华山资源网

原生JS实现天气预报
网络编程 2024/11/20 佚名
3 1

本文实例为大家分享了JS实现天气预报的具体代码，供大家参考，具体内容如下

HTML代码

<!doctype html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <meta name="viewport"
  content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
 <meta http-equiv="X-UA-Compatible" content="ie=edge">
 <title>Document</title>
 <link rel="stylesheet" href="tianqi.css" >
 <link rel="stylesheet" href="iconfont/iconfont.css" >
</head>
<body>
 <!-- 搜索 -->
 <div class="search">
 <span>Tq</span>
 <form target="sou" id="search_from">
 <input type="search" placeholder="输入搜索的城市">
 <iframe name="sou" style = "display: none"></iframe>
 </form>
 <div class="search-btn"><img src="/UploadFiles/2021-04-02/search.png">


CSS代码





* {
 margin: 0;
 padding: 0;
}
ul,li {
 list-style: none;
}
body {
 background-size: 120%;
 color: white;
}
.search {
 position: fixed;
 width: 100%;
 height: 0.5rem;
 background-color: rgba(0,0,0,.0);
 display: flex;
 justify-content: space-between;
 align-items: center;
}
#search_from {
 width: 2.8rem;
 height: 0.4rem;
 position: relative;
}
.search > span {
 width: 0.5rem;
 font-size: 0.25rem;
 line-height: 0.5rem;
 text-align: center;
 font-family: "Segoe UI Symbol";
 color: white;
}
.search #search_from > input {
 width: 2.8rem;
 height: 0.4rem;
 border-radius: 0.1rem;
 text-indent: 0.1rem;
 outline: none;
 position: absolute;
 border: none;
 border-bottom: 0.01rem solid white;
 background-color: rgba(255,255,255,.05);
 color: white;
}
.search #search_from > input::-webkit-input-placeholder {
 color: white;
}
.search > .search-btn {
 width: 0.5rem;
 position: relative;
}
.search > .search-btn > img {
 width: 0.25rem;
 position: absolute;
 top: 50%;
 left: 50%;
 transform: translate(-50%,-50%);
}
.history {
 height: 0.9rem;
 overflow: auto;
 background-color: rgba(255,255,255,.05);
 transition-duration: 0.5s;
}
.historys {
 margin-top: 0.8rem;
 overflow: hidden;
}
.history .history-item {
 display: flex;
 height: 0.4rem;
 border-bottom: 0.01rem dashed #cccccc;
 align-items: center;
 justify-content: space-evenly;
}
.history .history-item > .history-time {
 font-size: 0.14rem;
}
.history .history-item > .history-city {
 font-size: 0.18rem;
}
.history .la {
 height: 0.3rem;
 display: flex;
 position: fixed;
 top: 0.45rem;
 width: 90%;
 background-color: rgba(255,255,255,.0);
 justify-content: space-between;
 font-size: 0.16rem;
 border-bottom: 0.01rem solid white;
 margin: 0.1rem 0.2rem;
 font-family: 幼圆;
 line-height: 0.3rem;
}
.history .la > span {
 color: white;
}
.history .la > img {
 width: 0.2rem;
 height: 0.2rem;
 padding: 0.03rem;
 border: 0.01rem solid #cccccc;
 border-radius: 0.05rem;
}
.clearbtn {
 height: 0.3rem;
 text-align: center;
 text-decoration: underline;
 font-size: 0.2rem;
 margin-top: 0.1rem;
 line-height: 0.3rem;
}
.information {
 /*background-color: gold;*/
}
.now {
 padding-top: 0.2rem;
 display: flex;
 flex-direction: column;
}
.now .city {
 font-size: 0.4rem;
 text-align: center;
}
.now .situation {
 padding-top: 0.2rem;
 display: flex;
 justify-content: space-evenly;
 font-size: 0.15rem;
 align-items: center;
}
.now .situation > img {
 width: 1rem;
 height: 1rem;
 vertical-align: bottom;
}
.now .temp {
 display: flex;
 flex-direction: column;
 align-items: center;
}
.now .temp > h3 {
 font-size: 0.2rem;
 margin-top: 0.1rem;
}
.forecast {
 background-color: rgba(0,0,0,.3);
 margin: 0 0.2rem;
 border-radius: 0.1rem;
}
.forecast-item {
 height: 0.3rem;
 display: flex;
 justify-content: space-between;
 margin: 0.1rem 0.2rem 0;
 padding-top: 0.1rem;
}
.forecast-item:last-of-type {
 padding-bottom: 0.1rem;
}
.forecast-item .forecast-situation > img {
 width: 0.2rem;
 height: 0.2rem;
}
.forecast-item .forecast-situation {
 font-size: 0.16rem;
}
.forecast-temp {
 font-size: 0.18rem;
}
.lifestyle {
 display: none;
 margin: 0 0.2rem;
 background-color: rgba(0,0,0,.3);
 border-radius: 0.1rem;
}
.lifestyle > h2 {
 text-align: center;
 margin-top: 0.2rem;
 font-size: 0.2rem;
 padding-top: 0.15rem;
 font-family: 幼圆;
}
.lifestyle .lifestyle-box {
 display: flex;
 flex-wrap: wrap;
 justify-content: space-between;
}
.lifestyle .lifestyle-box .lifestyle-item {
 display: flex;
 flex-direction: column;
 width: 0.7rem;
 height: 0.4rem;
 font-size: 0.14rem;
 text-align: center;
 padding-top: 0.1rem;
 padding-bottom: 0.05rem;

