xml操作
XML如下
<help>
<email>help@pboedu.com</email>
<email>help@pboedu.cn</email>
<tel>010-52926789</tel>
<tel>010-52926789</tel>
<mobile>010-52926789</mobile>
<qq>240100889</qq>
<qq>82926798</qq>
<bbslink>bbs.pboedu.com</bbslink>
<category>
<item id="01" des="新手上路"></item>
<item id="02" des="注册登录"></item>
<item id="03" des="体验试听"></item>
<item id="04" des="网上书店"></item>
<item id="05" des="技术支持"></item>
<item id="06" des="购买付款"></item>
<item id="07" des="课程学习"></item>
<item id="08" des="其他问题"></item>
</category>
</help>
操作类如下：
/// <summary>
/// xml操作辅助类
/// </summary>
public class XmlHelper
{
protected string strXmlFile;
protected XmlDocument objXmlDoc = new XmlDocument();
/// <summary>
/// 构造函数
/// </summary>
/// <param name="XmlFile">The XML file.</param>
public XmlHelper(string XmlFile)
{
try
{
objXmlDoc.Load(XmlFile);
}
catch (System.Exception ex)
{
throw ex;
}
strXmlFile = XmlFile;
}
/// <summary>
/// 获取操作类
/// </summary>
/// <param name="filename">The filename.</param>
/// <returns></returns>
public static XmlHelper getXmlTool(string filename)
{
object obj = CacheHelper.Get(filename);
if (obj == null)
{
string filepath = HttpContext.Current.Server.MapPath("~/config/") + filename;
XmlHelper xt = new XmlHelper(filepath);
CacheHelper.Add(filename, xt, filepath);
return xt;
}
else
{
return (XmlHelper)obj;
}
}
/// <summary>
/// 存储文档
/// </summary>
public void Save()
{
try
{
objXmlDoc.Save(strXmlFile);
ClearCache();
}
catch (System.Exception ex)
{
throw ex;
}
}
/// <summary>
/// 清除缓存
/// </summary>
public void ClearCache()
{
string filename = Path.GetFileName(strXmlFile);
CacheHelper.Remove(filename);
}
/// <summary>
/// 获取多个节点
/// </summary>
/// <param name="xpath">The xpath.</param>
/// <returns></returns>
public XmlNodeList getNodes(string xpath)
{
XmlNodeList nodes = objXmlDoc.SelectNodes(xpath);
return nodes;
}
/// <summary>
/// 获取单个节点
/// </summary>
/// <param name="xpath">The xpath.</param>
/// <returns></returns>
public XmlNode getNode(string xpath)
{
return objXmlDoc.SelectSingleNode(xpath);
}
///// <summary>
///// 获取节点属性
///// </summary>
///// <param name="XmlPathNode">The XML path node.</param>
///// <returns></returns>
//public CategoryNode GetCategoryNodeibute(string XmlPathNode)
//{
// CategoryNode atr = new CategoryNode();
// XmlNode node = objXmlDoc.SelectSingleNode(XmlPathNode);
// atr.id = node.Attributes[0].Value;
// atr.des = node.Attributes[1].Value;
// return atr;
//}
///// <summary>
///// 获取父节点属性
///// </summary>
///// <param name="XmlPathNode">The XML path node.</param>
///// <returns></returns>
//public CategoryNode GetParentCategoryNodeibute(string XmlPathNode)
//{
// CategoryNode atr = new CategoryNode();
// XmlNode node = objXmlDoc.SelectSingleNode(XmlPathNode);
// atr.id = node.ParentNode.Attributes[0].Value;
// atr.des = node.ParentNode.Attributes[1].Value;
// return atr;
//}
///// <summary>
///// 获取爷节点属性
///// </summary>
///// <param name="XmlPathNode">The XML path node.</param>
///// <returns></returns>
//public CategoryNode GetGrandParentCategoryNodeibute(string XmlPathNode)
//{
// CategoryNode atr = new CategoryNode();
// XmlNode node = objXmlDoc.SelectSingleNode(XmlPathNode);
// atr.id = node.ParentNode.ParentNode.Attributes[0].Value;
// atr.des = node.ParentNode.ParentNode.Attributes[1].Value;
// return atr;
//}
/// <summary>
/// 获取节点值
/// </summary>
/// <param name="XmlPathNode">The XML path node.</param>
/// <returns></returns>
public string GetNodeValue(string XmlPathNode)
{
XmlNode node = objXmlDoc.SelectSingleNode(XmlPathNode);
return node.InnerText;
}
public void ReplaceAttr(string Xpath, string des)
{
