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index.js
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index.js
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const rootEle = document.documentElement; // <html>
const LSThemeKey = 'user-color-scheme'; // 作为 localStorage 的 key
function addClass(obj, cls){
let obj_class = obj.className;//获取 class 内容.
let blank = (obj_class != '') ? ' ' : '';//判断获取到的 class 是否为空, 如果不为空在前面加个'空格'.
obj.className = obj_class + blank + cls;//组合原来的 class 和需要添加的 class并替换原来的 class.
}
function removeClass(obj, cls){
let obj_class = ' '+obj.className+' ';//获取 class 内容, 并在首尾各加一个空格. ex) 'abc bcd' -> ' abc bcd '
obj_class = obj_class.replace(/(\s+)/gi, ' ');//将多余的空字符替换成一个空格. ex) ' abc bcd ' -> ' abc bcd '
let removed = obj_class.replace(' '+cls+' ', ' ');//在原来的 class 替换掉首尾加了空格的 class. ex) ' abc bcd ' -> 'bcd '
removed = removed.replace(/(^\s+)|(\s+$)/g, '');//去掉首尾空格. ex) 'bcd ' -> 'bcd'
obj.className = removed;//替换原来的 class.
}
function hasClass(obj, cls){
let obj_class = obj.className;//获取 class 内容.
let obj_class_lst = obj_class.split(/\s+/);//通过split空字符将cls转换成数组.
let x = 0;
for(x in obj_class_lst) {
if(obj_class_lst[x] == cls) {//循环数组, 判断是否包含cls
return true;
}
}
return false;
}
const setLS = (k, v) => {
try {
localStorage.setItem(k, v);
} catch (e) { }
}
const removeLS = (k) => {
try {
localStorage.removeItem(k);
} catch (e) { }
}
const getLS = (k) => {
try {
return localStorage.getItem(k);
} catch (e) {
return null // 与 localStorage 中没有找到对应 key 的行为一致
}
}
function applyTheme(preferredTheme){
removeClass(rootEle,"light");
removeClass(rootEle,"dark");
addClass(rootEle,preferredTheme);
setLS(LSThemeKey,preferredTheme);
}
let preferredTheme = getLS(LSThemeKey) || "light"
applyTheme(preferredTheme)
document.onreadystatechange = function () {//模拟$(document).ready()
if (document.readyState === "interactive") {
init();
}
}
function geoSrv(){
if ("geolocation" in navigator) {
navigator.geolocation.getCurrentPosition(function(position){
LONGITUDE = position.coords.longitude; //十进制经度
LATITUDE = position.coords.latitude; //十进制纬度
Promise.all([getData("https://geoapi.qweather.com/v2/city/lookup",`${LONGITUDE},${LATITUDE}`)])
.then(function (results) {
LOCATION = results[0]['location'][0]['id'];
document.getElementById("area").innerHTML = results[0]['location'][0]['name'];
refresh()
return;
})
},function (err){
console.log(err.code + "：" + err.message)
alert("定位失败或位置服务被禁用，将显示杭州市的天气！");
LONGITUDE = 120.15358;
LATITUDE = 30.28745;//杭州的经纬度
LOCATION = 101210101;
refresh()
})
}
else {
alert("您的浏览器不支持geolocation，将显示杭州市的天气！");
LONGITUDE = 120.15358;
LATITUDE = 30.28745;
LOCATION = 101210101;
refresh()
}
}
function init(){
let foreHoursHtml = "";
for (let i = 0;i < 24;i++){
foreHoursHtml += `<div class="foreHoursEach ${(i % 2 == 0)?"foreHoursEachDark":"foreHoursEachLight"}">
<div class="foreHoursTime">00:00</div>
<div class="qicon foreHoursQicon qi-unknown-fill"></div>
<div class="foreHoursTemp">24℃</div>
</div>`;
}
let foreDaysHtml = "";
for (let i = 0;i < 7;i++){
foreDaysHtml += `<div class="foreDaysEach ${(i % 2 == 0)?"foreDaysEachDark":"foreDaysEachLight"}">
<div class="foreDaysDate">日期</div>
<div class="qicon foreDaysQicon qi-unknown-fill"></div>
<div class="foreDaysWeather">天气</div>
</div>`;
}
let foreDaysData = {
"foreDaysHtml": foreDaysHtml,
"dates": ["00-00","00-00","00-00","00-00","00-00","00-00","00-00"],
"maxTemps": [0,0,0,0,0,0,0],
"minTemps": [0,0,0,0,0,0,0],
}
var airChartOption = {
series: [
