private void FrmUpdate_Load(object sender, System.EventArgs e)
{
btnFinish.Visible = false;
string localXmlFile = Application.StartupPath + "\\UpdateList.xml";
string serverXmlFile = string.Empty;
try
{
//从本地读取更新配置文件信息
updaterXmlFiles = new XmlFiles(localXmlFile);
}
catch
{
MessageBox.Show("配置文件出错!", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
Close();
return;
}
//获取服务器地址
updateUrlOnline = updaterXmlFiles.GetNodeValue("//Url");
AppUpdater.UpdaterUrl = updateUrlOnline + "/UpdateList.xml";
//与服务器连接,下载更新配置文件
try
{
tempUpdatePath = Environment.GetEnvironmentVariable("Temp") + "\\" +
"_" + updaterXmlFiles.FindNode("//A" +
"pplication").Attributes["applicati" +
"onId"].Value + "_y_x_m_\\";
AppUpdater.DownAutoUpdateFile(tempUpdatePath);
}
catch (Exception ExpTion)
{
MessageBox.Show(ExpTion.Message, "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
Close();
return;
}
//获取更新文件列表
Hashtable htUpdateFile = new Hashtable();
serverXmlFile = tempUpdatePath + "\\UpdateList.xml";
if (!File.Exists(serverXmlFile))
{
return;
}
availableUpdate = AppUpdater.CheckForUpdate(serverXmlFile, localXmlFile, out htUpdateFile);
if (availableUpdate > 0)
{
for (int i = 0; i < htUpdateFile.Count; i++)
{
string[] fileArray = (string[])htUpdateFile[i];
lvUpdateList.Items.Add(new ListViewItem(fileArray));
}
}
}
/// <summary>
/// 检查更新文件
/// </summary>
/// <param name="serverXmlFile"></param>
/// <param name="localXmlFile"></param>
/// <param name="updateFileList"></param>
/// <returns></returns>
public static int CheckForUpdate()
{
string localXmlFile = Application.StartupPath + "\\UpdateList.xml";
if (!File.Exists(localXmlFile))
{
return(-1);
}
XmlFiles updaterXmlFiles = new XmlFiles(localXmlFile);
string tempUpdatePath = Environment.GetEnvironmentVariable("Temp") + "\\" + "_" + updaterXmlFiles.FindNode("//Application").Attributes["applicationId"].Value + "_" + "y" + "_" + "x" + "_" + "m" + "_" + "\\";
UpdaterUrl = updaterXmlFiles.GetNodeValue("//Url") + "/UpdateList.xml";
DownAutoUpdateFile(tempUpdatePath);
string serverXmlFile = tempUpdatePath + "\\UpdateList.xml";
if (!File.Exists(serverXmlFile))
{
return(-1);
}
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++)
{
string[] fileList = new string[3];
string newFileName = newNodeList.Item(i).Attributes["Name"].Value.Trim();
string newVer = newNodeList.Item(i).Attributes["Ver"].Value.Trim();
ArrayList oldFileAl = new ArrayList();
for (int j = 0; j < oldNodeList.Count; j++)
{
string oldFileName = oldNodeList.Item(j).Attributes["Name"].Value.Trim();
string oldVer = oldNodeList.Item(j).Attributes["Ver"].Value.Trim();
oldFileAl.Add(oldFileName);
oldFileAl.Add(oldVer);
}
int pos = oldFileAl.IndexOf(newFileName);
if (pos == -1)
{
fileList[0] = newFileName;
fileList[1] = newVer;
k++;
}
else if (pos > -1 && newVer.CompareTo(oldFileAl[pos + 1].ToString()) > 0)
{
fileList[0] = newFileName;
fileList[1] = newVer;
k++;
}
}
return(k);
}