时间：2022-09-06 14:28:40 | 栏目：.NET代码 | 点击：次
该篇文章主要总结的是自己平时工作中使用频率比较高的Xml文档操作的一些常用方法和收集网上写的比较好的一些通用Xml文档操作的方法（主要包括Xml序列化和反序列化，Xml文件读取，Xml文档节点内容增删改的一些通过方法）。当然可能还有很多方法会漏了，假如各位同学好的方法可以在文末留言，我会统一收集起来。
https://www.jb51.net/article/104113.htm
Xml反序列化为对象
#region Xml反序列化为对象
/// <summary>
/// Xml反序列化为指定模型对象
/// </summary>
/// <typeparam name="T">对象类型</typeparam>
/// <param name="xmlContent">Xml内容</param>
/// <param name="isThrowException">是否抛出异常</param>
/// <returns></returns>
public static T XmlConvertToModel<T>(string xmlContent, bool isThrowException = false) where T : class
{
StringReader stringReader = null;
try
{
XmlSerializer xmlSerializer = new XmlSerializer(typeof(T));
stringReader = new StringReader(xmlContent);
return (T)xmlSerializer.Deserialize(stringReader);
}
catch (Exception ex)
if (isThrowException)
{
throw ex;
}
return null;
finally
stringReader?.Dispose();
}
/// <summary>
/// 读取Xml文件内容反序列化为指定的对象
/// </summary>
/// <param name="filePath">Xml文件的位置（绝对路径）</param>
/// <returns></returns>
public static T DeserializeFromXml<T>(string filePath)
if (!File.Exists(filePath))
throw new ArgumentNullException(filePath + " not Exists");
using (StreamReader reader = new StreamReader(filePath))
XmlSerializer xs = new XmlSerializer(typeof(T));
T ret = (T)xs.Deserialize(reader);
return ret;
return default(T);
#endregion
#region 对象序列化为Xml
/// <summary>
/// 对象序列化为Xml
/// </summary>
/// <param name="obj">对象</param>
/// <param name="isThrowException">是否抛出异常</param>
/// <returns></returns>
public static string ObjectSerializerXml<T>(T obj, bool isThrowException = false)
{
if (obj == null)
{
return string.Empty;
}
try
using (StringWriter sw = new StringWriter())
{
Type t = obj.GetType();
//强制指定命名空间，覆盖默认的命名空间
XmlSerializerNamespaces namespaces = new XmlSerializerNamespaces();
//在Xml序列化时去除默认命名空间xmlns:xsd和xmlns:xsi
namespaces.Add(string.Empty, string.Empty);
XmlSerializer serializer = new XmlSerializer(obj.GetType());
//序列化时增加namespaces
serializer.Serialize(sw, obj, namespaces);
sw.Close();
string replaceStr = sw.ToString().Replace(@"<?xml version=""1.0"" encoding=""utf-16""?>", "");
return replaceStr;
}
catch (Exception ex)
if (isThrowException)
throw ex;
}
#endregion
#region Xml字符处理
/// <summary>
/// 特殊符号转换为转义字符
/// </summary>
/// <param name="xmlStr"></param>
/// <returns></returns>
public string XmlSpecialSymbolConvert(string xmlStr)
{
return xmlStr.Replace("&", "&").Replace("<", "<").Replace(">", ">").Replace("\'", "'").Replace("\"", """);
}
#endregion
#region 创建Xml文档
/// <summary>
/// 创建Xml文档
/// </summary>
/// <param name="saveFilePath">文件保存位置</param>
public void CreateXmlDocument(string saveFilePath)
{
XmlDocument xmlDoc = new XmlDocument();
//创建类型声明节点
XmlNode node = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", "");
xmlDoc.AppendChild(node);
//创建Xml根节点
XmlNode root = xmlDoc.CreateElement("books");
xmlDoc.AppendChild(root);
XmlNode root1 = xmlDoc.CreateElement("book");
root.AppendChild(root1);
//创建子节点
CreateNode(xmlDoc, root1, "author", "追逐时光者");
CreateNode(xmlDoc, root1, "title", "XML学习教程");
CreateNode(xmlDoc, root1, "publisher", "时光出版社");
//将文件保存到指定位置
xmlDoc.Save(saveFilePath/*"D://xmlSampleCreateFile.xml"*/);
}
/// <summary>
/// 创建节点
/// </summary>
/// <param name="xmlDoc">xml文档</param>
/// <param name="parentNode">Xml父节点</param>
/// <param name="name">节点名</param>
/// <param name="value">节点值</param>
///
public void CreateNode(XmlDocument xmlDoc, XmlNode parentNode, string name, string value)
