/// <summary>
/// HTTP下载远程文件并保存本地的函数
/// </summary>
void StartDownLoad(SynFileInfo FileInfo)
{
try
{
FileInfo.LastTime = DateTime.Now;
//再次new 避免WebClient不能I/O并发
WebClient client = new WebClient();
//异步下载
client.DownloadProgressChanged += new DownloadProgressChangedEventHandler(client_DownloadProgressChanged);
client.DownloadFileCompleted += new AsyncCompletedEventHandler(client_DownloadFileCompleted);
var savePath = System.AppDomain.CurrentDomain.BaseDirectory;
if (!Directory.Exists(temp))//如果不存在就创建file文件夹
{
Directory.CreateDirectory(temp);
}
string v = temp + FileInfo.DocName.Replace("/", "\\");
string newPath = v.Substring(0, v.LastIndexOf('\\'));
if (!Directory.Exists(newPath))//如果不存在就创建file文件夹
{
Directory.CreateDirectory(newPath);
}
string file = this.infor.Server + FileInfo.DocName.Replace("\\", "/");
client.DownloadFileAsync(new Uri(file), v, FileInfo);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// 下载完成调用
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void client_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
//到此则一个文件下载完毕
DownloadCompliteFileInfo = (SynFileInfo)e.UserState;
if (DownloadCompliteFileInfo.FileSize != DownloadCompliteFileInfo.Size)
{
DownloadCompliteFileInfo.RowObject.Cells["Image"].Value = Resources.cross;
DownloadCompliteFileInfo.RowObject.Cells["SynSpeed"].Value = "0%";
ECON++;
this.DownloadSize = this.DownloadSize - DownloadCompliteFileInfo.FileSize;
}
else
{
this.infor.DownloadFileList.Remove(this.infor.DownloadFileList.Where(c => c.Name == DownloadCompliteFileInfo.DocName).FirstOrDefault());
DownloadCompliteFileInfo.RowObject.Cells["Image"].Value = Resources.tick;
CON++;
lbl_SUM.Text = string.Format("文件：{0}/{1}", CON, SUM);
string path = "//File[@Name='" + DownloadCompliteFileInfo.DocName + "']";
XmlNode root = file[2].SelectSingleNode(path);
if (root == null)
{
XmlElement subElement = localDoc.CreateElement("File");
subElement.SetAttribute("Name", DownloadCompliteFileInfo.DocName);
subElement.SetAttribute("Version", DownloadCompliteFileInfo.Version);
subElement.SetAttribute("Size", DownloadCompliteFileInfo.Size.ToString());
file[2].AppendChild(subElement);
}
else
{
root.Attributes[1].Value = DownloadCompliteFileInfo.Version;
root.Attributes[2].Value = DownloadCompliteFileInfo.Size.ToString();
}
localDoc.Save(xmlPath);
}
m_SynFileInfoList.Remove(DownloadCompliteFileInfo);
if (m_SynFileInfoList.Count <= 0)
{
tr.Abort();
pb_All.Value = (int)this.DownloadSize;
lbl_Size.Text = string.Format("大小：{0}/{1}", FileOperate.GetAutoSizeString(this.DownloadSize, 2), TotalSize);
if (ECON != 0)
{
lbl_Error.Text = "文件更新失败" + ECON + "个，请尝试重新更新！\n提示：本地网络限制或访问服务器会更新失败";
lbl_Error.Visible = true;
btn_OK.Text = "重新更新";
}
else
{
CutNewFile();
CreateDesk();
CompledUpdate();
}
file[0].InnerText = this.version;
file[1].InnerText = this.remark;
localDoc.Save(xmlPath);
btn_OK.Enabled = true;
}
}
/// <summary>
/// 下载完成调用
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void client_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
//到此则一个文件下载完毕
SynFileInfo m_SynFileInfo = (SynFileInfo)e.UserState;
m_SynFileInfoList.Remove(m_SynFileInfo);
//if (m_SynFileInfoList.Count <= 0)
//{
//}
}
/// <summary>
/// 下载完成调用
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void client_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
//到此则一个文件下载完毕
SynFileInfo m_SynFileInfo = (SynFileInfo)e.UserState;
m_SynFileInfoList.Remove(m_SynFileInfo);
if (m_SynFileInfoList.Count <= 0)
{
//此时所有文件下载完毕
btnStartDownLoad.Enabled = true;
}
}
/// <summary>
/// 下载进度条
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void client_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
SynFileInfo m_SynFileInfo = (SynFileInfo)e.UserState;
m_SynFileInfo.SynProgress = e.ProgressPercentage + "%";
double secondCount = (DateTime.Now - m_SynFileInfo.LastTime).TotalSeconds;
m_SynFileInfo.SynSpeed = FileOperate.GetAutoSizeString(Convert.ToDouble(e.BytesReceived / secondCount), 2) + "/s";
//更新DataGridView中相应数据显示下载进度
m_SynFileInfo.RowObject.Cells["SynProgress"].Value = m_SynFileInfo.SynProgress;
//更新DataGridView中相应数据显示下载速度(总进度的平均速度)
m_SynFileInfo.RowObject.Cells["SynSpeed"].Value = m_SynFileInfo.SynSpeed;
}
/// <summary>
/// 下载进度条
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void client_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
DownloadFileInfo = (SynFileInfo)e.UserState;
DownloadFileInfo.RowObject.Cells["Image"].Value = Resources.hourglass_go;
DownloadFileInfo.SynProgress = e.ProgressPercentage + "%";
DownloadFileInfo.SynSpeed = FileOperate.GetAutoSizeString(e.BytesReceived, 2);
DownloadFileInfo.RowObject.Cells["SynSpeed"].Value = DownloadFileInfo.SynProgress;
DownloadFileInfo.FileSize = e.TotalBytesToReceive;
this.DownloadSize += ToInt(e.BytesReceived) - ToInt(DownloadFileInfo.RowObject.Cells["SynProgress"].Value);
DownloadFileInfo.RowObject.Cells["SynProgress"].Value = e.BytesReceived;
pb_All.Value = (int)this.DownloadSize;
lbl_Size.Text = string.Format("大小：{0}/{1}", FileOperate.GetAutoSizeString(this.DownloadSize, 2), TotalSize);
}
/// <summary>
/// HTTP下载远程文件并保存本地的函数
/// </summary>
void StartDownLoad(object o)
{
SynFileInfo m_SynFileInfo = (SynFileInfo)o;
m_SynFileInfo.LastTime = DateTime.Now;
//再次new 避免WebClient不能I/O并发
WebClient client = new WebClient();
if (m_SynFileInfo.Async)
{
//异步下载
client.DownloadProgressChanged += new DownloadProgressChangedEventHandler(client_DownloadProgressChanged);
client.DownloadFileCompleted += new AsyncCompletedEventHandler(client_DownloadFileCompleted);
client.DownloadFileAsync(new Uri(m_SynFileInfo.DownPath), m_SynFileInfo.SavePath, m_SynFileInfo);
}
else
{
client.DownloadFile(new Uri(m_SynFileInfo.DownPath), m_SynFileInfo.SavePath);
}
}
