static void download_DownloadFinishedSingle(KellFileTransfer.FileDownloadClient sender, string fileFullPath)
{
if (File.Exists(fileFullPath))
{
SaveFileDialog sfd = new SaveFileDialog();
sfd.Title = "附件另存为...";
string ext = Path.GetExtension(fileFullPath);
sfd.Filter = "文件(*" + ext + ")|*" + ext;
if (sfd.ShowDialog() == DialogResult.OK)
{
try
{
File.Move(fileFullPath, sfd.FileName);
}
catch (Exception e)
{
MessageBox.Show("下载成功，但移动文件到目录[" + sfd.FileName + "]失败：" + e.Message);
}
}
sfd.Dispose();
}
else
{
MessageBox.Show("下载附件到本地后，却找不到该文件[" + fileFullPath + "]！");
}
}
private void DownloadClient_Load(object sender, EventArgs e)
{
//ipep = KellFileTransfer.Common.GetDownloadIPEndPoint();
client = new KellFileTransfer.FileDownloadClient();
client.DownloadBegined += new KellFileTransfer.DownloadHandler(client_DownloadBegined);
client.DownloadAllFinished += new EventHandler(client_DownloadAllFinished);
client.DownloadFinished += new KellFileTransfer.DownloadHandler(client_DownloadFinished);
client.DownloadingError += new KellFileTransfer.DownloadErrorHandler(client_DownloadingError);
}
private void DownloadAttachments(List <Attachment> attachs)
{
selectedCount = attachs.Count;
IPEndPoint ipep = KellFileTransfer.Common.GetDownloadIPEndPoint();
KellFileTransfer.FileDownloadClient client = new KellFileTransfer.FileDownloadClient();
client.DownloadFinishedSingle += new KellFileTransfer.DownloadSingleHandler(client_DownloadFinishedSingle);
client.DownloadingError += new KellFileTransfer.DownloadErrorHandler(client_DownloadingError);
foreach (Attachment attach in attachs)
{
User user = attach.Uploader;
//以下为禁止非原上传用户下载附件的代码，由于现在运行所有用户下载查看附件，所以屏蔽！
//int index = attach.AttachmentFilename.IndexOf("\\");// 322\123.abc
//if (index > 0 && user != null)
//{
// string userId = attach.AttachmentFilename.Substring(0, index);
// int R;
// if (int.TryParse(userId, out R))
// {
// if (user.ID != R)
// {
// continue;//非法用户
// }
// }
//}
KellFileTransfer.FILELIST file = new KellFileTransfer.FILELIST();
if (user != null)
{
file.文件路径 = user.ID + "\\" + Path.GetFileName(attach.AttachmentFilename);
}
else
{
file.文件路径 = Path.GetFileName(attach.AttachmentFilename);
}
file.文件大小 = attach.Size;
bool f = client.DownloadFileFromServer(file, ipep.Address, ipep.Port);
if (!f)
{
MessageBox.Show("下载附件失败！很有可能连接到附件服务器的网络已断开。");
}
}
button1.Refresh();
//SolidBrush Backbrush = new SolidBrush(SystemColors.Control);
//SolidBrush Forebrush = new SolidBrush(SystemColors.ControlText);
//Rectangle rect = new Rectangle(0, 0, button1.Width, button1.Height);
//using (Graphics g = button1.CreateGraphics())
//{
// g.FillRectangle(Backbrush, rect);
// SizeF size = g.MeasureString("下载附件",button1.Font);
// PointF point = new PointF(button1.Width / 2 - size.Width / 2, button1.Height / 2 - size.Height / 2);
// g.DrawString("下载附件", button1.Font, Forebrush, point);
//}
//Backbrush.Dispose();
//Forebrush.Dispose();
}
static void download_DownloadFinishedSingle(KellFileTransfer.FileDownloadClient sender, string fileFullPath)
{
if (File.Exists(fileFullPath))
{
ThreadPool.QueueUserWorkItem(new WaitCallback(Finish), fileFullPath);
}
else
{
MessageBox.Show("下载附件到本地后，却找不到该文件[" + fileFullPath + "]！");
}
}
void client_DownloadingError(KellFileTransfer.FileDownloadClient sender, Exception e)
{
SolidBrush errBrush = new SolidBrush(Color.FromArgb(100, Color.Red));
int size = button1.Width / selectedCount;
Rectangle rect = new Rectangle(0, 0, size, button1.Height);
using (Graphics g = button1.CreateGraphics())