//创建对应Xml节点元素
XmlNode node = xmlDoc.CreateNode(XmlNodeType.Element, name, null);
node.InnerText = value;
parentNode.AppendChild(node);
#endregion
#region Xml数据读取
/// <summary>
/// 读取Xml指定节点中的数据
/// </summary>
/// <param name="filePath">Xml文档路径</param>
/// <param name="node">节点</param>
/// <param name="attribute">读取数据的属性名</param>
/// <returns>string</returns>
/**************************************************
* 使用示列:
* XmlHelper.XmlReadNodeAttributeValue(path, "/books/book", "author")
************************************************/
public static string XmlReadNodeAttributeValue(string filePath, string node, string attribute)
{
string value = "";
try
{
XmlDocument doc = new XmlDocument();
doc.Load(filePath);
XmlNode xmlNode = doc.SelectSingleNode(node);
value = (attribute.Equals("") ? xmlNode.InnerText : xmlNode.Attributes[attribute].Value);
}
catch { }
return value;
}
/// 获得xml文件中指定节点的节点数据
/// <param name="nodeName">节点名</param>
/// <returns></returns>
public static string GetNodeInfoByNodeName(string filePath, string nodeName)
string XmlString = string.Empty;
XmlDocument xml = new XmlDocument();
xml.Load(filePath);
XmlElement root = xml.DocumentElement;
XmlNode node = root.SelectSingleNode("//" + nodeName);
if (node != null)
XmlString = node.InnerText;
return XmlString;
/// 获取某一节点的所有孩子节点的值
/// <param name="node">要查询的节点</param>
public string[] ReadAllChildallValue(string node, string filePath)
int i = 0;
string[] str = { };
XmlDocument doc = new XmlDocument();
doc.Load(filePath);
XmlNode xn = doc.SelectSingleNode(node);
XmlNodeList nodelist = xn.ChildNodes; //得到该节点的子节点
if (nodelist.Count > 0)
str = new string[nodelist.Count];
foreach (XmlElement el in nodelist)//读元素值
{
str[i] = el.Value;
i++;
}
return str;
public XmlNodeList ReadAllChild(string node, string filePath)
return nodelist;
#endregion
#region Xml插入数据
/// <summary>
/// Xml指定节点元素属性插入数据
/// </summary>
/// <param name="path">路径</param>
/// <param name="node">节点</param>
/// <param name="element">元素名</param>
/// <param name="attribute">属性名</param>
/// <param name="value">属性数据</param>
/// <returns></returns>
/**************************************************
* 使用示列:
* XmlHelper.XmlInsertValue(path, "/books", "book", "author", "Value")
************************************************/
public static void XmlInsertValue(string path, string node, string element, string attribute, string value)
{
try
{
XmlDocument doc = new XmlDocument();
doc.Load(path);
XmlNode xmlNode = doc.SelectSingleNode(node);
if (element.Equals(""))
{
if (!attribute.Equals(""))
{
XmlElement xe = (XmlElement)xmlNode;
xe.SetAttribute(attribute, value);
}
}
else
XmlElement xe = doc.CreateElement(element);
if (attribute.Equals(""))
xe.InnerText = value;
else
//添加新增的节点
xmlNode.AppendChild(xe);
//保存Xml文档
doc.Save(path);
}
catch { }
}
#endregion
#region Xml修改数据
/// <summary>
/// Xml指定节点元素属性修改数据
/// </summary>
/// <param name="path">路径</param>
/// <param name="node">节点</param>
/// <param name="attribute">属性名</param>
/// <param name="value">属性数据</param>
/// <returns></returns>
/**************************************************
* 使用示列:
* XmlHelper.XmlUpdateValue(path, "/books", "book","author","Value")
************************************************/
public static void XmlUpdateValue(string path, string node, string attribute, string value)
{
try
{
XmlDocument doc = new XmlDocument();
doc.Load(path);
XmlNode xmlNode = doc.SelectSingleNode(node);
XmlElement xmlElement = (XmlElement)xmlNode;