{
type: 'gauge',
min: 0,
max: 500,
itemStyle: {
color: '#90EE90',
},
progress: {
show: true,
roundCap: true,
width: 9
},
pointer: {
show: false,
},
axisLine: {
roundCap: true,
lineStyle: {
width: 9
}
},
axisTick: {
show: false,
},
splitLine: {
show: false,
},
axisLabel: {
show: false,
},
title: {
show: true,
offsetCenter: [0, '40%'],
},
detail: {
offsetCenter: [0, '-10%'],
},
data: [
{
value: 0,
name: "未知",
}
]
}
]
};
airChart = echarts.init(document.getElementById('airChart'),null,{renderer : 'svg' });
airChartOption && airChart.setOption(airChartOption);
let pollutionChartOption = {
angleAxis: {
show: false,
max: 100
},
radiusAxis: {
show: true,
type: 'category',
data: ['PM2.5:', 'PM10:', 'O₃:', 'CO:','SO₂:','NO₂:'],
axisLabel:{
interval: 0
},
axisTick: {
show: false,
},
splitLine:{
show: false,
},
},
polar: {},
series: [{
type: 'bar',
data: [0,0,0,0,0,0],
colorBy: 'data',
roundCap: true,
label: {
show:true,
// 试试改成 'insideStart'
position: 'insideStart',
formatter: '{c}'
},
coordinateSystem: 'polar'
}]
};
pollutionChart = echarts.init(document.getElementById('pollutionChart'),null,{renderer : 'svg' });
pollutionChartOption && pollutionChart.setOption(pollutionChartOption);
let foreDaysOption = {
yAxis: [
{
type: 'value',
scale:true,
splitLine:{
show: true,
},
axisLabel:{
formatter: '{value}℃',
}
}
],
xAxis: [
{
type: 'category',
data: ["00-00","00-00","00-00","00-00","00-00","00-00","00-00"],
axisLabel:{
interval: 0
},
axisTick: {
show: false,
},
splitLine:{
show: false,
},
}
],
series: [
{
name: '最高气温',
type: 'line',
data: [0,0,0,0,0,0,0],
smooth: true,
label: {
show: true,
formatter: '{c}℃',
}
},
{
name: 'MinTemp',
type: 'line',
data: [0,0,0,0,0,0,0],
smooth: true,
label: {
show: true,
formatter: '{c}℃',
}
},
]
};
foreDaysChart = echarts.init(document.getElementById('foreDaysChart'),null,{renderer : 'svg' });
foreDaysOption && foreDaysChart.setOption(foreDaysOption);
updateForeHours(foreHoursHtml);
updateForeDays(foreDaysData);
if (preferredTheme === "light"){lightCharts()};
if (preferredTheme === "dark"){darkCharts()};
document.getElementById("updateTime").onclick=function (){ //onclick不是一个函数，是方法，这里运行即使函数
refresh();
}
document.getElementById("themeSwitcher").onclick = function() {
if (hasClass(rootEle,"dark")){
applyTheme("light");
lightCharts();
}
else {
applyTheme("dark");
darkCharts();
}
}
geoSrv();
}
function darkCharts(){
let textColor = "#E0E0E0";
let lineColor = "#454545";
let borderColor = "#000000";
let borderWidth = 1;
airChart.setOption({
series: [{
axisLine: {
lineStyle: {
color: [
[1, lineColor],
]
}
},
title: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
},
detail: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
}
}]
});
pollutionChart.setOption({
radiusAxis: {
axisLabel:{
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
},
},
series: [{
label: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
}
}]
});
foreDaysChart.setOption({
yAxis: [
{
splitLine:{
lineStyle: {
color: [lineColor],
}
},
axisLabel:{
textStyle: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
}
}
}
],
xAxis: [
{
axisLabel:{
textStyle: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
}
}
}
],
series: [
{
label: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
}
},
{
label: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
}
},
]
})
}
function lightCharts(){
let textColor = "#464646";
let lineColor = "#E0E6F1";
let borderColor = "#FFFFFF";
let borderWidth = 1;
airChart.setOption({
series: [{
axisLine: {
