這篇文章主要講解了“微信小程序天氣預報功能怎么實現”，文中的講解內容簡單清晰，易于學習與理解，下面請大家跟著小編的思路慢慢深入，一起來研究和學習“微信小程序天氣預報功能怎么實現”吧！
這里我用的是和風天氣的API，打開官網注冊或者登陸你的賬號
進入控制臺,選擇應用管理,新建應用（應用版本 選擇 免費開發版，key的類型 選擇 Web API）
創建成功后就可以看到 待會要用到的 key了
微信小程序后臺域名配置
登陸小程序后臺，分別點擊開發和開發設置
點擊修改，將我們要用到的 API的域名添加到request合法域名里面
頁面代碼
.wxml
<view class="header-modular" wx:if="{{now}}">
<image class="bg-wave" src="https://cache.yisu.com/upload/information/20220429/112/7577.gif"></image>
<view class="row">
<view class="row location-wrap" bindtap="selectLocation">
<image class="icon" src="/images/icon_location.png"></image>
<view class="title">{{City}} {{County}}</view>
</view>
</view>
<view class="row">
<view class="tmp">{{now.temp}}°</view>
<image class="icon-weather" src="https://codermoyv.gitee.io/coder-moyv/assets/images/wechat/weather_custom/{{now.icon}}.png"></image>
</view>
<view class="tips-wrap">
<view class="tips ">{{now.windDir}} {{now.windScale}}級</view>
<view class="tips ">濕度 {{now.humidity}}%</view>
<view class="tips ">氣壓 {{now.pressure}}Pa</view>
</view>
</view>
<view class="card-modular " wx:if="{{hourly}}">
<view class="title">24小時預報</view>
<view class="card-wrap">
<block wx:for="{{hourly}}" wx:key="index">
<view class="item hourly">
<view class="text-gray">{{item.time}}</view>
<image class="icon" src="https://codermoyv.gitee.io/coder-moyv/assets/images/wechat/weather_custom/{{item.icon}}.png"></image>
<view class="text-primary mb-32">{{item.temp}}°</view>
<view>{{item.windDir}}</view>
<view class="text-gray">{{item.windScale}}級</view>
</view>
</block>
</view>
</view>
<view class="card-modular" wx:if="{{daily}}">
<view class="title">7天預報</view>
<view class="card-wrap">
<block wx:for="{{daily}}" wx:key="index">
<view class="item daily">
<view>{{item.dateToString}}</view>
<view class="text-gray">{{item.date}}</view>
<image class="icon" src="https://codermoyv.gitee.io/coder-moyv/assets/images/wechat/weather_custom/{{item.iconDay}}.png"></image>
<view class="text-primary ">{{item.tempMin}}°~{{item.tempMax}}°</view>
<image class="icon" src="https://codermoyv.gitee.io/coder-moyv/assets/images/wechat/weather_custom/{{item.iconNight}}.png"></image>
<view>{{item.windDirDay}}</view>
<view class="text-gray">{{item.windScaleDay}}級</view>
</view>
</block>
</view>
</view>
.wxss
page {
background-color: linear-gradient(to bottom, #ffffff,#ffffff, #F6F6F6);
padding-bottom: 60rpx;
}
/* 工具類 */
.row {
display: flex;
align-items: center;
}
.mb-32{
margin-bottom: 32rpx;
}
/* 頁面樣式 */
.header-modular {
height: 400rpx;
background-color: #64C8FA;
background: linear-gradient(to bottom, #56CCF2, #2F80ED);
position: relative;
padding: 30rpx;
}
.header-modular .bg-wave {
width: 100vw;
position: absolute;
bottom: -2px;
left: 0;
right: 0;
height: 120rpx;
mix-blend-mode: screen;
}
.header-modular .location-wrap {
color: #ffffff;
font-weight: bold;
font-size: 36rpx;
}
.header-modular .location-wrap .icon {
width: 40rpx;
height: 40rpx;
margin-right: 8rpx;
}
.header-modular .tmp {
font-size: 200rpx;
/* font-weight: bold; */
color: #ffffff;
margin-right: auto;
}
.header-modular .icon-weather {
