private void btnTips_Click(object sender, RoutedEventArgs e)
{
if (((SolidColorBrush)btnTips.Foreground).Color == Colors.LightYellow)
{
btnTips.Foreground = new SolidColorBrush(Colors.Black);
if (WebTipsContent != null)
{
WebTipsContent.Tapped -= (s1, e1) => btnTips_Click(null, null);
mainGrid.Children.Remove(WebTipsContent);
}
}
else
{
btnTips.Foreground = new SolidColorBrush(Colors.LightYellow);
if (WebTipsContent == null)
{
WebTipsContent = new WebInfoContent(); //创建web提示窗口
}
WebTipsContent.DataContext = infoList; //绑定get到的信息
WebTipsContent.Tapped += (s1, e1) => btnTips_Click(null, null); //注册单击事件，单击可关闭
mainGrid.Children.Add(WebTipsContent);
}
}
public async Task GetNetInfo()
{
try
{
using (HttpClient client = new HttpClient())
{
string uriStr = "http://www.cjw1115.com/Info?id=" + DateTime.Now;
using (HttpResponseMessage respnese = await client.GetAsync(new Uri(uriStr)))
{
await this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() =>
{
if (infoList == null)
{
infoList = new ObservableCollection <InfoEntity>();
}
//获取json信息
string json = await respnese.Content.ReadAsStringAsync();
var list = WebInfoContent.PraseJson(json);
//添加前清空数据
infoList.Clear();
foreach (var item in list)
{
infoList.Add(item);
}
WriteWebInfoToLocal(infoList);
});
}
}
}
catch (Exception ex) { }
}