lineStyle: {
color: [
[1, lineColor],
]
}
},
title: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
},
detail: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
}
}]
});
pollutionChart.setOption({
radiusAxis: {
axisLabel:{
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
},
},
series: [{
label: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
}
}]
});
foreDaysChart.setOption({
yAxis: [
{
splitLine:{
lineStyle: {
color: [lineColor],
}
},
axisLabel:{
textStyle: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
}
}
}
],
xAxis: [
{
axisLabel:{
textStyle: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
}
}
}
],
series: [
{
label: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
}
},
{
label: {
color: textColor,
textBorderColor: borderColor,
textBorderWidth: borderWidth,
}
},
]
})
}
function setAMap(longitude,latitude){
var layer = new AMap.TileLayer({
zooms:[3,20], //可见级别
visible:true, //是否可见
opacity:1, //透明度
zIndex: 1, //叠加层级
})
var map = new AMap.Map('amapContainer',{
layers:[layer],//当只想显示标准图层时layers属性可缺省
center: [longitude,latitude],
});
}
async function refresh(){
document.getElementById("updateTime").innerHTML = "获取数据...";
setAMap(LONGITUDE,LATITUDE);
Promise.all([
getData("https://devapi.qweather.com/v7/weather/now",LOCATION),
getData("https://devapi.qweather.com/v7/weather/24h",LOCATION),
getData("https://devapi.qweather.com/v7/weather/7d",LOCATION),
getData("https://devapi.qweather.com/v7/air/now",LOCATION)
]).then(function (results) {
parseData(results);
});
}
function getData(url,location) {
return axios.get(url, {
params: {
location : location,
key: 'f4adf1c2b510497e92ce1a5b6acccb1d'
},
}).then(function (response) {
let data = JSON.parse(response.request['response']);
return data;
}).catch(function (error) {
console.log(error);
return false;
})
}
function parseData(results){
let data_now = results[0];
let data_24h = results[1];
let data_7d = results[2];
let data_air = results[3];
let uvIndex = data_7d['daily'][0]['uvIndex'];
let cardData = {
"updateTime": data_now['now']['obsTime'].substr(11,5) + "更新",
"nowWeather": data_now['now']['text'],
"nowTemp": data_now['now']['temp'] + "°",
"nowWind": data_now['now']['windDir'] + data_now['now']['windScale'] + "级",
"nowAir": "空气" + data_air['now']['category'],
"summary": getSummary({
"dnWeather": [data_7d['daily'][0]['textDay'],data_7d['daily'][0]['textNight']],
"dnTemp": [data_7d['daily'][0]['tempMax'],data_7d['daily'][0]['tempMin']],
}),
"nowUV": uvIndex>=10?"很强":uvIndex>=7?"强":uvIndex>=5?"中等":uvIndex>=3?"弱":"最弱",
"nowHumidity": data_now['now']['humidity'] + "%",
"nowPressure" : data_now['now']['pressure'] + "hPa",
}
let foreHoursHtml = "";
for (let i = 0;i < Object.keys(data_24h['hourly']).length;i++){
foreHoursHtml += `<div class="foreHoursEach ${(i % 2 == 0)?"foreHoursEachDark":"foreHoursEachLight"}">
<div class="foreHoursTime">${data_24h['hourly'][i]['fxTime'].substr(11,5)}</div>
<div class="qicon foreHoursQicon qi-${data_24h['hourly'][i]['icon']}"></div>
<div class="foreHoursTemp">${data_24h['hourly'][i]['text']}</div>
</div>`;
}
let foreDaysHtml = "";
let dates = [];
let maxTemps = [];
let minTemps = [];
for (let i = 0;i < Object.keys(data_7d['daily']).length;i++){
foreDaysHtml += `<div class="foreDaysEach ${(i % 2 == 0)?"foreDaysEachDark":"foreDaysEachLight"}">
<div class="foreDaysWeek">${i==0?"今天":getWeek(data_7d['daily'][i]['fxDate'])}</div>
<div class="foreDaysDate">${data_7d['daily'][i]['fxDate'].substr(5,5)}</div>
