/// <summary>
/// 附件上传
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUpload_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.CheckFileExists = true; //检查文件是否存在
dlg.Multiselect = false; //是否允许多选，false表示单选
dlg.CheckPathExists = true;
//只限制上传word和excel
dlg.Filter = "Office Files|*.doc;*.docx;*.xls;*.xlsx";
if ((bool)dlg.ShowDialog())
{
string attpath = dlg.FileName;
string attname = dlg.SafeFileName;
string xpsname = attname.Substring(0, attname.LastIndexOf(".")) + ".xps";
string xpspath = System.IO.Path.Combine(FileManageHelper.GetPath(), xpsname);
try
{
if (OfficeConverter.IsValidOfficeFile(attpath))
{
OfficeConverter.ConvertToXps(attpath, xpspath);
UplodeAttToService(attpath);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.GetExceptionMessage());
}
}
}
/// <summary>
/// 上传到服务器指定目录
/// </summary>
/// <param name="ServerPath"></param>
/// <param name="EnclouseFolderPath"></param>
/// <returns></returns>
private void UplodeAttToService(string ServerPath)
{
//获取文件名
string fileName = ServerPath.Substring(ServerPath.LastIndexOf("\\") + 1);
string filePath = System.IO.Path.Combine(FileManageHelper.GetPath(), fileName);
FileStream fs = null;
try
{
WebClient web = new WebClient();
web.Credentials = CredentialCache.DefaultCredentials;
//初始化上传文件 打开读取
fs = new FileStream(ServerPath, FileMode.Open, FileAccess.Read);
if (fs.Length / 1024 / 1024 > 20)
{
MessageBox.Show("上传附件不支持超过20M大小的文件。");
}
else
{
BinaryReader br = new BinaryReader(fs);
byte[] btArray = br.ReadBytes((int)fs.Length);
Stream uplodeStream = web.OpenWrite(filePath, "PUT");
if (uplodeStream.CanWrite)
{
uplodeStream.Write(btArray, 0, btArray.Length);
uplodeStream.Flush();
uplodeStream.Close();
FileAttachment att = new FileAttachment();
att.DataState = DataStateEnum.Added;
att.GUID = System.Guid.NewGuid().ToString();
att.FileGuid = CurrentFile.GUID;
att.AttName = fileName;
att.AttSize = (Int32)fs.Length;
att.AttContent = btArray;
att.UploadData = DateTime.Now.Date;
AttachmentSources.Add(att);
UpdateAttSource();
}
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
if (fs != null)
{
fs.Close();//上传成功后，关闭流
}
}
}
/// <summary>
///删除客户端缓存的文件
/// </summary>
/// <param name="file"></param>
private void DeleteClientAtts(List <FileAttachment> attachments)
{
foreach (FileAttachment att in attachments)
{
string savePath = FileManageHelper.GetPath() + att.AttName;
string xpsPath = savePath.Substring(0, savePath.LastIndexOf(".")).ToString() + ".xps";
if (System.IO.File.Exists(savePath))
{
System.IO.File.Delete(savePath);
System.IO.File.Delete(xpsPath);
}
}
}
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());
}
}
}
