public FileUploader(UserFile file)
{
_file = file;
_dataLength = _file.FileStream.Length;
_dataSent = 0;
_client = Utils.CreateServiceClient(); //new MixObjectsSoapClient("", "http://localhost/services/MixObjects.asmx");
//事件绑定
_client.StoreFileAdvancedCompleted += new EventHandler<StoreFileAdvancedCompletedEventArgs>(_client_StoreFileAdvancedCompleted);
_client.CancelUploadCompleted += new EventHandler<System.ComponentModel.AsyncCompletedEventArgs>(_client_CancelUploadCompleted);
_client.ChannelFactory.Closed += new EventHandler(ChannelFactory_Closed);
}
public FileUploader(UserFile file)
{
_file = file;
_dataLength = _file.FileStream.Length;
_dataSent = 0;
_client = Utils.CreateServiceClient(); //new MixObjectsSoapClient("", "http://localhost/services/MixObjects.asmx");
//事件绑定
_client.StoreFileAdvancedCompleted += new EventHandler <StoreFileAdvancedCompletedEventArgs>(_client_StoreFileAdvancedCompleted);
_client.CancelUploadCompleted += new EventHandler <System.ComponentModel.AsyncCompletedEventArgs>(_client_CancelUploadCompleted);
_client.ChannelFactory.Closed += new EventHandler(ChannelFactory_Closed);
}
/// <summary>
/// 选择文件对话框事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SelectFilesButton_Click(object sender, RoutedEventArgs e)
{
if (AttachmentList.Count >= _maxAttachments)
{
ShowMessageBox("\r\n您上传的文件数已达到系统规定的上限: " + _maxAttachments + ".");
return;
}
OpenFileDialog ofd = new OpenFileDialog();
ofd.Multiselect = true;
try
{
if(!string.IsNullOrEmpty(_fileFilter))
ofd.Filter = _fileFilter;
}
catch(ArgumentException ex)
{
ShowMessageBox("错误的文件过滤配置: " + ex.Message);
}
if (ofd.ShowDialog() == true)
{
if (filecount == 0)
filecount = AttachmentList.Count;
foreach (FileInfo file in ofd.Files)
{
if ((filecount + 1) > _maxAttachments)
{
ShowMessageBox("\r\n您上传的文件数已达到系统规定的上限: " + _maxAttachments + ".");
return;
}
filecount++;
string fileName = file.Name;
UserFile userFile = new UserFile();
userFile.FileName = file.Name;
userFile.FileStream = file.OpenRead();
userFile.ViewStream = file.OpenRead();
//总上传值在规定范围内时
if (_todayAttachSize < (_todayUploadSize + _wantUploadSize + userFile.FileStream.Length))
{
ShowMessageBox("\r\n当前附件大小: " + Math.Round((decimal)userFile.FileStream.Length / 1024 / 1024, 2) + " MB, 而今天还可以上传:" + Math.Round((decimal)(_todayAttachSize - _todayUploadSize) / 1024 / 1024, 2) + " MB.");
break;
}
//当单个文件大小大于最大上传附件尺寸时
if (userFile.FileStream.Length > _maxFileSize)
{
ShowMessageBox("\r\n当前附件大小: " + Math.Round((decimal)userFile.FileStream.Length / 1024 / 1024, 2) + " MB, 而单个附件允许最大尺寸为: " + Math.Round((decimal)_maxFileSize / 1024 / 1024, 2) + " MB.\r\n");
break;
}
//只对下面的图标文件类型生成缩略图
if ((".jpg.jpeg.png.bmp").IndexOf(Utils.CutString(userFile.FileName, userFile.FileName.LastIndexOf(".") + 1).ToLower()) >= 0)
{
BitmapImage bitimage = new BitmapImage();
try
{
bitimage.SetSource(userFile.ViewStream);
//ThumbnailImage.Source = bitimage;
//ThumbnailImage.Visibility = Visibility.Visible;
//Canvas.SetLeft(ThumbnailImageBorder, e.X + 50);
//Canvas.SetTop(ThumbnailImageBorder, e.Y - 30);
//object o = ThumbnailImage.GetValue(Canvas.ActualHeightProperty);
//ThumbnailImageBorder.Height = ThumbnailImage.Height + 10;
//expandImage.Begin();
_files.Add(userFile);
_wantUploadSize += userFile.FileStream.Length;
}
catch
{
ShowMessageBox("\r\n上传图片信息错误，请检查!");
break;
}
}
else
{
//向文件列表中添加文件信息
_files.Add(userFile);
_wantUploadSize += userFile.FileStream.Length;
}
}
}
}
