private async void UpdateAvatarAll_OnClick(object sender, RoutedEventArgs e)
{
FileOpenPicker openPicker = new FileOpenPicker();
openPicker.FileTypeFilter.Add(".jpg");
openPicker.FileTypeFilter.Add(".png");
var storageFile = await openPicker.PickSingleFileAsync();
if (storageFile == null)
{
await new MessageDialog("请选择图片").ShowAsync();
return;
}
this.progressRing.IsActive = true;
IRandomAccessStreamWithContentType accessStream = await storageFile.OpenReadAsync();
var fileName = storageFile.Name;
byte[] content;
using (Stream stream = accessStream.AsStreamForRead((int)accessStream.Size))
{
content = new byte[stream.Length];
await stream.ReadAsync(content, 0, (int)stream.Length);
}
var fileData = new List<KeyValuePair<string, byte[]>>();
fileData.Add(new KeyValuePair<string, byte[]>(fileName, content));
var api=new MemberService();
var result= await api.UpdateAvatar(fileData);
this.progressRing.IsActive = false;
if (result.Success)
{
await new MessageDialog("更新成功").ShowAsync();
}
else
{
await new MessageDialog(result.Msg).ShowAsync();
}
}
private async void UpdateAvatarAll_OnClick(object sender, RoutedEventArgs e)
{
FileOpenPicker openPicker = new FileOpenPicker();
openPicker.FileTypeFilter.Add(".jpg");
openPicker.FileTypeFilter.Add(".png");
//openPicker.FileTypeFilter.Add(".gif");
var storageFiles = await openPicker.PickMultipleFilesAsync();
if (storageFiles == null)
{
await new MessageDialog("请选择图片").ShowAsync();
return;
}
this.progressRing.IsActive = true;
byte[] content = null;
// 获取指定的文件的文本内容
var count = 0;
foreach (var storageFile in storageFiles)
{
IRandomAccessStreamWithContentType accessStream = await storageFile.OpenReadAsync();
var fileName = storageFile.Name;
using (Stream stream = accessStream.AsStreamForRead((int)accessStream.Size))
{
content = new byte[stream.Length];
await stream.ReadAsync(content, 0, (int)stream.Length);
}
var fileData = new List<KeyValuePair<string, byte[]>>();
fileData.Add(new KeyValuePair<string, byte[]>(fileName, content));
var repository = new RepositoryAsync();
var users = await repository.GetRandomUsers(1);
var user = users.FirstOrDefault();
var api = new MemberService();
var result = await api.UpdateAvatar(user.UserId, user.SessionId, fileData);
if (result.Success)
{
count++;
}
}
this.progressRing.IsActive = false;
await new MessageDialog($"{count}个用户头像更新成功").ShowAsync();
}
