List<UpFileInfo> GetUpdateFiles()
{
List<UpFileInfo> lstUpFile = new List<UpFileInfo>();
string xmlPath = Path.Combine(ClientUpFolder + AppUpdaterXMLFileName);
if (!File.Exists(xmlPath))
{
throw new Exception("更新目录Xml文件不存在");
}
XDocument objDoc = XDocument.Load(xmlPath);
foreach (XElement objElem in objDoc.Document.Element("update").Element("files").Elements("file"))
{
UpFileInfo objUpFile = new UpFileInfo();
objUpFile.FileName = objElem.Attribute("path").Value;
objUpFile.Version = objElem.Attribute("ver").Value;
FileInfo objFile = new FileInfo(Path.Combine(ClientUpFolder, objElem.Attribute("path").Value));
if (objFile.Exists)
objUpFile.FileLength = objFile.Length;
else
objUpFile.FileLength = -1;
lstUpFile.Add(objUpFile);
}
return lstUpFile;
}
/// <summary>
/// 获取本地Xml目录
/// </summary>
/// <returns></returns>
private List<UpFileInfo> GetLocalUpFileList()
{
List<UpFileInfo> lstUpFile = new List<UpFileInfo>();
if (!File.Exists(ConfigSet.Current.XmlFileName))
{
return new List<UpFileInfo>();
}
XDocument objDoc = XDocument.Load(ConfigSet.Current.XmlFileName);
foreach (XElement objElem in objDoc.Document.Element("update").Element("files").Elements("file"))
{
UpFileInfo objUpFile = new UpFileInfo();
objUpFile.FileName = objElem.Attribute("path").Value;
objUpFile.Version = objElem.Attribute("ver").Value;
FileInfo objFile = new FileInfo(objElem.Attribute("path").Value);
if (objFile.Exists)
objUpFile.FileLength = objFile.Length;
else
objUpFile.FileLength = -1;
lstUpFile.Add(objUpFile);
}
return lstUpFile;
}
/// <summary>
/// 下载更新文件
/// </summary>
/// <param name="objUpFile"></param>
private void DownloadFile(UpFileInfo objUpFile)
{
Stream sourceStream = null;
try
{
sourceStream = ServiceProxy.Current.CreateUpdateFileStream(objUpFile.FileName);
}
catch (Exception ex)
{
this.Dispatcher.Invoke(new Action(() =>
{
MessageBox.Show("编码:ServiceProxy.CreateUpdateFileStream\r\n描述:" + ex.Message);
UpdaterStatus = EFileStatus.Error;
this.Close();
}));
}
//创建文件夹
Directory.CreateDirectory(Path.GetDirectoryName(Path.GetFullPath(ConfigSet.Current.TempFolder + objUpFile.FileName)));
using (var targetStream = new FileStream(ConfigSet.Current.TempFolder + objUpFile.FileName, FileMode.Create, FileAccess.Write, FileShare.None))
{
//定义文件缓冲区
byte[] buffer = new byte[ConfigSet.Current.BufferSize];
int count = 0;
long totalDownloadedByte = 0;
while ((count = sourceStream.Read(buffer, 0, (int)ConfigSet.Current.BufferSize)) > 0)
{
//总下载字节数
totalDownloadedByte = count + totalDownloadedByte;
targetStream.Write(buffer, 0, count);
targetStream.Flush();
if (ConfigSet.Current.DelayMillisecond > 0)
{
Thread.Sleep(ConfigSet.Current.DelayMillisecond);
}
this.Dispatcher.Invoke(new Action(() =>
{
long totalDownloadKB = (long)Math.Floor((double)totalDownloadedByte / 1024);
//百分比，小于等于最大整数
int percent = (int)Math.Floor((double)totalDownloadedByte / (double)objUpFile.FileLength * 100);
DataTable dt = gridControl.ItemsSource as DataTable;
foreach (DataRow objRow in dt.Rows)
{
if (objRow[0].ToString() == objUpFile.FileName)
{
objRow[2] = totalDownloadKB.ToString() + "K";
objRow[3] = percent.ToString() + "%";
break;
}
}
}));
}
targetStream.Close();
sourceStream.Close();
}
//下载完成后，检查并更新
this.Dispatcher.Invoke(new Action(() =>
{
DataTable dt = gridControl.ItemsSource as DataTable;
foreach (DataRow objRow in dt.Rows)
{
if (objRow[0].ToString() == objUpFile.FileName)
{
DownloadedFileNum++; //下载完成数
DownloadingThreadNum--; //正在更新的线程数
this.Title = String.Format("开始下载... 已完成[{0}/{1}] 活动线程数[{2}]",
DownloadedFileNum, UpdateUpFileList.Count, DownloadingThreadNum);
break;
}
}
}));
}