private async void Page_Loaded(object sender, RoutedEventArgs e)
{
//此集合为GridView的source
ObservableCollection <WallpapersDetail> picModels = new ObservableCollection <WallpapersDetail>();
//json文件的url
Uri uri = new Uri("ms-appx:///Assets/file.json");
var file = await StorageFile.GetFileFromApplicationUriAsync(uri);
//读取的json文本
string text = await Windows.Storage.FileIO.ReadTextAsync(file);
//然后反序列化成类
WallpapersData wallPaperModel = Newtonsoft.Json.JsonConvert.DeserializeObject <WallpapersData>(text);
//通过重新组装成集合给GridView
foreach (var item in wallPaperModel.images)
{
picModels.Add(new WallpapersDetail()
{
Title = item.copyright,
Source = "https://www.bing.com" + item.url
});
}
GV.ItemsSource = picModels;
}
public async Task <WallpapersData> GetWallparper(int index, int number)
{
// string url = "https://cn.bing.com/HPImageArchive.aspx?format=js&idx=8&n=25";
string url = string.Format("https://cn.bing.com/HPImageArchive.aspx?format=js&idx={0}&n={1}&mkt=zh-cn", index, number);
Uri uri = new Uri(url);
//var httpClient = new HttpClient();
string json = await _httpClient.GetStringAsync(uri);
WallpapersData wallPapersData = JsonConvert.DeserializeObject <WallpapersData>(json);
return(wallPapersData);
}
public async Task TestAsync(WallpaperService wallpaperService)
{
using (HttpClient _httpClient = new HttpClient())
{
// string url = "https://cn.bing.com/HPImageArchive.aspx?format=js&idx=8&n=25";
string url = string.Format("https://cn.bing.com/HPImageArchive.aspx?format=js&idx={0}&n={1}&mkt=zh-cn", 0, 6);
Uri uri = new Uri(url);
//var httpClient = new HttpClient();
string json = await _httpClient.GetStringAsync(uri);
WallpapersData wallPapersData = JsonConvert.DeserializeObject <WallpapersData>(json);
}
//var data = await wallpaperService.GetWallparper(0, 6);
// to do...
}