Windows Phone 十六、HttpClient

1     <Grid>
2         <TextBox x:Name="txtUrl"/>
3         <Button Content="DOWN" Click="Button_Click"/>
4     </Grid>

 1         protected async override void OnNavigatedTo(NavigationEventArgs e)
 2         {
 3             HttpClient client = new HttpClient();
 4             client.DefaultRequestHeaders.Authorization = new Windows.Web.Http.Headers.HttpCredentialsHeaderValue("Basic", "111:222");
 5             //GET请求
 6             var result = await client.GetStringAsync(new Uri("http://localhost:7080/index.ashx"));
 7 
 8             var dict = new Dictionary<string, string>();
 9             dict.Add("ke1", "val1");
10             dict.Add("ke2", "val2");
11             //await client.PostAsync(new Uri("http://localhost:7080/index.ashx"), new HttpFormUrlEncodedContent(dict));
12             //await client.PostAsync(new Uri("http://localhost:7080/index.ashx"), new HttpStringContent("abc"));
13 
14             var file = await ApplicationData.Current.LocalCacheFolder.CreateFileAsync("1.txt", CreationCollisionOption.ReplaceExisting);
15             await FileIO.AppendTextAsync(file, "abcdefghijklmnopqrstuvwxyz");
16             var fileStream = await file.OpenAsync(FileAccessMode.Read);
17             await client.PostAsync(new Uri("http://localhost:7080/index.ashx"), new HttpStreamContent(fileStream));
18         }
19 
20         private async void Button_Click(object sender, RoutedEventArgs e)
21         {
22             //定义请求Uri
23             var requestUri = new Uri(txtUrl.Text);
24             //创建一个Http请求客户端HttpClient
25             var client = new HttpClient();
26             //创建定期监视对象
27             IProgress<HttpProgress> progress = new Progress<HttpProgress>((p) =>
28             {
29                 //此处参数P，可以获取到进度相关信息
30                 System.Diagnostics.Debug.WriteLine(p.BytesReceived + "/" + p.TotalBytesToReceive);
31             });
32             //在异步任务中加入进度监控
33             HttpResponseMessage response = await client.GetAsync(requestUri).AsTask(progress);
34         }