微信小程序实现天气预报功能

<view class="newTopView"><!--左边添加当前城市名字，点击跳转选择城市 右边添加刷新当前天气--></view>

 <view class="topView"> <view class="degreeView"> <!--当前温度--> <text class="degree">{{currentTemperature}}</text> <!--度数图标--> <image class="circle" src="../../image/circle.png"></image> </view> <view class="detailInfo"> <view class="degreeView"> <!--夜间天气情况--> <text class="detailInfoDegree">{{nightAirTemperature}}</text> <image class="detailInfoCircle" src="../../image/circle.png" /> <text class="detailInfoLine">/</text> <!--白天天气--> <text class="detailInfoDegree">{{dayAirTemperature}}</text> <!-- style优先级比class高会覆盖class中相同属性 --> <image class="detailInfoCircle" style="margin-left: 57rpx; margin-right: 40rpx" src="../../image/circle.png" /> <!-- 当前天气名字 --> <text class="detailInfoName">{{weather}}</text> </view> </view> </view>

 <!-- 中间部分 --> <view class="centerView"> <view class="centerItem" style="margin-right: 25rpx;"> <image class="centerItemImage" src="../../image/leaf.png" /> <!-- 相同属性抽出来！ --> <!--污染指数--> <text class="centerItemText" style="margin-left: 10rpx; margin-right: 10rpx">{{aqi}}</text> <!--污染指数对应name--> <text class="centerItemText">{{quality}}</text> </view> <view class="centerItem" style="margin-left: 25rpx"> <image class="centerItemImage" src="../../image/wind.png" /> <text class="centerItemText" style="margin-left: 10rpx; margin-right: 10rpx">{{windPower}}</text> <!--风--> <text class="centerItemText">{{windDirection}}</text> </view> </view>

<!-- 底部view --> <view class="bottomView"> <!--数据返回的不是数组 在js中拼接的数组--> <block wx:for-items="{{list}}"> <view class="bottomItemView"> <image class="bottomImage" src="{{item.day_weather_pic}}" style="margin-bottom: 15rpx;" /> <text wx:if="{{item.weekday == 1}}" class="bottomText">星期一</text> <text wx:elif="{{item.weekday == 2}}" class="bottomText">星期二</text> <text wx:elif="{{item.weekday == 3}}" class="bottomText">星期三</text> <text wx:elif="{{item.weekday == 4}}" class="bottomText">星期四</text> <text wx:elif="{{item.weekday == 5}}" class="bottomText">星期五</text> <text wx:elif="{{item.weekday == 6}}" class="bottomText">星期六</text> <text wx:else="{{item.weekday == 7}}" class="bottomText">星期日</text> <view class="degreeView" style="margin-top: 20rpx;">  <text class="detailInfoDegree">{{item.night_air_temperature}}</text>  <image class="detailInfoCircle" src="../../image/circle.png" />  <text class="detailInfoLine">/</text>   <text class="detailInfoDegree">{{item.day_air_temperature}}</text>  <!-- style优先级比class高会覆盖class中相同属性 -->  <image class="detailInfoCircle" style="margin-left: 57rpx; margin-right: 40rpx" src="../../image/circle.png" /> </view></view>