width: 200rpx;
height: 200rpx;
}
.header-modular .tips-wrap {
display: flex;
justify-content: space-between;
}
.header-modular .tips {
font-size: 28rpx;
opacity: 0.8;
color: #ffffff;
flex: 1;
}
.header-modular .tips:nth-child(3) {
text-align: right;
}
.header-modular .tips:nth-child(2) {
text-align: center;
}
.card-modular {
padding:0 30rpx;
margin-top: 30rpx;
}
.card-modular>.title {
font-size: 40rpx;
font-weight: bold;
position: relative;
margin-left: 14rpx;
margin-bottom: 16rpx;
}
.card-modular>.title::before {
content: "";
position: absolute;
left: -14rpx;
top: 10rpx;
bottom: 10rpx;
width: 8rpx;
border-radius: 10rpx;
background-color: #2F80ED;
}
.card-modular .card-wrap {
width: 690rpx;
border-radius: 18rpx;
background-color: #ffffff;
box-shadow: 0 0 20rpx 0 rgba(0, 0, 0, 0.2);
overflow-x: auto;
white-space: nowrap;
}
.card-modular .card-wrap .item {
display: inline-flex;
flex-direction: column;
align-items: center;
font-size: 28rpx;
padding: 18rpx 0;
}
.card-modular .card-wrap .item.hourly{
width: 138rpx;
}
.card-modular .card-wrap .item.daily{
width: 172.5rpx;
}
.card-modular .card-wrap .item .icon {
width: 60rpx;
height: 60rpx;
margin: 64rpx 0;
}
.card-modular .card-wrap .item .text-gray {
color: gray;
}
.card-modular .card-wrap .item .text-primary {
color: #2F80ED;
}
.js
const APIKEY = "";// 填入你申請的KEY
Page({
/**
* 頁面的初始數據
*/
data: {
},
/**
* 生命周期函數--監聽頁面加載
*/
onLoad: function (options) {
this.getLocation()
},
//選擇定位
selectLocation() {
var that = this
wx.chooseLocation({
success(res) {
//console.log(res)
that.setData({
location: res.longitude + "," + res.latitude
})
that.getWeather()
that.getCityByLoaction()
}
, fail() {
wx.getLocation({
type: 'gcj02',
fail() {
wx.showModal({
title: '獲取地圖位置失敗',
content: '為了給您提供準確的天氣預報服務,請在設置中授權【位置信息】',
success(mRes) {
if (mRes.confirm) {
wx.openSetting({
success: function (data) {
if (data.authSetting["scope.userLocation"] === true) {
that.selectLocation()
} else {
wx.showToast({
title: '授權失敗',
icon: 'none',
duration: 1000
})
}
}, fail(err) {
console.log(err)
wx.showToast({
title: '喚起設置頁失敗，請手動打開',
icon: 'none',
duration: 1000
})
}
})
}
}
})
}
})
}
})
},
/**
* 獲取定位
*/
getLocation() {
var that = this
wx.getLocation({
type: 'gcj02',
success(res) {
that.setData({
location: res.longitude + "," + res.latitude
})
that.getWeather()
that.getCityByLoaction()
}, fail(err) {
wx.showModal({
title: '獲取定位信息失敗',
content: '為了給您提供準確的天氣預報服務,請在設置中授權【位置信息】',
success(mRes) {
if (mRes.confirm) {
wx.openSetting({
success: function (data) {
if (data.authSetting["scope.userLocation"] === true) {
wx.showToast({
title: '授權成功',
icon: 'success',
duration: 1000
})
that.getLocation()
} else {
wx.showToast({
title: '授權失敗',
icon: 'none',
duration: 1000
})
that.setData({
location: "116.41,39.92"
})
that.getWeather()
that.getCityByLoaction()
}
}, fail(err) {
console.log(err)
wx.showToast({
title: '喚起設置頁失敗，請手動打開',
icon: 'none',
duration: 1000
})
that.setData({
location: "116.41,39.92"
})
that.getWeather()
that.getCityByLoaction()
}
})
} else if (mRes.cancel) {
that.setData({
