使用xmltextreader对xml进行简单的读取和写入操作
使用xmltextreader对xml文件进行简单的以对象形式的读取和写入操作
BaseSerializeElement
-------------------------------------------------------------
using System;
using System.Xml;
using System.Collections;
namespace Local.Framework.Common
{
/// <summary>
/// BaseXmlSerializer 的摘要说明。
/// --fallseir.li 20050427 15:12
/// </summary>
public class BaseSerializeElement
{
public BaseSerializeElement()
{
}
public BaseSerializeElement(XmlReader reader,bool isroot)
{
this._isroot=isroot;
ReadXml(reader,isroot);
}
public BaseSerializeElement(XmlReader reader):this(reader,false){}
#region attributes
public bool IsRoot
{
get{return _isroot;}
}
private bool _isroot;
public string TAG
{
get{return _tag;}
}
private string _tag;
public string Value
{
get{return _value;}
}
public string _value;
public string CData
{
get{return _cdata;}
}
private string _cdata;
public ArrayList Elements
{
get{return _elements;}
}
private ArrayList _elements;
public Hashtable Attributes
{
get
{
return _attributes;
}
}
private Hashtable _attributes;
private string _prefix;
private string _namespaceuri;
private string _xmllang;
//private string _xmlspace;
private string _baseuri;
//private XmlNameTable _nametable;
//root
private string _declaration;
private string _documenttype;
#endregion
public void AddAttribute(string key,string value)
{
if(_attributes==null)
_attributes=new Hashtable();
if(_attributes.ContainsKey(key))
{
_attributes[key]=value;
}
else
{
_attributes.Add(key,value);
}
}
public void AddElement(BaseSerializeElement element)
{
if(_elements==null)
_elements=new ArrayList();
_elements.Add(element);
}
#region IXmlSerializable 成员
public void WirteXmlRoot(XmlWriter writer)
{
writeRoot(writer);
WriteXml(writer);
}
private void writeRoot(XmlWriter writer)
{
writer.WriteProcessingInstruction("xml",this._declaration);
// writer.WriteDocType
}
public void WriteXml(XmlWriter writer)
{
if(this._prefix!="")
writer.WriteStartElement(this._prefix+":"+TAG);
else
writer.WriteStartElement(TAG);
//if(this._nametable!=null)
if(Attributes!=null)
{
foreach(object key in Attributes.Keys)
{
writer.WriteAttributeString(key as string,Attributes[key] as string);
}
}
if(Value!=null)
{
writer.WriteString(Value);
}
else
{
if(Elements!=null)
{
foreach(object item in Elements)
{
BaseSerializeElement inner=(BaseSerializeElement)item;
inner.WriteXml(writer);
}
}
}
writer.WriteEndElement();
}
//
// public System.Xml.Schema.XmlSchema GetSchema()
// {
// // TODO: 添加 AnyElement.GetSchema 实现
// return null;
// }
public void ReadXml(XmlReader reader)
{
ReadXml(reader,false);
}
private void ReadRoot(XmlReader reader)
{
while(reader.Read())
{
if(reader.EOF)
return;
switch(reader.NodeType)
{
case XmlNodeType.XmlDeclaration:
this._isroot=true;
this._declaration=reader.Value;
break;
// case XmlNodeType.Comment:
// AddComment(reader.Value);
// break;
case XmlNodeType.DocumentType:
this._documenttype=reader.Value;
break;
case XmlNodeType.Element:
return;
default:
break;
}
}
}
// public void AddComment(string comment)
// {
// _comments.Add(comment);
// }
public void ReadXml(System.Xml.XmlReader reader,bool isroot)
{
if(reader.NodeType==XmlNodeType.None||isroot)
{
ReadRoot(reader);
}
if(reader.EOF||reader.NodeType!=XmlNodeType.Element)
return;
this._tag=reader.LocalName;
this._prefix=reader.Prefix;
this._namespaceuri=reader.NamespaceURI;
this._xmllang=reader.XmlLang;
//this._xmlspace=reader.XmlSpace;
this._baseuri=reader.BaseURI;
//this._nametable=reader.NameTable;
int depth=reader.Depth;
bool isempty=reader.IsEmptyElement;
if(reader.HasAttributes)
{
int n=reader.AttributeCount;
for(int i=0;i<n;i++)
{
reader.MoveToAttribute(i);
AddAttribute(reader.Name,reader.Value);
}
}
if(isempty)
return;
//读取所有内部xml元素
while(reader.Read())
{
switch(reader.NodeType)
{
case XmlNodeType.EndElement:
if((reader.Depth==depth)&&(reader.Name==TAG))
return;
break;
case XmlNodeType.Element:
if(reader.Depth==depth+1)
AddElement(new BaseSerializeElement(reader));
break;
case XmlNodeType.Text:
if(reader.Depth==depth+1)
_value=reader.Value;
break;
case XmlNodeType.CDATA:
if(reader.Depth==depth+1)
_cdata=reader.Value;
break;
}
}
}
#endregion
private void print(string format,params object[] args)
{
Console.WriteLine(format,args);
}
}
}
tester
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using System;
using System.IO;
using System.Xml;
using LocalPostBB.Framework.Common;
namespace LocalPostBB
{
/// <summary>
/// Class1 的摘要说明。
/// </summary>
class Tester
{
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main(string[] args)
{
Tester tester=new Tester();
tester.TestSerialize();
Console.ReadLine();
}
public void TestSerialize()
{
BaseSerializeElement t=null;
string filename=@"E:Program Files\Altova\XMLSpy2005\Examples\OrgChartDebug.xslt";
XmlTextReader reader=new XmlTextReader(filename);
t=new BaseSerializeElement(reader,true);
reader.Close();
StringWriter wr=new StringWriter();
XmlTextWriter writer=new XmlTextWriter(wr);
writer.Formatting=Formatting.Indented;
t.WirteXmlRoot(writer);
Console.WriteLine(wr.ToString());
writer.Close();
Console.WriteLine("successful!");
}
}
}
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初步代码 只对xml文件进行了简单的读写功能