//index.js//获取应用实例var app = getApp()Page({ data: { //加载状态 loadingHidden: false, //当前温度 currentTemperature: '', //夜间温度 nightAirTemperature: '', //白天温度 dayAirTemperature: '', //当前天气 weather: '', //污染指数 aqi: '', //污染程度 quality: '', //风力 windPower: '', //风向 windDirection: '', //因为数据返回不是数组所以要自己封装一个数组 list: [], height: 0, }, onLoad: function () { console.log('onLoad') var that = this //100%好像不好使 可以获取设备高度 wx.getSystemInfo({ success: function (res) { that.data.height = res.windowHeight; } }) wx.getLocation({ success: function (res) { //通过经纬度请求数据 wx.request({  //这个网站有免费API赶紧收藏  url: 'http://route.showapi.com/9-5',  data: {  showapi_appid: '11697',  showapi_sign: '6c0c15c5ec61454dac5288cea2d32881',  //  from: '5',  lng: res.longitude,  lat: res.latitude,  //获取一周情况 0是不获取  needMoreDay: '1',  needIndex: '1'  },  success: function (res) {  console.log(res)  console.log(res.data.showapi_res_body.now.api)  that.setData({  //改变加载状态  loadingHidden: true,  currentTemperature: res.data.showapi_res_body.now.temperature,  nightAirTemperature: res.data.showapi_res_body.f1.night_air_temperature,  dayAirTemperature: res.data.showapi_res_body.f1.day_air_temperature,  weather: res.data.showapi_res_body.now.weather,  aqi: res.data.showapi_res_body.now.aqi,  quality: res.data.showapi_res_body.now.aqiDetail.quality,  windPower: res.data.showapi_res_body.now.wind_power,  windDirection: res.data.showapi_res_body.now.wind_direction,  //拼接数组  list: [  {   'day_weather_pic': res.data.showapi_res_body.f1.day_weather_pic,   'weekday': res.data.showapi_res_body.f1.weekday,   'day_air_temperature': res.data.showapi_res_body.f1.day_air_temperature,   'night_air_temperature': res.data.showapi_res_body.f1.night_air_temperature  },  {   'day_weather_pic': res.data.showapi_res_body.f2.day_weather_pic,   'weekday': res.data.showapi_res_body.f2.weekday,   'day_air_temperature': res.data.showapi_res_body.f2.day_air_temperature,   'night_air_temperature': res.data.showapi_res_body.f2.night_air_temperature  },  {   'day_weather_pic': res.data.showapi_res_body.f3.day_weather_pic,   'weekday': res.data.showapi_res_body.f3.weekday,   'day_air_temperature': res.data.showapi_res_body.f3.day_air_temperature,   'night_air_temperature': res.data.showapi_res_body.f3.night_air_temperature  },  {   'day_weather_pic': res.data.showapi_res_body.f4.day_weather_pic,   'weekday': res.data.showapi_res_body.f4.weekday,   'day_air_temperature': res.data.showapi_res_body.f4.day_air_temperature,   'night_air_temperature': res.data.showapi_res_body.f4.night_air_temperature  },  {   'day_weather_pic': res.data.showapi_res_body.f5.day_weather_pic,   'weekday': res.data.showapi_res_body.f5.weekday,   'day_air_temperature': res.data.showapi_res_body.f5.day_air_temperature,   'night_air_temperature': res.data.showapi_res_body.f5.night_air_temperature  },  {   'day_weather_pic': res.data.showapi_res_body.f6.day_weather_pic,   'weekday': res.data.showapi_res_body.f6.weekday,   'day_air_temperature': res.data.showapi_res_body.f6.day_air_temperature,   'night_air_temperature': res.data.showapi_res_body.f6.night_air_temperature  },  {   'day_weather_pic': res.data.showapi_res_body.f7.day_weather_pic,   'weekday': res.data.showapi_res_body.f7.weekday,   'day_air_temperature': res.data.showapi_res_body.f7.day_air_temperature,   'night_air_temperature': res.data.showapi_res_body.f7.night_air_temperature  }  ]  })  } }) } }) }})

.container { display: flex; flex-direction: column; justify-content: space-between;}.newTopView { display: flex; flex-direction: row; justify-content: space-between;}/* 头部样式上半部分*/.topView { flex-direction: column; align-self: center; margin-top: -450rpx;}/*当前度数样式*/.degreeView { flex-direction: row; position: relative;}/*当前温度度数图标*/.circle { width: 35rpx; height: 35rpx;  position: absolute; left: 130rpx;} /*当前度数数组*/.degree { color: white; font-size: 130rpx}/*详细View样式*/.detailInfoView { flex-direction: row;}/*当前最高和最低温度度数图标*/.detailInfoCircle { width: 20rpx; height: 20rpx;  position: absolute; left: 30rpx;} /*当前度数数组*/.detailInfoDegree { color: white; font-size: 30rpx}/*斜线*/.detailInfoLine { color: white; margin-left: 15rpx; font-size: 30rpx;}/*比如阴天 晴天，暴雨*/.detailInfoName { font-size: 30rpx; color: white; margin-left: 20rpx; align-self: center}/*中间view样式*/.centerView { display: flex; flex-direction: row; margin-top: -550rpx; justify-content: center; align-items: center;}/*中间view分为两个view*/.centerItem { display: flex; flex-direction: row; align-items: center; justify-content: center;}/*Item中图片样式*/.centerItemImage { width: 25rpx; height: 25rpx;}/*文字样式*/.centerItemText { font-size: 28rpx; color: white;}/*底部view样式*/.bottomView { margin-top: -200rpx; display: flex; flex-direction: row; justify-content: space-around; align-items: center;}.bottomItemView { display: flex; flex-direction: column; align-items: center; margin-bottom: 200rpx;}/*最近七天样式*/.bottomImage { width: 70rpx; height: 70rpx;}.bottomText { font-size: 28rpx; color: white;}