if (attribute.Equals(""))
xmlElement.InnerText = value;
else
xmlElement.SetAttribute(attribute, value);
//保存Xml文档
doc.Save(path);
}
catch { }
}
#endregion
#region Xml删除数据
/// <summary>
/// 删除数据
/// </summary>
/// <param name="path">路径</param>
/// <param name="node">节点</param>
/// <param name="attribute">属性名</param>
/// <returns></returns>
/**************************************************
* 使用示列:
* XmlHelper.XmlDelete(path, "/books", "book")
************************************************/
public static void XmlDelete(string path, string node, string attribute)
{
try
{
XmlDocument doc = new XmlDocument();
doc.Load(path);
XmlNode xn = doc.SelectSingleNode(node);
XmlElement xe = (XmlElement)xn;
if (attribute.Equals(""))
xn.ParentNode.RemoveChild(xn);
else
xe.RemoveAttribute(attribute);
doc.Save(path);
}
catch { }
}
#endregion
注意：有些方法不能保证百分之百没有问题的，假如有问题可以留言给我，我会验证并立即修改。
/// <summary>
/// Xml帮助类
/// </summary>
public class XMLHelper
{
#region Xml反序列化为对象
/// <summary>
/// Xml反序列化为指定模型对象
/// </summary>
/// <typeparam name="T">对象类型</typeparam>
/// <param name="xmlContent">Xml内容</param>
/// <param name="isThrowException">是否抛出异常</param>
/// <returns></returns>
public static T XmlConvertToModel<T>(string xmlContent, bool isThrowException = false) where T : class
{
StringReader stringReader = null;
try
{
XmlSerializer xmlSerializer = new XmlSerializer(typeof(T));
stringReader = new StringReader(xmlContent);
return (T)xmlSerializer.Deserialize(stringReader);
}
catch (Exception ex)
if (isThrowException)
{
throw ex;
}
return null;
finally
stringReader?.Dispose();
}
/// <summary>
/// 读取Xml文件内容反序列化为指定的对象
/// </summary>
/// <param name="filePath">Xml文件的位置（绝对路径）</param>
/// <returns></returns>
public static T DeserializeFromXml<T>(string filePath)
if (!File.Exists(filePath))
throw new ArgumentNullException(filePath + " not Exists");
using (StreamReader reader = new StreamReader(filePath))
XmlSerializer xs = new XmlSerializer(typeof(T));
T ret = (T)xs.Deserialize(reader);
return ret;
return default(T);
#endregion
#region 对象序列化为Xml
/// 对象序列化为Xml
/// <param name="obj">对象</param>
public static string ObjectSerializerXml<T>(T obj, bool isThrowException = false)
if (obj == null)
return string.Empty;
using (StringWriter sw = new StringWriter())
Type t = obj.GetType();
//强制指定命名空间，覆盖默认的命名空间
XmlSerializerNamespaces namespaces = new XmlSerializerNamespaces();
//在Xml序列化时去除默认命名空间xmlns:xsd和xmlns:xsi
namespaces.Add(string.Empty, string.Empty);
XmlSerializer serializer = new XmlSerializer(obj.GetType());
//序列化时增加namespaces
serializer.Serialize(sw, obj, namespaces);
sw.Close();
string replaceStr = sw.ToString().Replace(@"<?xml version=""1.0"" encoding=""utf-16""?>", "");
return replaceStr;
#region Xml字符处理
/// 特殊符号转换为转义字符
/// <param name="xmlStr"></param>
public string XmlSpecialSymbolConvert(string xmlStr)
return xmlStr.Replace("&", "&").Replace("<", "<").Replace(">", ">").Replace("\'", "'").Replace("\"", """);
#region 创建Xml文档
/// 创建Xml文档
/// <param name="saveFilePath">文件保存位置</param>
public void CreateXmlDocument(string saveFilePath)
XmlDocument xmlDoc = new XmlDocument();
//创建类型声明节点
XmlNode node = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", "");
xmlDoc.AppendChild(node);
//创建Xml根节点
XmlNode root = xmlDoc.CreateElement("books");
xmlDoc.AppendChild(root);
XmlNode root1 = xmlDoc.CreateElement("book");
root.AppendChild(root1);
//创建子节点
CreateNode(xmlDoc, root1, "author", "追逐时光者");
