/// <summary>
/// 检查是否有更新的返回及处理
/// </summary>
/// <param name="result"></param>
private void EndGetCheckResponse(IAsyncResult result)
{
UpdateInfo ui = new UpdateInfo();
ui.UpdateFilesInfo = new List<UpdateFileInfo>();
try
{
//结束异步请求，获取结果
HttpWebRequest webRequest = (HttpWebRequest)result.AsyncState;
WebResponse webResponse = webRequest.EndGetResponse(result);
//把输出结果转化为Person对象
Stream stream = webResponse.GetResponseStream();
StreamReader sr = new StreamReader(stream, Encoding.UTF8);
string upInfo = sr.ReadToEnd();
//开始解析更新文件的xml
if (upInfo.Trim().Length > 0)
{
XmlDocument xmldoc = new XmlDocument();
xmldoc.LoadXml(upInfo);
XmlNode root = xmldoc.SelectSingleNode("//files");
if (root.HasChildNodes)
{
ui.FilesTotalSize = int.Parse(root.Attributes["totalsize"].Value);
ui.FilesTotalSizeUnit = root.Attributes["unit"].Value;
XmlNodeList xnl = root.ChildNodes;
foreach (XmlNode xn in xnl)
{
UpdateFileInfo ufi = new UpdateFileInfo();
string ufileVersion = xn.Attributes["version"].Value;
string[] ufileVerInfo = ufileVersion.Split(new char[] { '.' });
FileVersionInfo fileVer = FileVersionInfo.GetVersionInfo(xn.Attributes["name"].Value);
string oldFileVersion = fileVer.FileVersion;
string[] oldFileVerInfo = oldFileVersion.Split(new char[] { '.' });
//以下开始比较文件版本号。如果更新文件中的文件版本号大于本地的文件版本号，则下载更新，否则，不下载此文件更新
if (int.Parse(ufileVerInfo[0]) > int.Parse(oldFileVerInfo[0]) || int.Parse(ufileVerInfo[1]) > int.Parse(oldFileVerInfo[1]) || int.Parse(ufileVerInfo[2]) > int.Parse(oldFileVerInfo[2]) || int.Parse(ufileVerInfo[3]) > int.Parse(oldFileVerInfo[3]))
{
ufi.FileName = xn.Attributes["name"].Value;
ufi.FileSize = int.Parse(xn.Attributes["size"].Value);
ufi.FileVersion = xn.Attributes["version"].Value;
ui.UpdateFilesInfo.Add(ufi);
}
}
if (ui.UpdateFilesInfo.Count == 0)
{
ui.CheckResult = "您目前的版本已是最新";
}
}
else
{
ui.CheckResult = "您目前的版本已是最新";
}
}
else
{
ui.CheckResult = "您目前的版本已是最新";
}
}
catch (Exception e)
{
ui.CheckResult = "更新检查无法完成，请联系供应商";
}
this.uInfo = ui;
if (sueh != null) sueh(ui);
}
/// <summary>
/// 检查是否有更新的返回及处理
/// </summary>
/// <param name="result"></param>
private void EndGetCheckResponse(IAsyncResult result)
{
UpdateInfo ui = new UpdateInfo();
ui.UpdateFilesInfo = new List <UpdateFileInfo>();
try
{
//结束异步请求，获取结果
HttpWebRequest webRequest = (HttpWebRequest)result.AsyncState;
WebResponse webResponse = webRequest.EndGetResponse(result);
//把输出结果转化为Person对象
Stream stream = webResponse.GetResponseStream();
StreamReader sr = new StreamReader(stream, Encoding.UTF8);
string upInfo = sr.ReadToEnd();
//开始解析更新文件的xml
if (upInfo.Trim().Length > 0)
{
XmlDocument xmldoc = new XmlDocument();
xmldoc.LoadXml(upInfo);
XmlNode root = xmldoc.SelectSingleNode("//files");
if (root.HasChildNodes)
{
ui.FilesTotalSize = int.Parse(root.Attributes["totalsize"].Value);
ui.FilesTotalSizeUnit = root.Attributes["unit"].Value;
XmlNodeList xnl = root.ChildNodes;
foreach (XmlNode xn in xnl)
{
UpdateFileInfo ufi = new UpdateFileInfo();
string ufileVersion = xn.Attributes["version"].Value;
string[] ufileVerInfo = ufileVersion.Split(new char[] { '.' });
FileVersionInfo fileVer = FileVersionInfo.GetVersionInfo(xn.Attributes["name"].Value);
string oldFileVersion = fileVer.FileVersion;
string[] oldFileVerInfo = oldFileVersion.Split(new char[] { '.' });
//以下开始比较文件版本号。如果更新文件中的文件版本号大于本地的文件版本号，则下载更新，否则，不下载此文件更新
if (int.Parse(ufileVerInfo[0]) > int.Parse(oldFileVerInfo[0]) || int.Parse(ufileVerInfo[1]) > int.Parse(oldFileVerInfo[1]) || int.Parse(ufileVerInfo[2]) > int.Parse(oldFileVerInfo[2]) || int.Parse(ufileVerInfo[3]) > int.Parse(oldFileVerInfo[3]))
{
ufi.FileName = xn.Attributes["name"].Value;
ufi.FileSize = int.Parse(xn.Attributes["size"].Value);
ufi.FileVersion = xn.Attributes["version"].Value;
ui.UpdateFilesInfo.Add(ufi);
}
}
if (ui.UpdateFilesInfo.Count == 0)
{
ui.CheckResult = "您目前的版本已是最新";
}
}
else
{
ui.CheckResult = "您目前的版本已是最新";
}
}
else
{
ui.CheckResult = "您目前的版本已是最新";
}
}
catch (Exception e)
{
ui.CheckResult = "更新检查无法完成，请联系供应商";
}
this.uInfo = ui;
if (sueh != null)
{
sueh(ui);
}
}
private void ShowUpdateInfo(UpdateInfo ui)
{
//如果有更新，则提示用户
if (ui.FilesTotalSize != 0 && String.IsNullOrEmpty(ui.CheckResult))
{
this.BeginInvoke(new MethodInvoker(delegate()
{
if (MessageBox.Show("发现软件有更新版本，是否下载更新？", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information) == System.Windows.Forms.DialogResult.OK)
{
Process.Start("Update.exe");
}
}));
}
}