}
.lifestyle .lifestyle-box .lifestyle-item > i {
 font-size: 0.2rem;
}
.lifestyle .lifestyle-box .lifestyle-item > span {
 white-space: nowrap;
 text-overflow:ellipsis;
 overflow:hidden;
}
.lifestyle-tc {
 height: 100vh;
 position: fixed;
 top: 0;
 left: 0;
 background-color: gold;
 font-family: 幼圆;
 line-height: 0.4rem;

}
.lifestyle-tc .fanghui {
 width: 0.3rem;
 height: 0.3rem;
 position: absolute;
 left: 0.2rem;
 top: 0.1rem;
}
.lifestyle-tc .fanghui > img {
 width: 100%;
}
.lifestyle-tc > h2 {
 font-size: 0.3rem;
 width: 2.2rem;
 margin: 0.3rem auto 0;
 text-align: center;
}
.lifestyle-tc > span {
 width: 100%;
 font-size: 0.2rem;
 margin-top: 1.5rem;
 display: block;
 font-weight: 700;
 text-indent: 0.16rem;
}
.lifestyle-tc > p {
 text-indent: 0.32rem;
 font-size: 0.2rem;
}





JS代码





let searchtext = document.querySelector('.search #search_from > input');
let searchbtn = document.querySelector('.search-btn');
let information = document.querySelector('.information'); //当前天气div
let forecast = document.querySelector(".forecast"); //获取天气预报 div
let lifestyle = document.querySelector('.lifestyle');
 if (localStorage.tq == undefined) { /*如果默认没搜索过 就自动搜索普宁*/
 var tqList = [];
 let defauleCity = "普宁";
 autorend(defauleCity);
 } else { /*如果有搜索记录，就自动搜索最后一次机城市*/
 var tqList = JSON.parse(localStorage.tq);
 let endcityName = tqList[tqList.length - 1].cityName;
 autorend(endcityName);
}

 /* 自动渲染方法*/
 function autorend (cityName) {
 let nowurl = "https://free-api.heweather.net/s6/weather/now"+cityName+"&key=26be256aca2c43a7bb7f9a72e0f99a6b";
 let dailyurl = "https://free-api.heweather.net/s6/weather/forecast"+cityName+"&key=26be256aca2c43a7bb7f9a72e0f99a6b";
 let lifestyleurl = "https://free-api.heweather.net/s6/weather/lifestyle"+cityName+"&key=26be256aca2c43a7bb7f9a72e0f99a6b";
 console.log("执行自动渲染")
 rendweather(nowurl,cityName,dailyurl,lifestyleurl);
}

 function getTime() {
 let date = new Date();
 let year = date.getFullYear();
 let month = date.getMonth() + 1;
 let day = date.getDate();
 let house = date.getHours();
 house = house < 10 "年 - " + month + "月 - " + day + "日 - " + house + ":" + minutes + ":" + second;
 return time;
 }

