1px solid #F5F8FC;
        outline: 0;
    }
    .top input:focus {
        outline: 0;
        border: 0px;
    }
    .bot {
        float: left;
        background-color: white;
        height: 200px;
        overflow: hidden;
        display: inline-block;
        width: 100%;
    }
    .bot ul {
        overflow: hidden;
        display: inline-block;
        width: 100%;
        height: 100%;
        list-style-type: none;
        padding-top: 30px;
    }
    .bot ul li {
        color: #999999;
        float: left;
        width: 20%;
       
        text-align: center;
    }
    .bot ul li:nth-child(1) {
        color: #4c4c4c;
    }
    .bot ul li h1 {
        text-transform: uppercase;
        font-weight: bold;
    }
    .bot ul li p {
        font-weight: bold;
    }
    .bot ul li img {
        -webkit-filter: invert(60%);
        -moz-filter: invert(60%);
        filter: invert(60%);
    }
    .bot ul li:first-child img {
        -webkit-filter: invert(30%);
        -moz-filter: invert(30%);
        filter: invert(30%);
    }

    javascript代码

    var baseYahooURL = "https://query.yahooapis.com/v1/public/yql?q="
    var selectedCity = "北京";
    var placeholder = "";
    var unit = "c";
    $(function(){
      init();
    })
      
    function init() {
        getWoeid(selectedCity);
    
        $("#city").keypress(function() {
            if (event.which == 13) {
                selectedCity = $("#city").val();
                getWoeid(selectedCity);
                $("#city").blur();
            }
        });
    
        $("#btn").click(function() {
            if ($("#btn").html() == "F") {
                unit = "c";
            } else unit = "f";
            $("#btn").html(unit.toUpperCase());
            getWoeid(selectedCity);
        })
    
        $("#city").focus(function(event) {
            placeholder = $("#city").val();
            $("#city").val("");
            $("#city").css("border-bottom", "1px solid #F5F8FC");
        });
    
        $("#city").blur(function(event) {
            if ($("#city").val() == "") {
                $("#city").val(placeholder);
            }
        });
    }
    
    function getWoeid(city) {
        var woeidYQL = "select woeid from geo.placefinder where text="" + city + ""&format=json";
        var jsonURL = baseYahooURL + woeidYQL;
        $.getJSON(jsonURL, woeidDownloaded);
    }
    
    function woeidDownloaded(data) {
        var woeid = null;
        if (data.query.count <= 0) {
            $("#city").val("No city found");
            $("#deg").html("");
            setImage(999, $("#big")[0]);
            for (var i = 0; i <= 4; i++) {
                $("#forecast" + i).html("");
                setImage(999, $("#forecastimg" + i)[0]);
                $("#forecastdeg" + i).html("");
            }
            return;
        } else if (data.query.count == 1) {
            woeid = data.query.results.Result.woeid;
        } else {
            woeid = data.query.results.Result[0].woeid;
        }
        getWeatherInfo(woeid);
    }
    
    function getWeatherInfo(woeid) {
        var weatherYQL = "select * from weather.forecast where woeid=" + woeid + " and u = "" + unit + "" &format=json";
        var jsonURL = baseYahooURL + weatherYQL
        $.getJSON(jsonURL, weaterInfoDownloaded);
    }
    
    function weaterInfoDownloaded(data) {
        $("#city").val(selectedCity);
        //$("#city").val(data.query.results.channel.location.city);
        $("#deg").html(data.query.results.channel.item.condition.temp + " °" + unit.toUpperCase());
        setImage(data.query.results.channel.item.condition.code, $("#big")[0]);
        for (var i = 0; i <= 4; i++) {
            var fc = data.query.results.channel.item.forecast[i];
            $("#forecast" + i).html(fc.day);
            setImage(fc.code, $("#forecastimg" + i)[0]);
            $("#forecastdeg" + i).html((parseInt(fc.low) + parseInt(fc.high)) / 2 + " °" + unit.toUpperCase());
        }
    }
    