<div class="qicon foreDaysQicon qi-${data_7d['daily'][i]['iconDay']}"></div>
<div class="foreDaysWeather">${data_7d['daily'][i]['textDay']}</div>
</div>`;
}
for (let i = 0;i < Object.keys(data_7d['daily']).length;i++){
dates[i] = (i==0?"今天":getWeek(data_7d['daily'][i]['fxDate'])) + "\n" + data_7d['daily'][i]['fxDate'].substr(5,5);
}
for (let i = 0;i < Object.keys(data_7d['daily']).length;i++){
maxTemps[i] = data_7d['daily'][i]['tempMax'];
minTemps[i] = data_7d['daily'][i]['tempMin'];
}
let foreDaysData = {
"foreDaysHtml": foreDaysHtml,
"dates": dates,
"maxTemps": maxTemps,
"minTemps": minTemps,
}
let todayData = {
"uvIndex": uvIndex>=10?"很强":uvIndex>=7?"强":uvIndex>=5?"中等":uvIndex>=3?"弱":"最弱",
"feelsLike": data_now['now']['feelsLike'] + "℃",
"precip": data_7d['daily'][0]['precip'] + "mm",
"humidity": data_7d['daily'][0]['humidity'] + "%",
"pressure": data_7d['daily'][0]['pressure'] + "hPa",
"vis": data_7d['daily'][0]['vis'] + "KM"
};
updateCard(cardData);
updateForeHours(foreHoursHtml);
updateForeDays(foreDaysData);
updateAir(data_air);
updateToday(todayData);
}
function getSummary(data){
let summary = "";
if (data['dnWeather'][0] == data['dnWeather'][1]){
summary += "今天全天" + data['dnWeather'][0] + "，"
}
else{
summary += "今天白天" + data['dnWeather'][0] + "，夜间" + data['dnWeather'][1] + "，"
}
summary += "最高温" + data['dnTemp'][0] + "℃，最低温" + data['dnTemp'][1] + "℃。"
return summary
}
function getWeek(dateString) {
var dateArray = dateString.split("-");
date = new Date(dateArray[0], parseInt(dateArray[1] - 1), dateArray[2]);
return "周" + "日一二三四五六".charAt(date.getDay());
};
function updateCard(cardData){
document.getElementById("nowTemp").innerHTML = cardData['nowTemp'];
document.getElementById("nowWeather").innerHTML = cardData['nowWeather'];
document.getElementById("nowWind").innerHTML = cardData['nowWind'];
document.getElementById("nowAir").innerHTML = cardData['nowAir'];
document.getElementById("updateTime").innerHTML = cardData['updateTime'];
document.getElementById("overviewSummary").innerHTML = cardData['summary'];
document.getElementById("nowUV").innerHTML = cardData['nowUV'];
document.getElementById("nowHumidity").innerHTML = cardData['nowHumidity'];
document.getElementById("nowPressure").innerHTML = cardData['nowPressure'];
}
function updateForeHours(html){
document.getElementById("foreHoursScroll").innerHTML = html;
}
function updateForeDays(foreDaysData){
document.getElementById("foreDaysScroll").innerHTML = foreDaysData['foreDaysHtml'];
//其中a代表legend中的数据，b代表类别，c代表series中的数据
foreDaysChart.setOption({
xAxis: [{data: foreDaysData['dates']}],
series: [
{
name: '最高气温',
data: foreDaysData['maxTemps'],
},
{
name: '最低气温',
data: foreDaysData['minTemps'],
},
]
})
}
function updateAir(data_air){
airChart.setOption({series: [
{
data: [
{
value: data_air['now']['aqi'],
name: data_air['now']['category'],
}
]
}]})
pollutionChart.setOption({series: [{
data: [
data_air['now']['pm2p5'],
data_air['now']['pm10'],
data_air['now']['o3'],
data_air['now']['co'],
data_air['now']['so2'],
data_air['now']['no2']
],}]})
}
function updateToday(todayData) {
document.getElementById("uvIndex").innerHTML = todayData['uvIndex'];
document.getElementById("feelsLike").innerHTML = todayData['feelsLike'];
document.getElementById("precip").innerHTML = todayData['precip'];
document.getElementById("humidity").innerHTML = todayData['humidity'];
document.getElementById("pressure").innerHTML = todayData['pressure'];
document.getElementById("vis").innerHTML = todayData['vis'];
}