xml操作

 string path = AppDomain.CurrentDomain.SetupInformation.ApplicationBase + "temp\\StatisticsDetail.config";

/// <summary>
/// 添加父节点
/// </summary>
/// <param name="content"></param>

public void InsertParentNode(string nodeName, string count)

{
XmlElement root = this.LoadXmlConfig();
XmlElement xmlElement = root.OwnerDocument.CreateElement(nodeName);
xmlElement.SetAttribute("value", count);
root.AppendChild(xmlElement);
WriteToConfig(root.OuterXml);
}

/// <summary>
/// 向配置文件中添加内容
/// </summary>
/// <param name="content"></param>
public void WriteToConfig(string content)
{
try
{
using (StreamWriter sw = new StreamWriter(path))
{
sw.Write(content);
}
}
catch (Exception e)
{
throw;
}
}

/// <summary>
/// load xml文件
/// </summary>
/// <returns></returns>
private XmlElement LoadXmlConfig()
{
XmlDocument xml = new XmlDocument();
xml.LoadXml(LoadFileContent());
return xml.DocumentElement;
}

/// <summary>
/// 加载某一文本文件内容 将统计信息暂时保存在临时文件中 该文件内容要在一天统计完后添加到数据库中
/// </summary>
/// <param name="filePath"></param>
/// <returns></returns>
public string LoadFileContent()
{
string fileContent = null;
//判断文件是否存在
if (!File.Exists(path))
{
WriteToConfig("<configuration></configuration>");
}
fileContent = File.ReadAllText(path);
return fileContent;
}

/// <summary>
/// 添加子节点 如：日请求时要记录每个小时的请求量 也就是每隔一个小时要添加一个子节点
/// </summary>
/// <param name="datelength">子节点名</param>
/// <param name="count">节点值</param>
/// <param name="parentName">父节点的节点名</param>
public void InsertChildNode(string datelenth, string count, string parentName)
{
XmlElement root = this.LoadXmlConfig();
XmlNode webNode = root.SelectSingleNode(parentName);
if (webNode != null)
{
XmlElement xmlElement = webNode.OwnerDocument.CreateElement(datelenth);
xmlElement.SetAttribute("value", count);
webNode.AppendChild(xmlElement);
WriteToConfig(root.OuterXml);
}
}

/// <summary>
///加载数据库中配置信息，获得xmlElement对象
/// </summary>
/// <returns>XmlElement对象</returns>
private XmlElement LoadStatisticsDetailConfig(string xml)
{
_xmlDocument = new XmlDocument();
string xmlContent = xml;
_xmlDocument.LoadXml(xmlContent);
return _xmlDocument.DocumentElement;
}

/// <summary>
/// 获得每周TOP的参数信息 该方法只获得网站的域名和总访问量
/// </summary>
/// <returns></returns>
public Dictionary<string, int> GetSingleWebsiteTopNodeLists(string xml)
{
Dictionary<string, int> allNodes = new Dictionary<string, int>();
XmlElement xmlElement = LoadStatisticsDetailConfig(xml);
if (xmlElement != null)
{
foreach (XmlNode xmlNode in xmlElement.ChildNodes)
{
allNodes.Add(xmlNode.Name, int.Parse(xmlNode.Attributes["value"].Value));
}
}
return allNodes;
}