微信小程序实现天气预报功能(附源码)

<view class="header">
 <view class="top">
 <view class="city">
  {{city}}
 </view>
 <view class="search">
  <input placeholder="输入城市名" bindinput="bindKeyInput" placeholder-style="color:white"></input>
  <view class="bt_search" bindtap="search">
  <icon type="search" size="18" color="white"></icon>
  </view>
 </view>
 </view>

 <view class="center">
 <view class="tmp">
  {{tmp}}°
 </view>
 <image mode="widthFix" class="cond-image" src="/UploadFiles/2021-04-02/{{imgsrc}}.png">

.wxss


page {
 background-color: #f6f6f6;
}

.header {
 background-color:#64c8fa; 
 /* background-image: linear-gradient(to right, #64a0f8, #64c8fa); */
 height: 450rpx;
 padding-top: 32rpx;
 text-align: center;
}

.top {
 display: flex;
 justify-content: space-between;
 align-content: center;
 align-items: center;
}

.city {
 text-align: center;
 color: white;
 display: inline-block;
 font-size: 52rpx;
 margin-left: 32rpx;
}

.search {
 margin-right: 32rpx;
 border-radius: 8rpx;
 display: inline-flex;
 justify-content: center;
 align-content: center;
 align-items: center;
 background-color: rgba(0, 0, 0, 0.1);
 height: 70rpx;
}

.search input {
 width: 200rpx;
 padding: 18rpx 32rpx;
 text-align: left;
 color: white;
 display: inline-block;
}

.bt_search {
 border-radius: 0 8rpx 8rpx 0;
 height: 100%;
 background-color: rgba(0, 0, 0, 0.1);
 display: inline-flex;
 justify-content: center;
 align-content: center;
 align-items: center;
}

.bt_search icon {
 margin: 8rpx 18rpx;
}

.center {
 display: flex;
 justify-content: space-between;
 align-content: center;
 align-items: center;
}

.tmp {
 margin-left: 18rpx;
 display: inline-block;
 font-size: 180rpx;
 color: white;
}
.cond-image{
 width: 200rpx;
 margin-right: 32rpx;
 margin-top: 32rpx;
}
.bottom{
 display: flex;
 justify-content: space-between;
 align-content: center;
 align-items: center;
}
.bottom view{
 color: white;
 margin: 32rpx;
}

.hourly_title{
 font-weight: bold;
 font-size: 42rpx;
 padding: 18rpx 32rpx;
}
.hourly {
 width: 718rpx;
 margin: 0 18rpx;
 border-radius: 18rpx;
 box-shadow: 0.1rem 0.1rem 0.5rem rgba(0, 0, 0, 0.15);
 white-space: nowrap;
 background-color: white;
}
.h_item {
 margin: 18rpx 0;
 display: inline-block;
 width: 143.5rpx;
 text-align: center;
 font-size: 28rpx;
}

.h_img {
 margin: 64rpx 0;
}

.h_img image {
 width: 60rpx;
}

.h_item text {
 display: block;
}

.h_time {
 color: gray;
}

.h_wind_dir {
 margin-top: 32rpx;
}

.h_wind_sc {
 color: gray;
}

.h_tmp {
 color: #027aff;
}

.daily {
 width: 718rpx;
 white-space: nowrap;
 margin: 0 18rpx;
 background-color: white;
 border-radius: 18rpx;
 box-shadow: 0.1rem 0.1rem 0.5rem rgba(0, 0, 0, 0.15);
}

.d_item {
 
 margin: 18rpx 0;
 display: inline-block;
 width: 179.5rpx;
 text-align: center;
 font-size: 28rpx;
}

.d_item text {
 display: block;
}

.d_date {
 color: gray;
}

.d_wind_dir {
 margin-top: 32rpx;
}

.d_wind_sc {
 color: gray;
}

.footer{
 font-size: 28rpx;
 color: gray;
 text-align: center;
 margin-top: 50rpx;
 margin-bottom: 18rpx;
}


.js


Page({

 /**
 * 页面的初始数据
 */
 data: {
 search_city: '',
 imgsrc:100
 },
 /**
 * 根据城市获取天气预报
 */
 getWeather(city) {
 let that = this
 //获取实况天气
 wx.request({
  url: 'https://free-api.heweather.net/s6/weather/now"imgsrc": arr[i].cond_code,
    "tmp": arr[i].tmp,
    "time": arr[i].time.substring(11),
    "wind_dir": arr[i].wind_dir,
    "wind_sc": arr[i].wind_sc
    }
   }
   that.setData({
    hourly: hourly
   })

   var weekArray = new Array("周日", "周一", "周二", "周三", "周四", "周五", "周六");
   //获取未来7天天气预报
   wx.request({
    url: 'https://free-api.heweather.net/s6/weather/forecast"今天" : weekArray[new Date(arr[i].date).getDay()],
     d_date: arr[i].date.substring(5),
     imgsrc_d: arr[i].cond_code_d,
     imgsrc_n: arr[i].cond_code_n,
     wind_dir: arr[i].wind_dir,
     wind_sc: arr[i].wind_sc,
     tmp_max: arr[i].tmp_max,
     tmp_min: arr[i].tmp_min,
     cond_txt_d: arr[i].cond_txt_d
     }
    }
    that.setData({
     daily_forecast: daily_forecast
    })
    }
   })

   }
  })

  }
 })
 },
 bindKeyInput(e) {
 this.setData({
  search_city: e.detail.value
 })
 },
 search() {
 this.getWeather(this.data.search_city)
 },
 /**
 * 生命周期函数--监听页面加载
 */
 onLoad: function(options) {
 this.getWeather("广州")
 },
})


.json


{
 "usingComponents": {},
 "navigationBarTitleText": "天气预报"
}


注意问题（必看）
由于我的项目有用到天气预报的逐小时预报和7天预报，和风天气又必须实名才能获取到此数据，所以请登录和风天气后台进行实名认证