{
g.FillRectangle(errBrush, rect);
}
errBrush.Dispose();
MessageBox.Show("下载附件[" + sender.FileName + "]时出错：" + e.Message);
}
public static void DownloadAttachment(bool open, User user, int attachId, string attachmentFileName, long size, IPEndPoint ipep = null)
{
if (string.IsNullOrEmpty(attachmentFileName))
{
return;
}
//以下为禁止非原上传用户下载附件的代码，由于现在运行所有用户下载查看附件，所以屏蔽！
//int index = attachmentFileName.IndexOf("\\");// 322\123.abc
//if (index > 0 && user != null)
//{
// string userId = attachmentFileName.Substring(0, index);
// int R;
// if (int.TryParse(userId, out R))
// {
// if (user.ID != R)
// {
// return;//非法用户
// }
// }
//}
try
{
KellFileTransfer.FileDownloadClient download = new KellFileTransfer.FileDownloadClient();
if (open)
{
download.DownloadFinishedSingle += new KellFileTransfer.DownloadSingleHandler(download_DownloadFinishedSingle);
}
KellFileTransfer.FILELIST attachment = new KellFileTransfer.FILELIST();
attachment.文件路径 = attachmentFileName;
attachment.文件大小 = size;
if (ipep == null)
{
ipep = KellFileTransfer.Common.GetDownloadIPEndPoint();
}
if (download.DownloadFileFromServer(attachment, ipep.Address, ipep.Port))
{
AttachmentLogic.GetInstance().AfterDownload(attachId);
}
else
{
MessageBox.Show("下载附件失败！很有可能连接到附件服务器的网络已断开。");
}
}
catch (Exception e)
{
MessageBox.Show("下载附件时出错：" + e.Message);
}
}
void client_DownloadFinishedSingle(KellFileTransfer.FileDownloadClient sender, string fileFullPath)
{
using (SaveFileDialog sfd = new SaveFileDialog())
{
sfd.Title = "确定将附件保存到指定位置，取消就立即打开...";
string ext = Path.GetExtension(fileFullPath);
if (!string.IsNullOrEmpty(ext))
{
sfd.Filter = "文件(*" + ext + ")|*" + ext;
}
else
{
sfd.Filter = "文件(*.*)|*.*";
}
if (sfd.ShowDialog() == DialogResult.OK)
{
try
{
File.Move(fileFullPath, sfd.FileName);
}
catch (Exception e)
{
MessageBox.Show("下载成功，但另存附件到目录[" + sfd.FileName + "]失败：" + e.Message);
}
}
else
{
try
{
Process.Start(fileFullPath);
}
catch (Exception e)
{
MessageBox.Show("下载附件成功，但打开附件[" + fileFullPath + "]时出错：" + e.Message);
}
}
}
SolidBrush brush = new SolidBrush(Color.FromArgb(100, Color.Green));
int size = button1.Width / selectedCount;
Rectangle rect = new Rectangle(0, 0, size, button1.Height);
using (Graphics g = button1.CreateGraphics())
{
g.FillRectangle(brush, rect);
}
brush.Dispose();
}
public static void DownloadAttachment(string attachmentFileName, long size, IPEndPoint ipep = null)
{
try
{
KellFileTransfer.FileDownloadClient download = new KellFileTransfer.FileDownloadClient();
download.DownloadFinishedSingle += new KellFileTransfer.DownloadSingleHandler(download_DownloadFinishedSingle);
KellFileTransfer.FILELIST attachment = new KellFileTransfer.FILELIST();
attachment.文件路径 = attachmentFileName;
attachment.文件大小 = size;
if (ipep == null)
{
ipep = KellFileTransfer.Common.GetDownloadIPEndPoint();
}
if (!download.DownloadFileFromServer(attachment, ipep.Address, ipep.Port))
{
MessageBox.Show("下载失败！");
}
}
catch (Exception e)
{
MessageBox.Show("下载时出错：" + e.Message);
}
}
void client_DownloadFinished(KellFileTransfer.FileDownloadClient sender, string filename)
{
toolStripStatusLabel1.Text = "文件[" + filename + "]下载完毕！";
}
void client_DownloadingError(KellFileTransfer.FileDownloadClient sender, Exception e)
{
toolStripStatusLabel1.Text += "出错：" + e.Message;
MessageBox.Show("下载时出错：" + e.Message);
}
void client_DownloadBegined(KellFileTransfer.FileDownloadClient sender, string filename)
{
toolStripStatusLabel1.Text = "正在下载文件[" + filename + "]...";
}
