XMLHelper.cs
using System;
using System.Data;
using System.Xml;
using System.Collections.Specialized;
using System.Diagnostics;
using System.Collections;
namespace TMFHTong
{
/// <summary>
/// Summary description for XmlHelper.
/// </summary>
public class XmlHelper
{
private XmlHelper()
{
}
#region
/*****************************************************************
* Author: Payne Wee
* Exemple:
* RockXML.List(path, "/Node", "name", "")
* RockXML.List(path, "/Node/Element[@Attribute='Name']", "name", "Attribute")
*****************************************************************/
public static DataTable List(string strPath, string strNode, string strAttributeKey, string strAttributeValue)
{
DataTable dt = new DataTable();
dt.Columns.Add(strAttributeKey.ToUpper(), typeof(string));
dt.Columns.Add((strAttributeValue == string.Empty ? "Value" : strAttributeValue).ToUpper(), typeof(string));
try
{
XmlDocument doc = new XmlDocument();
doc.Load(strPath);
XmlNode xn = doc.SelectSingleNode(strNode);
foreach (XmlNode n in xn.ChildNodes)
{
DataRow dr = dt.NewRow();
dr[0] = strAttributeKey.Equals(string.Empty) ? string.Empty : n.Attributes[strAttributeKey].Value;
dr[1] = strAttributeValue.Equals(string.Empty) ? n.InnerText : n.Attributes[strAttributeValue].Value;
dt.Rows.Add(dr);
}
}
catch { }
return dt;
}
public static bool Create(string xmlFileName, string rootNodeName, string version, string encoding)
{
bool isSuccess = false;
try
{
XmlDocument xmlDoc = new XmlDocument();
XmlDeclaration xmlDeclaration = xmlDoc.CreateXmlDeclaration(version, encoding, null);
XmlNode root = xmlDoc.CreateElement(rootNodeName);
xmlDoc.AppendChild(xmlDeclaration);
xmlDoc.AppendChild(root);
xmlDoc.Save(xmlFileName);
isSuccess = true;
}
catch (Exception ex)
{
throw ex; //这里可以定义你自己的异常处理
}
return isSuccess;
}
/*****************************************************************
* Author: Payne Wee
* Exemple:
* RockXML.Read(path, "/Node", "")
* RockXML.Read(path, "/Node/Element[@Attribute='Name']", "Attribute")
*****************************************************************/
public static string Read(string strPath, string strNode, string strAttribute)
{
string value = string.Empty;
try
{
XmlDocument doc = new XmlDocument();
doc.Load(strPath);
XmlNode xn = doc.SelectSingleNode(strNode);
value = (strAttribute.Equals(string.Empty) ? xn.InnerText : xn.Attributes[strAttribute].Value);
}
catch { }
return value;
}
/*****************************************************************
* Author: Payne Wee
* Exemple:
* RockXML.Insert(path, "/Node", "Element", "", "Value")
* RockXML.Insert(path, "/Node", "Element", "Attribute", "Value")
* RockXML.Insert(path, "/Node", "", "Attribute", "Value")
*****************************************************************/
public static void Insert(string strPath, string strNode, string strElement, string strAttribute, string strValue)
{
try
{
XmlDocument doc = new XmlDocument();
doc.Load(strPath);
XmlNode xn = doc.SelectSingleNode(strNode);
if (strElement.Equals(string.Empty))
{
if (!strAttribute.Equals(string.Empty))
{
XmlElement xe = (XmlElement)xn;
xe.SetAttribute(strAttribute, strValue);
}
}
else
{
XmlElement xe = doc.CreateElement(strElement);
if (strAttribute.Equals(string.Empty))
xe.InnerText = strValue;
else
xe.SetAttribute(strAttribute, strValue);
xn.AppendChild(xe);
}
doc.Save(strPath);
}
catch { }
}
/*****************************************************************
* Author: Payne Wee
* Exemple:
* RockXML.Modify(path, "/Node", "", "Value")
* RockXML.Modify(path, "/Node", "Attribute", "Value")
*****************************************************************/
public static void Modify(string strPath, string strNode, string strAttribute, string strValue)
{
try
{
XmlDocument doc = new XmlDocument();
doc.Load(strPath);
XmlNode xn = doc.SelectSingleNode(strNode);
XmlElement xe = (XmlElement)xn;
if (strAttribute.Equals(string.Empty))
xe.InnerText = strValue;
else
xe.SetAttribute(strAttribute, strValue);
doc.Save(strPath);
}
catch { }
}
/*****************************************************************
* Author: Payne Wee
* Exemple:
* RockXML.Delete(path, "/Node", "")
* RockXML.Delete(path, "/Node", "Attribute")
*****************************************************************/
public static void Delete(string strPath, string strNode, string strAttribute)
{
try
{
XmlDocument doc = new XmlDocument();
doc.Load(strPath);
XmlNode xn = doc.SelectSingleNode(strNode);
XmlElement xe = (XmlElement)xn;
if (strAttribute.Equals(string.Empty))
xn.ParentNode.RemoveChild(xn);
else
xe.RemoveAttribute(strAttribute);
doc.Save(strPath);
}
catch { }
}
#endregion
}
}
调用：
string filepath = Server.MapPath("~")+"/xml/HouseList.xml";
XmlHelper.Create(filepath, "HouseList", "1.0", "utf-8");
XmlHelper.Insert(filepath, "HouseList", "House", "HouseNumber", "123");
XmlHelper.Insert(filepath, "HouseList/House[@HouseNumber='123']", "ViewDate", "", "2013-09-28 15:12:03");
XmlHelper.Insert(filepath, "HouseList", "House", "HouseNumber", "456");
XmlHelper.Insert(filepath, "HouseList/House[@HouseNumber='456']", "ViewDate", "", "2013-10-28 15:12:03");
string value = XmlHelper.Read(filepath, "/HouseList/House[@HouseNumber='123']", "");
XmlHelper.Modify(filepath, "/HouseList/House[@HouseNumber='123']/ViewDate", "", "2013-10-28 15:30:47");