location: "116.41,39.92"
})
that.getWeather()
that.getCityByLoaction()
}
}
})
}
})
},
/**
* 根據坐標獲取城市信息
*/
getCityByLoaction() {
var that = this
wx.request({
url: 'https://geoapi.qweather.com/v2/city/lookup?key=' + APIKEY + "&location=" + that.data.location,
success(result) {
var res = result.data
if (res.code == "200") {
var data = res.location[0]
that.setData({
City: data.adm2,
County: data.name
})
} else {
wx.showToast({
title: '獲取城市信息失敗',
icon: 'none'
})
}
}
})
},
/**
* 獲取天氣
*/
getWeather() {
var that = this
wx.showLoading({
title: '加載中',
})
wx.request({
url: 'https://devapi.qweather.com/v7/weather/now?key=' + APIKEY + "&location=" + that.data.location,
success(result) {
var res = result.data
//console.log(res)
that.setData({
now: res.now
})
}
})
wx.request({
url: 'https://devapi.qweather.com/v7/weather/24h?key=' + APIKEY + "&location=" + that.data.location,
success(result) {
var res = result.data
//console.log(res)
res.hourly.forEach(function (item) {
item.time = that.formatTime(new Date(item.fxTime)).hourly
})
that.setData({
hourly: res.hourly
})
}
})
wx.request({
url: 'https://devapi.qweather.com/v7/weather/7d?key=' + APIKEY + "&location=" + that.data.location,
success(result) {
var res = result.data
//console.log(res)
res.daily.forEach(function (item) {
item.date = that.formatTime(new Date(item.fxDate)).daily
item.dateToString = that.formatTime(new Date(item.fxDate)).dailyToString
})
that.setData({
daily: res.daily
})
wx.hideLoading()
}
})
},
// 格式時間
formatTime(date) {
const year = date.getFullYear()
const month = date.getMonth() + 1
const day = date.getDate()
const hour = date.getHours()
const minute = date.getMinutes()
const second = date.getSeconds()
const weekArray = ["周日", "周一", "周二", "周三", "周四", "周五", "周六"]
const isToday = date.setHours(0, 0, 0, 0) == new Date().setHours(0, 0, 0, 0)
return {
hourly: [hour, minute].map(this.formatNumber).join(":"),
daily: [month, day].map(this.formatNumber).join("-"),
dailyToString: isToday ? "今天" : weekArray[date.getDay()]
}
},
// 補零
formatNumber(n) {
n = n.toString()
return n[1] ? n : '0' + n
},
/**
* 生命周期函數--監聽頁面初次渲染完成
*/
onReady: function () {
},
/**
* 生命周期函數--監聽頁面顯示
*/
onShow: function () {
},
/**
* 生命周期函數--監聽頁面隱藏
*/
onHide: function () {
},
/**
* 生命周期函數--監聽頁面卸載
*/
onUnload: function () {
},
/**
* 頁面相關事件處理函數--監聽用戶下拉動作
*/
onPullDownRefresh: function () {
},
/**
* 頁面上拉觸底事件的處理函數
*/
onReachBottom: function () {
},
/**
* 用戶點擊右上角分享
*/
onShareAppMessage: function () {
}
})
app.json
{
"pages": [
"pages/index/index"
],
"window": {
"backgroundTextStyle": "light",
"navigationBarBackgroundColor": "#fff",
"navigationBarTitleText": "天氣預報",
"navigationBarTextStyle": "black"
},
"permission": {
"scope.userLocation": {
"desc": "你的位置信息將用于天氣預報定位"
}
},
"style": "v2",
"sitemapLocation": "sitemap.json"
}
注意問題（必看）
為了確保 小程序 可以 正常使用，請先在和風天氣 控制臺 升級為 個人開發者（ps:該升級需要上傳實名信息）。
在js代碼中，請將剛剛申請的key 填寫進 APIKEY 里面
感謝各位的閱讀，以上就是“微信小程序天氣預報功能怎么實現”的內容了，經過本文的學習后，相信大家對微信小程序天氣預報功能怎么實現這一問題有了更深刻的體會，具體使用情況還需要大家實踐驗證。這里是億速云，小編將為大家推送更多相關知識點的文章，歡迎關注！
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