/// <summary>
/// 检查版本更新
/// </summary>
/// <param name="xmlPath">本地版本信息xml所在目录</param>
/// <param name="webServiceAddress">服务器版本信息xml的所在目录URL</param>
/// <returns>是否有更新</returns>
public bool VersionCheck(string xmlPath, string webServiceAddress) //版本号校验
{
var newVersionExist = false;
if (!xmlPath.EndsWith(@"/"))
{
xmlPath += @"/";
}
if (!File.Exists(xmlPath + "UpdateConfig.xml"))
{
var updateConfig = new XmlDocument();
updateConfig.LoadXml(@"<root></root>");
updateConfig.Save(xmlPath + "UpdateConfig.xml");
}
try
{
var appUpdate = new MyService(webServiceAddress);
XmlDocument serverXmlDoc = appUpdate.AppUpdateVersion();
var localXmlDoc = new XmlDocument();
localXmlDoc.Load(xmlPath + @"UpdateConfig.xml");
if (serverXmlDoc.DocumentElement != null && localXmlDoc.DocumentElement != null)
{
XmlNodeList serverNodes = serverXmlDoc.DocumentElement.GetElementsByTagName("File");
XmlNodeList localNodes = localXmlDoc.DocumentElement.GetElementsByTagName("File");
foreach (XmlNode serverNode in serverNodes)
{
var moduleExist = false;
foreach (XmlNode localNode in localNodes)
{
//找到对应模块
if (((XmlElement)localNode).GetElementsByTagName("FileName")[0].InnerText
!= ((XmlElement)serverNode).GetElementsByTagName("FileName")[0].InnerText)
{
continue;
}
moduleExist = true;
bool isNew;
try
{
isNew = new Version(((XmlElement)localNode).GetElementsByTagName("Version")[0].InnerText).CompareTo(
new Version(((XmlElement)serverNode).GetElementsByTagName("Version")[0].InnerText)) < 0;
}
catch
{
isNew = string.Compare(((XmlElement)localNode).GetElementsByTagName("Version")[0].InnerText,
((XmlElement)serverNode).GetElementsByTagName("Version")[0].InnerText, StringComparison.Ordinal) < 0;
}
//版本号判断
if (isNew)
{
newVersionExist = true;
DataRow dr = this._neededToDownload.NewRow();
dr[0] = ((XmlElement)serverNode).GetElementsByTagName("FileName")[0].InnerText;
dr[1] = ((XmlElement)serverNode).GetElementsByTagName("SourceDir")[0].InnerText;
dr[2] = ((XmlElement)serverNode).GetElementsByTagName("DestDir")[0].InnerText;
this._neededToDownload.Rows.Add(dr);
}
break;
}
//没找到对应模块
if (moduleExist)
{
continue;
}
{
newVersionExist = true;
DataRow dr = this._neededToDownload.NewRow();
dr[0] = ((XmlElement)serverNode).GetElementsByTagName("FileName")[0].InnerText;
dr[1] = ((XmlElement)serverNode).GetElementsByTagName("SourceDir")[0].InnerText;
dr[2] = ((XmlElement)serverNode).GetElementsByTagName("DestDir")[0].InnerText;
this._neededToDownload.Rows.Add(dr);
}
}
}
this.xml = (XmlDocument)serverXmlDoc.Clone();
}
catch
{
return(false);
}
return(newVersionExist);
}