原生JS實現天氣預報
阿新 • • 發佈:2020-06-17
本文例項為大家分享了JS實現天氣預報的具體程式碼,供大家參考,具體內容如下
HTML程式碼
<!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> <!-- 搜尋 --> <div class="search"> <span>Tq</span> <form target="sou" id="search_from"> <input type="search" placeholder="輸入搜尋的城市"> <iframe name="sou" style = "display: none"></iframe> </form> <div class="search-btn"><img src="images/search.png" alt="原生JS實現天氣預報"></div> </div> <!-- 歷史記錄--> <div class="history"> <div class="la"> <span>歷史查詢</span> <img src="images/more.png" alt="原生JS實現天氣預報"> </div> <div class="historys"> <!-- 歷史記錄 --> </div> <div class="clearbtn"> 清除歷史記錄 </div> </div> <!-- 今日天氣 --> <div class="information"> </div> <!-- 天氣預報 --> <div class="forecast"> </div> <!-- 生活指數 --> <div class="lifestyle"> <h2>生活指數</h2> <div class="lifestyle-box"> <div class="lifestyle-item" data-indexs="0"> <i class="iconfont icon-shushidu"></i> <span>舒適度指數</span> </div> <div class="lifestyle-item" data-indexs="1"> <i class="iconfont icon-3chuanyixiguan"></i> <span>穿衣指數</span> </div> <div class="lifestyle-item" data-indexs="2"> <i class="iconfont icon-ganmaoyaowu"></i> <span>感冒指數</span> </div> <div class="lifestyle-item" data-indexs="3"> <i class="iconfont icon-yundong"></i> <span>運動指數</span> </div> <div class="lifestyle-item" data-indexs="4"> <i class="iconfont icon-lvyou"></i> <span>旅遊指數</span> </div> <div class="lifestyle-item" data-indexs="5"> <i class="iconfont icon-iconset0451"></i> <span>紫外線指數</span> </div> <div class="lifestyle-item" data-indexs="6"> <i class="iconfont icon-xiche"></i> <span>洗車指數</span> </div> <div class="lifestyle-item" data-indexs="7"> <i class="iconfont icon-kongqiwuranfenxi"></i> <span>空氣汙染擴散條件指數</span> </div> </div> </div> <!-- 生活指數彈窗 --> <div class="lifestyle-tc"> </div> <script src="rem.js"></script> <script src="Ajax.js"></script> <script src="tianqi.js"></script> </body> </html>
CSS程式碼
* { 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); 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,.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,.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,.0); justify-content: space-between; font-size: 0.16rem; border-bottom: 0.01rem solid white; margin: 0.1rem 0.2rem; font-family: 幼圓; 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,.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,.3); border-radius: 0.1rem; } .lifestyle > h2 { text-align: center; margin-top: 0.2rem; font-size: 0.2rem; padding-top: 0.15rem; font-family: 幼圓; } .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: 幼圓; 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程式碼
let searchtext = document.querySelector('.search #search_from > input'); let searchbtn = document.querySelector('.search-btn'); let information = document.querySelector('.information'); //當前天氣div let forecast = document.querySelector(".forecast"); //獲取天氣預報 div let lifestyle = document.querySelector('.lifestyle'); if (localStorage.tq == undefined) { /*如果預設沒搜尋過 就自動搜尋普寧*/ var tqList = []; let defauleCity = "普寧"; autorend(defauleCity); } else { /*如果有搜尋記錄,就自動搜尋最後一次機城市*/ var tqList = JSON.parse(localStorage.tq); let endcityName = tqList[tqList.length - 1].cityName; autorend(endcityName); } /* 自動渲染方法*/ function autorend (cityName) { let nowurl = "https://free-api.heweather.net/s6/weather/now?location="+cityName+"&key=26be256aca2c43a7bb7f9a72e0f99a6b"; let dailyurl = "https://free-api.heweather.net/s6/weather/forecast?location="+cityName+"&key=26be256aca2c43a7bb7f9a72e0f99a6b"; let lifestyleurl = "https://free-api.heweather.net/s6/weather/lifestyle?location="+cityName+"&key=26be256aca2c43a7bb7f9a72e0f99a6b"; console.log("執行自動渲染") 