1。不太清楚2.用这样的方法可以访问
XmlNode currNode = doc.DocumentElement;
currNode.ChildNodes[i].AppendChild3,4。其他相关方法PrependChild 将指定的节点添加到该节点子级列表的开头。
RemoveAll 移除当前节点的所有子级和/或属性。
RemoveChild 移除指定的子节点。
ReplaceChild 用 newChild 节点替换子节点 oldChild。
XmlNode currNode = doc.DocumentElement;
currNode.ChildNodes[i].AppendChild3,4。其他相关方法PrependChild 将指定的节点添加到该节点子级列表的开头。
RemoveAll 移除当前节点的所有子级和/或属性。
RemoveChild 移除指定的子节点。
ReplaceChild 用 newChild 节点替换子节点 oldChild。
用RemoveAll的方法,好像只能清除Atwood,不能清除<last-name></last-name>
真的不懂,弄了很长时间了!郁闷之极!
currNode.LastChild.AppendChild(newElem.CloneNode(true));>>>我要移去<last-name>Atwood</last-name>,采用什么方法呀XmlNode node = doc.SelectSingleNode("//last-name[.='Atwood']");
if (node != null)
node.ParentNode.RemoveChild(node);
{
private XmlDocument doc;
private string xmlFileName;
private MemoryStream xmlStream;
private byte[] xmlcontent = new byte[0];
public byte[] Content
{
get
{
// xmlcontent = new Byte[xmlStream.Length];
// bool a = xmlStream.CanRead;
// byte[] buffer = xmlStream.GetBuffer();
// System.Array.Copy(buffer,0,xmlcontent,0,xmlcontent.Length);
// return xmlcontent; }
set
{
}
}
public XmlConfig(string filename)
{
xmlFileName = filename;
doc = new XmlDocument();
try
{
doc.Load(xmlFileName);
}
catch
{
doc.LoadXml("<?xml version=\"1.0\" encoding=\"gb2312\"?><Settings></Settings>");
}
} public XmlConfig(byte[] contain)
{
xmlStream = new MemoryStream(); xmlStream.Write(contain,0,contain.Length);
// MemoryStream stream =new MemoryStream(contain);
// xmlStream = (Stream) stream;
doc = new XmlDocument();
try
{
if(contain.Length==0)
doc.Load(xmlStream);
else
{
string xml = System.Text.Encoding.ASCII.GetString(contain);
doc.LoadXml(xml);
}
}
catch(Exception ee)
{
doc.LoadXml("<?xml version=\"1.0\" encoding=\"gb2312\"?><Settings></Settings>");
}
}
public void Save()
{
try
{
doc.Save(xmlFileName);
}
catch
{
}
}
public void StreamSave()
{
try
{
doc.Save(xmlStream);
}
catch(Exception ee)
{
Console.WriteLine(ee.ToString()); } } public string Read(string key, string value)
{
XmlNode node = doc.DocumentElement.SelectSingleNode(key);
if (node != null)
return node.InnerText;
else
return value;
} public void Write(string key, string value)
{
XmlNode node = doc.DocumentElement.SelectSingleNode(key);
if (node != null)
{
node.InnerText = value;
}
else
{
node = doc.DocumentElement;
string[] path = key.Split(new char[] {'/'});
for (int i = 0; i < path.Length; i++)
{
XmlNode node2;
if ( (node2 = node.SelectSingleNode(path[i])) == null)
{
node2 = doc.CreateElement(path[i]);
node.AppendChild(node2);
}
node = node2;
}
node.InnerText = value;
}
}
//增加一个父节点
public void Write(string key)
{
XmlNode node = doc.DocumentElement.SelectSingleNode(key);
if (node != null)
{
}
else
{
node = doc.DocumentElement;
string[] path = key.Split(new char[] {'/'});
for (int i = 0; i < path.Length; i++)
{
XmlNode node2;
if ( (node2 = node.SelectSingleNode(path[i])) == null)
{
node2 = doc.CreateElement(path[i]);
node.AppendChild(node2);
}
node = node2;
}
}
}
public void ChildWrite(string key,string Childkey,string value)
{
XmlNode node = doc.DocumentElement.SelectSingleNode(key);
XmlNode node2=node.SelectSingleNode(Childkey);
if(node2!=null)
{
node2.InnerText=value;
}
else
{
XmlNode node3=doc.CreateElement(Childkey);
node.PrependChild(node3);
node3.InnerText=value;
}
}
//key为父节点的值,chlidkey为子节点的值。
public string Read(string key,string Childkey,string value)
{
XmlNode node = doc.DocumentElement.SelectSingleNode(key);
if(node!=null)
{
XmlNode node2=node.SelectSingleNode(Childkey);
if(node2!=null)
{
return node2.InnerText;
}
else
return value;
}
else
return value;
}
public XmlNodeList NodeRead()
{
XmlNode node = doc.ChildNodes[1];
XmlNodeList nodelist = node.ChildNodes;
return nodelist;
}
}