private void FrmUpdate_Load(object sender, EventArgs e) { CheckForIllegalCrossThreadCalls = false; panel2.Visible = false; btnFinish.Visible = false; string localXmlFile = Application.StartupPath + "\\UpdateList.xml"; string serverXmlFile = string.Empty; Console.WriteLine(Application.StartupPath); 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 updateUrl = updaterXmlFiles.GetNodeValue("//Url"); AppUpdater appUpdater = new AppUpdater(); appUpdater.UpdaterUrl = updateUrl + "/UpdateList.xml"; Console.WriteLine(appUpdater.UpdaterUrl); //与服务器连接,下载更新配置文件 try { tempUpdatePath = Environment.GetEnvironmentVariable("Temp") + "\\" + "_" + updaterXmlFiles.FindNode("//Application").Attributes["applicationId"].Value + "_" + "y" + "_" + "x" + "_" + "m" + "_" + "\\"; 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(); 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 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" + "_" + "\\"; 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() { //this.Cursor = Cursors.WaitCursor; mainAppExe = updaterXmlFiles.GetNodeValue("//EntryPoint"); Console.WriteLine(mainAppExe); WebClient wcClient = new WebClient(); for (int i = 0; i < this.lvUpdateList.Items.Count; i++) { 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; 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() + "%"; } string tempPath = tempUpdatePath + UpdateFile; 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); } } InvalidateControl(); //this.Cursor = Cursors.Default; }