    function setImage(code, image) {
        image.src = "http://www.hubwiz.com/course/55a60445a164dd0d75929fbd/";
        switch (parseInt(code)) {
            case 0:
                image.src += "images/icons/Tornado.svg"
                break;
            case 1:
                image.src += "images/icons/Cloud-Lightning.svg"
                break;
            case 2:
                image.src += "images/icons/Wind.svg"
                break;
            case 3:
                image.src += "images/icons/Cloud-Lightning.svg"
                break;
            case 4:
                image.src += "images/icons/Cloud-Lightning.svg"
                break;
            case 5:
                image.src += "images/icons/Cloud-Snow-Alt.svg"
                break;
            case 6:
                image.src += "images/icons/Cloud-Rain-Alt.svg"
                break;
            case 7:
                image.src += "images/icons/Cloud-Snow-Alt.svg"
                break;
            case 8:
                image.src += "images/icons/Cloud-Drizzle-Alt.svg"
                break;
            case 9:
                image.src += "images/icons/Cloud-Drizzle-Alt.svg"
                break;
            case 10:
                image.src += "images/icons/Cloud-Drizzle-Alt.svg"
                break;
            case 11:
                image.src += "images/icons/Cloud-Drizzle-Alt.svg"
                break;
            case 12:
                image.src += "images/icons/Cloud-Drizzle-Alt.svg"
                break;
            case 13:
                image.src += "images/icons/Cloud-Snow-Alt.svg"
                break;
            case 14:
                image.src += "images/icons/Cloud-Snow-Alt.svg"
                break;
            case 15:
                image.src += "images/icons/Cloud-Snow-Alt.svg"
                break;
            case 16:
                image.src += "images/icons/Cloud-Snow-Alt.svg"
                break;
            case 17:
                image.src += "images/icons/Cloud-Hail-Alt.svg"
                break;
            case 18:
                image.src += "images/icons/Cloud-Hail-Alt.svg"
                break;
            case 19:
                image.src += "images/icons/Cloud-Hail-Alt.svg"
                break;
            case 20:
                image.src += "images/icons/Cloud-Fog.svg"
                break;
            case 21:
                image.src += "images/icons/Cloud-Fog.svg"
                break;
            case 22:
                image.src += "images/icons/Cloud-Fog.svg"
                break;
            case 23:
                image.src += "images/icons/Cloud-Fog.svg"
                break;
            case 24:
                image.src += "images/icons/Wind.svg"
                break;
            case 25:
                image.src += "images/icons/Thermometer-Zero"
                break;
            case 26:
                image.src += "images/icons/Cloud.svg"
                break;
            case 27:
                image.src += "images/icons/Cloud-Moon.svg"
                break;
            case 28:
                image.src += "images/icons/Cloud.svg"
                break;
            case 29:
                image.src += "images/icons/Cloud-Moon.svg"
                break;
            case 30:
                image.src += "images/icons/Cloud-Sun.svg"
                break;
            case 31:
                image.src += "images/icons/Moon.svg"
                break;
            case 32:
                image.src += "images/icons/Sun.svg"
                break;
            case 33:
                image.src += "images/icons/Moon.svg"
                break;
            case 34:
                image.src += "images/icons/Sun.svg"
                break;
            case 35:
                image.src += "images/icons/Cloud-Hail-Alt.svg"
                break;
            case 36:
                image.src += "images/icons/Sun.svg"
                break;
            case 37:
                image.src += "images/icons/Cloud-Lightning.svg"
                break;
            case 38:
                image.src += "images/icons/Cloud-Lightning.svg"
                break;
            case 39:
                image.src += "images/icons/Cloud-Lightning.svg"
                break;
            case 40:
                image.src += "images/icons/Cloud-Rain.svg"
                break;
            case 41:
                image.src += "images/icons/Cloud-Snow-Alt.svg"
                break;
            case 42:
                image.src += "images/icons/Cloud-Snow-Alt.svg"
                break;
            case 43:
                image.src += "images/icons/Cloud-Snow-Alt.svg"
                break;
            case 44:
                image.src += "images/icons/Cloud.svg"
                break;
            case 45:
                image.src += "images/icons/Cloud-Lightning.svg"
                break;
            case 46:
                image.src += "images/icons/Cloud-Snow-Alt.svg"
                break;
            case 47:
                image.src += "images/icons/Cloud-Lightning.svg"
                break;
            case 3200:
                image.src += "images/icons/Moon-New.svg"
                break;
            case 999:
                image.src += "images/icons/Compass.svg"
                break;
            default:
                image.src += "images/icons/Moon-New.svg"
                break;
        }
    }

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