wp天气预报

ak

url  http://developer.baidu.com/map/index.php?title=car

后台cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using System.Runtime.Serialization.Json;
using System.Text;
using Windows.Data.Json;
using Windows.Devices.Geolocation;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
using Windows.Web.Http;

// “空白页”项模板在 http://go.microsoft.com/fwlink/?LinkId=234238 上提供

namespace App3
{
    /// <summary>
    /// 可独立使用或用于导航至 Frame 内部的空白页。
    /// </summary>
    public sealed partial class MainPage : Page
    {
        string ak = "XXXXXXXXXXXXXXXXXXXXXXXXXX";
        public MainPage()
        {
            this.InitializeComponent();
        }
        /// <summary>
        /// 导航到该页面的时候被执行
        /// </summary>
        /// <param name="e"></param>
        protected async override void OnNavigatedTo(NavigationEventArgs e)
        {
            Load.IsActive = true;
            var cityName = await GetCityName();
            var data = await GetWeatherByCityName(cityName);
            var viewModel = new MainPageViewModel();
            viewModel.CityName = cityName;
            viewModel.IndexInfos = data.results[0].index;
            viewModel.WeatherInfos = data.results[0].weather_data;
            this.DataContext = viewModel;
            Load.IsActive = false;

        }

        private async System.Threading.Tasks.Task<weatherDate> GetWeatherByCityName(string cityName)
        {
            var apiAddress = string.Format("http://api.map.baidu.com/telematics/v3/weather?location={0}&output=json&ak={1}", cityName, ak);
            HttpClient client = new HttpClient();
            var json = await client.GetStringAsync(new Uri(apiAddress));
            DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(weatherDate));
            using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(json)))
            {
                return serializer.ReadObject(ms) as weatherDate;
            }
        }

        private static async System.Threading.Tasks.Task<string> GetCityName()
        {
            Geolocator o = new Geolocator();
            var geo = await o.GetGeopositionAsync();
            var position = geo.Coordinate.Point.Position;
            var apiAddress = string.Format("http://api.map.baidu.com/geocoder/v2/?ak=XXXXXXXXXXXXXXXXXXXXXX&output=json&location={0},{1}", position.Latitude, position.Longitude);
            HttpClient client = new HttpClient();
            var json = await client.GetStringAsync(new Uri(apiAddress));
            var jsonObject = JsonObject.Parse(json);
            var cityName = jsonObject["result"].GetObject()["addressComponent"].GetObject()["city"].GetString();
            return cityName;
        }
    }
    public class MainPageViewModel
    {
        public string CityName { get; set; }
        public IList<indexList> IndexInfos { get; set; }
        public IList<weather_dataList> WeatherInfos { get; set; }
    }
    public class weatherDate
    {
        public int error { get; set; }
        public string status { get; set; }
        public string date { get; set; }
        public List<resultsList> results { get; set; }
    }
    public class resultsList
    {
        public string currentCity { get; set; }
        public string pm25 { get; set; }
        public List<indexList> index { get; set; }
        public List<weather_dataList> weather_data { get; set; }
    }
    public class indexList
    {
        public string title { get; set; }
        public string zs { get; set; }
        public string tipt { get; set; }
        public string des { get; set; }
    }
    public class weather_dataList
    {
        public string date { get; set; }
        public string dayPictureUrl { get; set; }
        public string nightPictureUrl { get; set; }
        public string weather { get; set; }
        public string wind { get; set; }
        public string temperature { get; set; }
    }

}

 前台xaml

<Page
    x:Class="App3.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:App3"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">

    <Grid>
        <Hub>
            <HubSection  x:Uid="index1">
                <HubSection.Background>
                    <ImageBrush  ImageSource="/Assets/aa.jpg" Stretch="UniformToFill"/>
                </HubSection.Background>
                <DataTemplate>
                    <Grid Width="350" Height="500" >
                        <TextBlock Text="{Binding CityName}" Foreground="Red" HorizontalAlignment="Center" VerticalAlignment="Center"   FontSize="22"  />
                    </Grid>
                </DataTemplate>
            </HubSection>
            <HubSection x:Uid="index2">
                <DataTemplate>
                    <ListView ItemsSource="{Binding WeatherInfos}">
                        <ListView.ItemTemplate>
                            <DataTemplate>
                                <Border Width="360" BorderThickness="2" BorderBrush="#FF2996AE">
                                    <StackPanel>
                                        <TextBlock Text="{Binding date}" FontSize="25"/>
                                        <TextBlock Text="{Binding weather}" FontSize="30"/>
                                        <StackPanel Orientation="Horizontal">
                                            <Image Source="{Binding dayPictureUrl}"></Image>
                                        </StackPanel>
                                        <TextBlock Text="{Binding wind}" FontSize="25"/>
                                        <TextBlock Text="{Binding temperature}" FontSize="30"/>
                                    </StackPanel>
                                </Border>
                            </DataTemplate>
                        </ListView.ItemTemplate>
                    </ListView>
                </DataTemplate>
            </HubSection>
            <HubSection x:Uid="index3">
                <DataTemplate>
                    <ListView ItemsSource="{Binding IndexInfos}">
                        <ListView.ItemTemplate>
                            <DataTemplate>
                                <Border>
                                    <StackPanel>
                                        <TextBlock Text="{Binding tipt}" FontSize="30"/>
                                        <TextBlock Text="{Binding zs}" FontSize="30"/>
                                        <TextBlock Text="{Binding des}" FontSize="30" TextWrapping="Wrap"/>
                                    </StackPanel>
                                </Border>
                            </DataTemplate>
                        </ListView.ItemTemplate>
                    </ListView>
                </DataTemplate>
            </HubSection>
        </Hub>
        <ProgressRing Height="100" Width="100" x:Name="Load"/>
    </Grid>
</Page>