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 ? '0' + house : house; let minutes = date.getMinutes(); minutes = minutes < 10 ? '0' + minutes : minutes; let second = date.getMinutes(); second = second < 10 ? '0' + second : second; let time = year + "年 - " + month + "月 - " + day + "日 - " + house + ":" + minutes + ":" + second; return time; } /*搜尋按鈕事件*/ searchbtn.addEventListener('click',function () { let time = getTime(); let cityName = searchtext.value; /*如果輸入框不為空才執行 不加這條件 會導致傳入一個空的字串 導致歷史記錄新增到一個空的*/ 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?location="+cityName+"&key=26be256aca2c43a7bb7f9a72e0f99a6b"; let dailyurl = "https://free-api.heweather.net/s6/weather/forecast?location="+cityName+"&key=26be256aca2c43a7bb7f9a72e0f99a6b"; let lifestyleurl = "https://free-api.heweather.net/s6/weather/lifestyle?location="+cityName+"&key=26be256aca2c43a7bb7f9a72e0f99a6b"; rendweather(nowurl,lifestyleurl); /*呼叫渲染方法*/ searchtext.value = ""; } }); /*手機鍵盤搜尋鍵事件*/ document.getElementById('search_from').onsubmit = function () { searchbtn.click(); document.activeElement.blur(); } /*主頁面渲染*/ function rendweather (nowurl,lifestyleurl) { /*獲取今日天氣資訊*/ getAjax(nowurl,function (xhr) { let databoj = JSON.parse(xhr.response); let now = databoj.HeWeather6[0].now; if (now == undefined) { /* 如果獲取到的為now 說明使用者輸入的城市有誤*/ if (tqList.length > 1) {//如果長度大於1 說明之前使用者正確輸入過城市 tqList.splice(tqList.length - 1,1 ); //執行刪除最後一個元素 即輸入錯誤的城市 rendhistory(tqList); // 執行歷史記錄渲染 cityName = tqList[tqList.length - 1].cityName; //將城市名賦值為陣列最後一個元素 即最後一次正確搜尋的城市 } else if (tqList.length == 1) { /* 如果長度為1 說明現在為止使用者沒輸入一個正確的城市*/ cityName = "普寧"; //將城市名賦值為 普寧 // tqList.splice(tqList.length - 1,1 ); tqList.pop(); //刪除輸入錯誤的文字 rendhistory(tqList); //執行歷史記錄渲染 } autorend(cityName); //最後執行自動渲染 } else { //如果以上都沒錯誤 說明使用者輸入的城市正確 正常執行程式碼 /* 渲染今日天氣*/ information.innerHTML = ` <div class="now"> <span class="city">${cityName}</span> <div class="situation"> <img src="https://cdn.heweather.com/cond_icon/${now.cond_code}.png" alt="原生JS實現天氣預報"> <!-- 天氣圖示 --> <h1 class="text">${now.cond_txt}</h1> <!-- 天氣狀況 --> <div class="temp"> <h3 class="tmp">溫度:${now.tmp}℃</h3> <!-- 溫度 --> <h3 class="fl">體感溫度:${now.fl}℃</h3> <!-- 體感溫度 --> </div> </div> `; /*渲染背景圖片*/ let nowcondtxt = now.cond_code; switch(nowcondtxt) { case "101": case "102": case "103": case "104": document.body.style.backgroundImage = "url('images/2.jpg')"; break; case "100": case "200": case "201": case "202": case "203": case "204": document.body.style.backgroundImage = "url('images/1.jpg')"; break; case "205": case "206": case "207": case "208": case "209": document.body.style.backgroundImage = "url('images/7.jpg')"; break; case "210": case "211": case "212": case "213": document.body.style.backgroundImage = "url('images/8.jpg')"; break; case "300": case "301": case "302": case "303": case "304": case "305": case "306": case "307": case "308": case "309": case "310": case "311": case "312": case "313": case "314": case "315": case "316": case "317": case "318": case "399": document.body.style.backgroundImage = "url('images/3.jpg')"; break; case "400": case "401": case "402": case "403": case "404": case "405": case "406": case "407": case "408": document.body.style.backgroundImage = "url('images/4.jpg')"; break; case "500": case "501": case "502": case "503": case "504": case "505": case "506": case "507": case "508": document.body.style.backgroundImage = "url('images/5.jpg')"; break; case "509": case "510": case "511": case "512": case "513": case "514": case "515": document.body.style.backgroundImage = "url('images/6.jpg')"; break; default: document.body.style.backgroundImage = "url('images/9.jpg')"; } /*獲取天氣預告資訊*/ getAjax(dailyurl,function (xhr) { forecast.innerHTML = ""; /*清除之前的渲染*/ let databoj = JSON.parse(xhr.response); let daily = databoj.HeWeather6[0].daily_forecast; daily.forEach(function (item,index) { /*如果當天天氣早上和晚上一樣就輸出一個 如果不一樣 就早上轉晚上(天氣型別)*/ var txt = item.cond_txt_d == item.cond_txt_n ? item.cond_txt_d : item.cond_txt_d + "轉" + item.cond_txt_n; let date = '今天'; /*預設今天*/ if (index == 1) { /* 第二個賦值為明天*/ date = "明天"; } else if (index == 2) { /* 第三個賦值為後天*/ date = "後天"; } /*渲染天氣預報*/ forecast.innerHTML += ` <div class="nowday forecast-item"> <div class="forecast-situation"> <img src="https://cdn.heweather.com/cond_icon/${item.cond_code_d}.png" alt="原生JS實現天氣預報"> ${date} * <span class="txt">${txt}</span> </div> <div class="forecast-temp"> <span class="max">${item.tmp_max}°/</span> <span class="min">${item.tmp_min}°</span> </div> </div>`; }) }); lifestyle.style.display = 'block'; /*顯示生活指數模板*/ /*獲取生活指數*/ getAjax(lifestyleurl,function (xhr) { let databoj = JSON.parse(xhr.response); let lifestyle = databoj.HeWeather6[0].lifestyle; lifestyleclick(lifestyle); /*呼叫生活指數渲染方法*/ }); } }); } /*生活指數渲染方法*/ let lifestyleitem = document.querySelectorAll('.lifestyle-item'); function lifestyleclick (lifestyle) { for (let j = 0; j < lifestyleitem.length; j ++) { lifestyleitem[j].onclick = function () { let index = lifestyleitem[j].dataset.indexs; let li = lifestyle[index]; let lifestyletc = document.querySelector('.lifestyle-tc'); lifestyletc.innerHTML = `<div class="fanghui"> <img src="images/fanghui.png" alt="原生JS實現天氣預報"> </div> <h2>${lifestyleitem[j].children[1].childNodes[0].data}</h2> <span>${li.brf}</span> <p>"${li.txt}"</p>`; lifestyletc.style.display = 'block'; /*關閉按鈕*/ let fanghuibtn = document.querySelector('.fanghui'); console.log(fanghuibtn); fanghuibtn.onclick = function () { lifestyletc.style.display = 'none'; } } } } //歷史記錄事件 let historys = document.querySelector('.historys'); function rendhistory(tqList) { historys.innerHTML = ""; /*每次執行歷史記錄渲染都清除之前的記錄 防止出現重複*/ tqList.forEach(function (item,index) { /*將歷史記錄寫入*/ historys.innerHTML += ` <div class="history-item" data-indexs="${index}"> <span class="history-time">${item.time}</span> <span class="history-city">${item.cityName}</span> </div> `; }) /*獲取歷史記錄div 新增點選事件 * 點選後跳轉點選的城市 * */ let historyitem = document.querySelectorAll('.history-item'); for (let j = 0; j < historyitem.length; j ++) { historyitem[j].onclick = function() { let index = historyitem[j].dataset.indexs; let thecityName = tqList[index].cityName; let time = getTime(); let List = { "cityName" : thecityName,"time" : time } tqList.push(List); localStorage.tq = JSON.stringify(tqList); rendhistory(tqList); autorend(thecityName); } } } rendhistory(tqList); xiala(); //下拉選單事件 function xiala () { let historybtn = document.querySelector('.la > img'); let historyDiv = document.querySelector('.history'); let clearhistory = document.querySelector('.clearbtn'); let flag = true; historybtn.addEventListener('click',function () { if (flag) { flag = false; historybtn.style.backgroundColor = "rgba(0,.3)"; let height = (tqList.length * 0.4) + 1.7; historyDiv.style.height = height + 'rem'; } else { flag = true; historybtn.style.backgroundColor = "rgba(0,.0)"; historyDiv.style.height = '0.9rem'; } }); clearhistory.addEventListener('click',function () { /*清除歷史記錄事件*/ localStorage.removeItem('tq'); /*刪除本地儲存*/ tqList = []; /*將陣列清空*/ rendhistory(tqList); /*渲染歷史記錄*/ historybtn.click(); /*執行下拉按鈕點選*/ }); searchtext.addEventListener('click',function () { //點選輸入框 如果下拉選單開啟 就關閉 if (!flag) { historybtn.click(); } }); }
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支援我們。