XmlNode node = objXmlDoc.SelectSingleNode(Xpath);
node.Attributes[1].Value = des;
}
/// <summary>
/// 删除该节点
/// </summary>
/// <param name="Node">The node.</param>
public void Delete(string Node)
{
XmlNode node = objXmlDoc.SelectSingleNode(Node);
if (node.PreviousSibling != null && node.NextSibling == null)
{
string mainNode = Node.Substring(0, Node.LastIndexOf("/"));
objXmlDoc.SelectSingleNode(mainNode).RemoveChild(node);
}
}
/// <summary>
/// 将此节点与其前兄弟节点交换
/// </summary>
/// <param name="Xpath">The xpath.</param>
public void PrevMove(string Xpath)
{
XmlNode node = objXmlDoc.SelectSingleNode(Xpath);
XmlNode prevNode = node.PreviousSibling;
XmlNode parentNode = node.ParentNode;
if (prevNode.PreviousSibling != null)
parentNode.InsertBefore(node, prevNode);
}
/// <summary>
/// 插入节点和其子节点
/// </summary>
/// <param name="MainNode">The main node.</param>
/// <param name="ChildNode">The child node.</param>
/// <param name="Attrib">The attrib.</param>
/// <param name="AttribContent">Content of the attrib.</param>
/// <param name="Elements">The elements.</param>
public void InsertNode(string MainNode, string ChildNode, string Attrib, string AttribContent, params string[] Elements)
{
XmlNode objRootNode = objXmlDoc.SelectSingleNode(MainNode);
XmlElement objChildNode = objXmlDoc.CreateElement(ChildNode);
objChildNode.SetAttribute(Attrib, AttribContent);
objRootNode.AppendChild(objChildNode);
for (int i = 0; i < Elements.Length; i += 2)
{
XmlElement objElement = objXmlDoc.CreateElement(Elements[i]);
objElement.InnerText = Elements[i + 1];
objChildNode.AppendChild(objElement);
}
}
/// <summary>
/// Inserts the content of the node with.
/// </summary>
/// <param name="MainNode">The main node.</param>
/// <param name="ChildNode">The child node.</param>
/// <param name="content">The content.</param>
/// <param name="Elements">The elements.</param>
public void InsertNode(string MainNode, string ChildNode, string content, params string[] Elements)
{
//插入一節點和此節點的一子節點。
XmlNode objRootNode = objXmlDoc.SelectSingleNode(MainNode);
XmlElement objChildNode = objXmlDoc.CreateElement(ChildNode);
objChildNode.InnerText = content;
for (int i = 0; i < Elements.Length; i += 2)
{
objChildNode.SetAttribute(Elements[i], Elements[i + 1]);
}
objRootNode.AppendChild(objChildNode);
}
public void InsertElement(string MainNode, string Element, string Attrib, string AttribContent, string Content)
{
//插入一個節點，帶一屬性。
XmlNode objNode = objXmlDoc.SelectSingleNode(MainNode);
XmlElement objElement = objXmlDoc.CreateElement(Element);
objElement.SetAttribute(Attrib, AttribContent);
objElement.InnerText = Content;
objNode.AppendChild(objElement);
}
public void InsertElement(string MainNode, string Element, string Content)
{
//插入一個節點，不帶屬性。
XmlNode objNode = objXmlDoc.SelectSingleNode(MainNode);
XmlElement objElement = objXmlDoc.CreateElement(Element);
objElement.InnerText = Content;
objNode.AppendChild(objElement);
}
public int CountNode(string XmlPathNode)
{
try
{
int count = objXmlDoc.SelectNodes(XmlPathNode).Count;
return count;
}
catch
{
//string xpath = XmlPathNode.Substring(0, XmlPathNode.LastIndexOf("/"));
//XmlNode pnode = objXmlDoc.SelectSingleNode(xpath);
return 0;
}
}
/// <summary>
/// 获取该ID的字符串表示
/// </summary>
/// <returns></returns>
public static string getStrId(int id)
{
string strId = id.ToString();
if ((strId.Length % 2) > 0)
return "0" + strId;
return strId;
}
#endregion
}
/// <summary>
/// 获取类型列表
/// </summary>
/// <returns></returns>
public static XmlNodeList GetHelpCatgoryList()
{
XmlHelper xtool = XmlHelper.getXmlTool("general.config");
return xtool.getNodes("/GeneralConfigInfo/help/category/item");
}
