private void btnUploadAvatar_Click(object sender, RoutedEventArgs e)
{
string avatar = _OpenFileDialog("选择头像", "jpg文件(*.jpg)|*.jpg");
if (!string.IsNullOrEmpty(avatar))
{
using (FileStream fs = File.Open(avatar, FileMode.Open, FileAccess.Read, FileShare.Read))
{
try
{
WebApiClientHelper.DoStreamRequest(
GlobalData.GetResUri(string.Format("avatars/{0}", GlobalData.CurrentUserName)),
EnuHttpMethod.Put, fs);
}
catch (ClientException ex)
{
Commands.ShowPopupAlert.Execute(new ShowPopupAlertParam {
AlertMessage = ex.Message, AlertType = EnuPopupAlertType.Error
}, this);
return;
}
}
//设置头像(需要重新打开文件流并将它转为MemoryStream)
using (FileStream fs = File.Open(avatar, FileMode.Open, FileAccess.Read, FileShare.Read))
{
if (fs.Length > 0)
{
byte[] memory = new byte[fs.Length];
fs.Read(memory, 0, (int)fs.Length);
SetAvatarImage(new MemoryStream(memory));
}
}
}
}
private void RetrieveMyAvatar()
{
Stream stm;
try
{
stm = WebApiClientHelper.DoStreamRequest(GlobalData.GetResUri(string.Format("avatars/{0}", GlobalData.CurrentUserName)), EnuHttpMethod.Get);
}
catch (ClientException) //忽略获取失败的错误
{
return;
}
if (stm == null)
{
imgAvatar.Source = null;
return;
}
SetAvatarImage(stm);
}