 /*搜索按钮事件*/
 searchbtn.addEventListener('click',function () {
 let time = getTime();
 let cityName = searchtext.value;
 /*如果输入框不为空才执行 不加这条件 会导致传入一个空的字符串 导致历史记录添加到一个空的*/
 if (cityName != "") {
 let List = {
  "cityName" : cityName,
  "time" : time
 }
 tqList.push(List);
 localStorage.tq = JSON.stringify(tqList);
 rendhistory(tqList);
 let nowurl = "https://free-api.heweather.net/s6/weather/now"+cityName+"&key=26be256aca2c43a7bb7f9a72e0f99a6b";
 let dailyurl = "https://free-api.heweather.net/s6/weather/forecast"+cityName+"&key=26be256aca2c43a7bb7f9a72e0f99a6b";
 let lifestyleurl = "https://free-api.heweather.net/s6/weather/lifestyle"+cityName+"&key=26be256aca2c43a7bb7f9a72e0f99a6b";
 rendweather(nowurl,cityName,dailyurl,lifestyleurl); /*调用渲染方法*/
 searchtext.value = "";
 }
});

 /*手机键盘搜索键事件*/
 document.getElementById('search_from').onsubmit = function () {
 searchbtn.click();
 document.activeElement.blur();
 }

 /*主页面渲染*/
 function rendweather (nowurl,cityName,dailyurl,lifestyleurl) {
 /*获取今日天气信息*/
 getAjax(nowurl,function (xhr) {
  let databoj = JSON.parse(xhr.response);
  let now = databoj.HeWeather6[0].now;
  if (now == undefined) { /* 如果获取到的为now 说明用户输入的城市有误*/
  if (tqList.length > 1) {//如果长度大于1 说明之前用户正确输入过城市
   tqList.splice(tqList.length - 1 , 1 ); //执行删除最后一个元素 即输入错误的城市
   rendhistory(tqList); // 执行历史记录渲染
   cityName = tqList[tqList.length - 1].cityName; //将城市名赋值为数组最后一个元素 即最后一次正确搜索的城市
  } else if (tqList.length == 1) { /* 如果长度为1 说明现在为止用户没输入一个正确的城市*/
   cityName = "普宁"; //将城市名赋值为 普宁
   // tqList.splice(tqList.length - 1 , 1 );
   tqList.pop(); //删除输入错误的文字
   rendhistory(tqList); //执行历史记录渲染
  }
  autorend(cityName); //最后执行自动渲染
  } else { //如果以上都没错误 说明用户输入的城市正确 正常执行代码
  /* 渲染今日天气*/
  information.innerHTML = `
  <div class="now">
  <span class="city">${cityName}</span>
  <div class="situation">
  <img src="/UploadFiles/2021-04-02/${now.cond_code}.png">


以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
华山资源网 Design By www.eoogi.com
广告合作：本站广告合作请联系QQ：858582 申请时备注：广告合作（否则不回）
免责声明：本站资源来自互联网收集,仅供用于学习和交流,请遵循相关法律法规,本站一切资源不代表本站立场,如有侵权、后门、不妥请联系本站删除！
华山资源网 Design By www.eoogi.com
www.eoogi.com 华山资源网
120,135影音资源
344,641技术资源
22,817软件资源
435,032站长资源

更新日志

友情链接

杰晶网络 DDR爱好者之家 桃源资源网 杰网资源 富贵资源网 南强小屋 铁雪资源网 幽灵资源网 万梅资源网 狼山资源网 白云岛资源网 昆仑资源网 相思资源网 明霞山资源网 内蒙古资源网 黑松山资源网 茶园资源网 饿虎岗资源网 大旗谷资源网 常春岛资源网 岱庙资源网 兴国资源网 快活林资源网 蝙蝠岛资源网 帝王谷资源网 白云城资源网 伏龙阁资源网 清风细雨楼 天枫庄资源网 圆月山庄资源网 无争山庄资源网 神水资源网 移花宫资源网 神剑山庄资源网 无为清净楼资源网 金钱帮资源网 丐帮资源网 华山资源网 极乐门资源网 小李飞刀资源网 凤求凰客栈 风云阁资源网 金狮镖局 鸳鸯亭资源网 千金楼资源网 更多链接
华山资源网 Design By www.eoogi.com