/// <summary>
/// 下载文件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DownloadFile_Click(object sender, RoutedEventArgs e)
{
try
{
FileAttachment attachment = (sender as System.Windows.Documents.Hyperlink).DataContext as FileAttachment;
if (attachment == null)
{
return;
}
string docstr = attachment.AttName.Substring(attachment.AttName.LastIndexOf('.'));
string serviceDocPath = FileManageHelper.ByteConvertDocService(attachment.AttContent, attachment.AttName);
WebClient webClient = new WebClient();
SaveFileDialog dlg = new SaveFileDialog();
dlg.FileName = "文件下载";
//dlg.Reset();
if (docstr == ".doc" || docstr == ".docx")
{
dlg.Filter += "Word 文件|*.doc;*.docx";
}
else if (docstr == ".xls" || docstr == ".xlsx")
{
dlg.Filter += "Excel 文件|*.xls;*.xlsx";
}
// dlg.Filter = "Office Files|*.doc;*.docx;*.xls;*.xlsx";
if (dlg.ShowDialog() == true)
{
try
{
webClient.DownloadFile(serviceDocPath, dlg.FileName);
MessageBox.Show("文件下载成功！");
}
catch (Exception ec)
{
MessageBox.Show(ec.GetExceptionMessage());
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.GetExceptionMessage());
}
}
private void dgList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (SelectFileAttachment == null)
{
return; //防止单击空白或标题等触发该事件
}
string xpspath = FileManageHelper.GetPath() + SelectFileAttachment.AttName.Substring(0, SelectFileAttachment.AttName.LastIndexOf(".")) + ".xps";
if (System.IO.File.Exists(xpspath))
{
//已经存xps文件，直接加载
using (XpsDocument xpsDoc = new XpsDocument(xpspath, FileAccess.Read))
{
var fsxps = xpsDoc.GetFixedDocumentSequence();
xpsDocViewr.Document = fsxps;
}
}
else
{
string filepath = FileManageHelper.ByteConvertDocService(SelectFileAttachment.AttContent, SelectFileAttachment.AttName);
string xpsfilepath = filepath.Substring(0, filepath.LastIndexOf(".")).ToString() + ".xps";
try
{
if (OfficeConverter.IsValidOfficeFile(filepath))
{
OfficeConverter.ConvertToXps(filepath, xpsfilepath);
using (XpsDocument xpsDoc = new XpsDocument(xpsfilepath, FileAccess.Read))
{
var fsxps = xpsDoc.GetFixedDocumentSequence();
xpsDocViewr.Document = fsxps;
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.GetExceptionMessage());
}
}
}