//添加xml节点
private void AddXml(string image, string title)
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(Server.MapPath("../flash/dati.xml"));
XmlElement xe1 = xmlDoc.CreateElement("thumb");//创建一个<thumb>节点
xe1.SetAttribute("displayNum", "6");//设置该节点displayNum属性
xe1.SetAttribute("separation", "5");//设置该节点separation属性
xesub1.InnerText = image;//设置文本节点
xe1.AppendChild(xesub1);//添加到thumb节点中
XmlElement xesub2 = xmlDoc.CreateElement("description");
xesub2.InnerText = title;
xe1.AppendChild(xesub2);
xmlDoc.Save(Server.MapPath("../flash/dati.xml"));
}
{
//初始化XML文档操作类
XmlDocument myXml = new XmlDocument();
//加载指定的XML文件
myXml.Load(FileName);
//添加元素-姓名
XmlElement ele0 = myXml.CreateElement("name");
XmlText Text0 = myXml.CreateTextNode(name);
//添加元素-年龄
XmlElement ele1 = myXml.CreateElement("age");
XmlText Text1 = myXml.CreateTextNode(age);
//添加元素-性别
XmlElement ele2 = myXml.CreateElement("sex");
XmlText Text2 = myXml.CreateTextNode(sex);
//添加元素的节点---studentRecord
XmlNode newElem = myXml.CreateNode("element", "studentRecord", "");
//在节点中添加元素
newElem.AppendChild(ele0);
newElem.LastChild.AppendChild(Text0);
newElem.AppendChild(ele1);
newElem.LastChild.AppendChild(Text1);
newElem.AppendChild(ele2);
newElem.LastChild.AppendChild(Text2);
//将节点添加到文档中
XmlElement root = myXml.DocumentElement;
root.AppendChild(newElem);
//保存所有的修改
myXml.Save(FileName);
}
private void DelXml(string image)
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(Server.MapPath("../flash/dati.xml"));
XmlNodeList xnl = xmlDoc.SelectSingleNode("images").ChildNodes;
foreach (XmlNode xn in xnl)
{
XmlElement xe = (XmlElement)xn;
if (xe.InnerText.IndexOf(image,0) >= 0)
{
xn.ParentNode.RemoveChild(xn);
// xn.RemoveAll();
}
}
xmlDoc.Save(Server.MapPath("../flash/dati.xml"));
}
{
XmlElement xe=(XmlElement)xn;//将子节点类型转换为XmlElement类型
if(xe.GetAttribute("genre")=="")// 判读条件
{
xe.SetAttribute("genre",newStr);//则修改该属性为newstr
XmlNodeList nls=xe.ChildNodes;//继续获取xe子节点的所有子节点
foreach(XmlNode xn1 in nls)//遍历
{
XmlElement xe2=(XmlElement)xn1;//转换类型
if(xe2.Name=="author")//如果找到 //判读条件
{
xe2.InnerText=newText;//则修改
break;//找到退出来就可以了
}
}
break;
}
private void WriteXML()
{
XmlTextWriter xtw = new XmlTextWriter(@"MessageBookDataMessageBook1.xml"), null);
xtw.Formatting = Formatting.Indented;
xtw.WriteStartDocument();
//xtw.WriteComment();
xtw.WriteStartElement("Item");
xtw.WriteElementString("UserName", "Tom");
xtw.WriteEndElement();
xtw.WriteEndDocument();
xtw.Close();
}
//读XML
private void ReadXML()
{
// 创建一个XmlTextReader类的对象并调用Read方法来读取XML文件
XmlTextReader textReader = new XmlTextReader("C:\books.xml");
textReader.Read();
// 节点非空则执行循环体
while ( textReader.Read() )
{
// 读取第一个元素
textReader.MoveToElement();
Console.WriteLine("XmlTextReader Properties Test");
Console.WriteLine("===================");
// 读取该元素的属性并显示在控制台中
Console.WriteLine("Name:" + textReader.Name);
Console.WriteLine("Base URI:" + textReader.BaseURI);
Console.WriteLine("Local Name:" + textReader.LocalName);
Console.WriteLine("Attribute Count:" + textReader.AttributeCount.ToString());
Console.WriteLine("Depth:" + textReader.Depth.ToString());
Console.WriteLine("Line Number:" + textReader.LineNumber.ToString());
Console.WriteLine("Node Type:" + textReader.NodeType.ToString());
Console.WriteLine("Attribute Count:" + textReader.Value.ToString());
}