CreateNode(xmlDoc, root1, "title", "XML学习教程");
CreateNode(xmlDoc, root1, "publisher", "时光出版社");
//将文件保存到指定位置
xmlDoc.Save(saveFilePath/*"D://xmlSampleCreateFile.xml"*/);
/// <summary>
/// 创建节点
/// <param name="xmlDoc">xml文档</param>
/// <param name="parentNode">Xml父节点</param>
/// <param name="name">节点名</param>
/// <param name="value">节点值</param>
///
public void CreateNode(XmlDocument xmlDoc, XmlNode parentNode, string name, string value)
//创建对应Xml节点元素
XmlNode node = xmlDoc.CreateNode(XmlNodeType.Element, name, null);
node.InnerText = value;
parentNode.AppendChild(node);
#region Xml数据读取
/// 读取Xml指定节点中的数据
/// <param name="filePath">Xml文档路径</param>
/// <param name="node">节点</param>
/// <param name="attribute">读取数据的属性名</param>
/// <returns>string</returns>
/**************************************************
* 使用示列:
* XmlHelper.XmlReadNodeAttributeValue(path, "/books/book", "author")
************************************************/
public static string XmlReadNodeAttributeValue(string filePath, string node, string attribute)
string value = "";
XmlDocument doc = new XmlDocument();
doc.Load(filePath);
XmlNode xmlNode = doc.SelectSingleNode(node);
value = (attribute.Equals("") ? xmlNode.InnerText : xmlNode.Attributes[attribute].Value);
catch { }
return value;
/// 获得xml文件中指定节点的节点数据
/// <param name="nodeName">节点名</param>
public static string GetNodeInfoByNodeName(string filePath, string nodeName)
string XmlString = string.Empty;
XmlDocument xml = new XmlDocument();
xml.Load(filePath);
XmlElement root = xml.DocumentElement;
XmlNode node = root.SelectSingleNode("//" + nodeName);
if (node != null)
XmlString = node.InnerText;
return XmlString;
/// 获取某一节点的所有孩子节点的值
/// <param name="node">要查询的节点</param>
public string[] ReadAllChildallValue(string node, string filePath)
int i = 0;
string[] str = { };
XmlDocument doc = new XmlDocument();
doc.Load(filePath);
XmlNode xn = doc.SelectSingleNode(node);
XmlNodeList nodelist = xn.ChildNodes; //得到该节点的子节点
if (nodelist.Count > 0)
str = new string[nodelist.Count];
foreach (XmlElement el in nodelist)//读元素值
str[i] = el.Value;
i++;
return str;
public XmlNodeList ReadAllChild(string node, string filePath)
return nodelist;
#region Xml插入数据
/// Xml指定节点元素属性插入数据
/// <param name="path">路径</param>
/// <param name="element">元素名</param>
/// <param name="attribute">属性名</param>
/// <param name="value">属性数据</param>
* XmlHelper.XmlInsertValue(path, "/books", "book", "author", "Value")
public static void XmlInsertValue(string path, string node, string element, string attribute, string value)
doc.Load(path);
if (element.Equals(""))
if (!attribute.Equals(""))
{
XmlElement xe = (XmlElement)xmlNode;
xe.SetAttribute(attribute, value);
}
else
XmlElement xe = doc.CreateElement(element);
if (attribute.Equals(""))
xe.InnerText = value;
else
//添加新增的节点
xmlNode.AppendChild(xe);
//保存Xml文档
doc.Save(path);
#region Xml修改数据
/// Xml指定节点元素属性修改数据
* XmlHelper.XmlUpdateValue(path, "/books", "book","author","Value")
public static void XmlUpdateValue(string path, string node, string attribute, string value)
XmlElement xmlElement = (XmlElement)xmlNode;
if (attribute.Equals(""))
xmlElement.InnerText = value;
xmlElement.SetAttribute(attribute, value);
#region Xml删除数据
/// 删除数据
* XmlHelper.XmlDelete(path, "/books", "book")
public static void XmlDelete(string path, string node, string attribute)
XmlNode xn = doc.SelectSingleNode(node);
XmlElement xe = (XmlElement)xn;
xn.ParentNode.RemoveChild(xn);
xe.RemoveAttribute(attribute);
}