/// <summary>
/// 检查更新文件
/// </summary>
/// <param name="serverXmlFile"></param>
/// <param name="localXmlFile"></param>
/// <param name="updateFileList"></param>
/// <returns></returns>
internal int CheckForUpdate(out Hashtable updateFileList)
{
updateFileList = new Hashtable();
string localXmlFile = Application.StartupPath + "\\" + UpdateConfigName;
//加载本地升级配置文件
XmlFiles updaterXmlFiles;
try { updaterXmlFiles = new XmlFiles(localXmlFile); }
catch { throw new Exception("配置文件出错"); }
//与服务器连接,下载更新配置文件
string downLoadPath = string.Empty;
try
{
downLoadPath = tempUpdatePath;
this.DownAutoUpdateFile(tempUpdatePath);
}
catch { throw new Exception("与服务器连接失败"); }
string serverXmlFile = Path.Combine(downLoadPath, UpdateConfigName);
XmlFiles serverXmlFiles = new XmlFiles(serverXmlFile);
XmlFiles localXmlFiles = new XmlFiles(localXmlFile);
XmlNodeList newNodeList = serverXmlFiles.GetNodeList("AutoUpdater/Files");
XmlNodeList oldNodeList = localXmlFiles.GetNodeList("AutoUpdater/Files");
int k = 0;
for (int i = 0; i < newNodeList.Count; i++)
{
UpdateFile upateFile = new UpdateFile();
string newFileName = newNodeList.Item(i).Attributes["FileName"].Value.Trim();
string newVer = newNodeList.Item(i).Attributes["Version"].Value.Trim();
string newSavePath = newNodeList.Item(i).Attributes["SavePath"].Value.Trim();
string newUpdatePath = newNodeList.Item(i).Attributes["UpdatePath"].Value.Trim();
long newFileSize = Convert.ToInt64(newNodeList.Item(i).Attributes["FileSize"].Value.Trim());
ArrayList oldFileAl = new ArrayList();
for (int j = 0; j < oldNodeList.Count; j++)
{
string oldFileName = oldNodeList.Item(j).Attributes["FileName"].Value.Trim();
string oldVer = oldNodeList.Item(j).Attributes["Version"].Value.Trim();
oldFileAl.Add(oldFileName);
oldFileAl.Add(oldVer);
}
int pos = oldFileAl.IndexOf(newFileName);
if (pos == -1)
{
upateFile.FileName = newFileName;
upateFile.Version = newVer;
//upateFile.SavePath = newSavePath;
//upateFile.UpdatePath = newUpdatePath;
upateFile.FileSize = newFileSize;
updateFileList.Add(k, upateFile);
k++;
}
else if (pos > -1 && newVer.CompareTo(oldFileAl[pos + 1].ToString()) > 0)
{
upateFile.FileName = newFileName;
upateFile.Version = newVer;
//upateFile.SavePath = newSavePath;
//upateFile.UpdatePath = newUpdatePath;
upateFile.FileSize = newFileSize;
updateFileList.Add(k, upateFile);
k++;
}
}
return k;
}
public void Start()
{
try
{
string configName = Path.GetFullPath(UpdateConfigName);
XmlFiles updaterXmlFiles;
try { updaterXmlFiles = new XmlFiles(configName); }
catch { throw new Exception("配置文件出错"); }
UpdateUrl = updaterXmlFiles.GetNodeValue("//Url");
EntryPoint = updaterXmlFiles.GetNodeValue("//EntryPoint");
ApplicationId = updaterXmlFiles.FindNode("//Application").Attributes["applicationId"].Value;
tempUpdatePath = Environment.GetEnvironmentVariable("Temp") + "\\" + "_" + ApplicationId + "_" + "y" + "_" + "x" + "_" + "m" + "_" + "\\";
mainAppExe = Path.GetFullPath(updaterXmlFiles.GetNodeValue("//Location"));
OnPreUpdate();
//获取更新文件列表
Hashtable htUpdateFile = new Hashtable();
int availableUpdate = this.CheckForUpdate(out htUpdateFile);
if (availableUpdate > 0)
{
List<UpdateFile> list = new List<UpdateFile>();
for (int i = 0; i < htUpdateFile.Count; i++)
{
list.Add((UpdateFile)htUpdateFile[i]);
}
OnGetUpdateFiles(list);
Thread threadDown = new Thread(new ParameterizedThreadStart(DownUpdateFile));
threadDown.IsBackground = true;
threadDown.Start(list);
}
else
{
OnNoUpdatesFound();
}
}
catch (Exception ex)
{
this.OnUpdateError(ex.Message);
}
}
