private void UpdateForm_Load(object sender, EventArgs e)
{
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);
this.Close();
return;
}
//获取服务器地址
AppUpdater appUpdater = new AppUpdater();
try
{
updateUrl = updaterXmlFiles.GetNodeValue("//Url");
appUpdater.UpdaterUrl = updateUrl + "/UpdateList.xml";
}
catch (System.Exception ex)
{
MessageBox.Show("获取服务器地址失败,失败原因为：" + ex.Message);
this.Close();
return;
}
//与服务器连接,下载更新配置文件
try
{
string strTime = DateTime.Now.ToString("yyyy_MM_dd_HH_mm_ss_fff");
//tempUpdatePath = Environment.GetEnvironmentVariable("Temp") + "\\" + "_" + updaterXmlFiles.FindNode("//Application").Attributes["applicationId"].Value + "_" + strTime + "\\";
tempUpdatePath = Directory.GetCurrentDirectory() + "\\TempUpdate\\" + "_" + updaterXmlFiles.FindNode("//Application").Attributes["applicationId"].Value + "_" + strTime + "\\";
appUpdater.DownAutoUpdateFile(tempUpdatePath);
}
catch
{
MessageBox.Show("与服务器连接失败,操作超时!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.Close();
return;
}
//获取更新文件列表
Hashtable htUpdateFile = new Hashtable();
try
{
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));
}
}
else
{
System.IO.Directory.Delete(tempUpdatePath, true);
}
}
catch (System.Exception ex)
{
MessageBox.Show("更新文件列表更新失败,失败原因为：" + ex.Message);
}
}
/// <summary>
/// 检查更新文件
/// </summary>
/// <param name="serverXmlFile"></param>
/// <param name="localXmlFile"></param>
/// <param name="updateFileList"></param>
/// <returns></returns>
public int CheckForUpdate()
{
string localXmlFile = Application.StartupPath + "\\ExcelHeaderTemplate\\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" + "_" + "\\";
this.UpdaterUrl = updaterXmlFiles.GetNodeValue("//Url") + "/UpdateList.xml";
this.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);
}
private void DownUpdateFile()
{
bool bRet = false;
Invoke((MethodInvoker) delegate
{
try
{
this.Cursor = Cursors.WaitCursor;
mainAppExe = updaterXmlFiles.GetNodeValue("//EntryPoint");
WebClient wcClient = new WebClient();
for (int i = 0; i < this.lvUpdateList.Items.Count; i++)
{
int readFileLength = 0;
try
{
string UpdateFile = lvUpdateList.Items[i].Text.Trim();
string updateFileUrl = updateUrl + lvUpdateList.Items[i].Text.Trim();
long fileLength = 0;
WebRequest webReq = WebRequest.Create(updateFileUrl);
WebResponse webRes = webReq.GetResponse();
fileLength = webRes.ContentLength;
lbState.Text = "正在下载更新文件,请稍后...";
pbDownFile.Value = 0;
pbDownFile.Maximum = (int)fileLength;
try
{
Stream srm = webRes.GetResponseStream();
StreamReader srmReader = new StreamReader(srm);
byte[] bufferbyte = new byte[fileLength];
int allByte = (int)bufferbyte.Length;
int startByte = 0;
while (fileLength > 0)
{
Application.DoEvents();
int downByte = srm.Read(bufferbyte, startByte, allByte);
if (downByte == 0)
{
break;
}
;
startByte += downByte;
allByte -= downByte;
pbDownFile.Value += downByte;
readFileLength += downByte;
float part = (float)startByte / 1024;
float total = (float)bufferbyte.Length / 1024;
int percent = Convert.ToInt32((part / total) * 100);
this.lvUpdateList.Items[i].SubItems[2].Text = percent.ToString() + "%";
}
if (readFileLength != fileLength)
{
throw new Exception("文件读取不完整");
}
string tempPath = tempUpdatePath + UpdateFile.Replace("/", "\\");
CreateDirtory(tempPath);
FileStream fs = new FileStream(tempPath, FileMode.OpenOrCreate, FileAccess.Write);
fs.Write(bufferbyte, 0, bufferbyte.Length);
srm.Close();
srmReader.Close();
fs.Close();
}
catch (WebException ex)
{
MessageBox.Show("更新文件下载失败！" + ex.Message.ToString(), "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
bRet = true;
break;
}
}
catch (System.Exception ex)
{
MessageBox.Show("更新文件下载失败！" + ex.Message.ToString(), "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
bRet = true;
break;
}
}
this.Cursor = Cursors.Default;
if (bRet)
{
System.IO.Directory.Delete(tempUpdatePath, true);
lbState.Text = "更新文件下载失败,无法安装,请重新下载文件...";
}
else
{
btnFinish.Visible = true;
btnNext.Visible = false;
lbState.Text = "下载文件完成,请点击安装更新文件...";
}
}
catch (System.Exception ex)
{
MessageBox.Show("下载更新失败,失败原因为：" + ex.Message);
}
});
}