C#對XmlHelper幫助類操作Xml文檔的通用方法匯總
前言
該篇文章主要總結(jié)的是自己平時工作中使用頻率比較高的Xml文檔操作的一些常用方法和收集網(wǎng)上寫的比較好的一些通用Xml文檔操作的方法(主要包括Xml序列化和反序列化,Xml文件讀取,Xml文檔節(jié)點內(nèi)容增刪改的一些通過方法)。當然可能還有很多方法會漏了,假如各位同學好的方法可以在文末留言,我會統(tǒng)一收集起來。
C#XML基礎入門
http://chabaoo.cn/article/104113.htm
Xml反序列化為對象
#region Xml反序列化為對象 /// <summary> /// Xml反序列化為指定模型對象 /// </summary> /// <typeparam name="T">對象類型</typeparam> /// <param name="xmlContent">Xml內(nèi)容</param> /// <param name="isThrowException">是否拋出異常</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> /// 讀取Xml文件內(nèi)容反序列化為指定的對象 /// </summary> /// <param name="filePath">Xml文件的位置(絕對路徑)</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
對象序列化為Xml
#region 對象序列化為Xml /// <summary> /// 對象序列化為Xml /// </summary> /// <param name="obj">對象</param> /// <param name="isThrowException">是否拋出異常</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(); //強制指定命名空間,覆蓋默認的命名空間 XmlSerializerNamespaces namespaces = new XmlSerializerNamespaces(); //在Xml序列化時去除默認命名空間xmlns:xsd和xmlns:xsi namespaces.Add(string.Empty, string.Empty); XmlSerializer serializer = new XmlSerializer(obj.GetType()); //序列化時增加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
Xml字符處理
#region Xml字符處理 /// <summary> /// 特殊符號轉(zhuǎn)換為轉(zhuǎn)義字符 /// </summary> /// <param name="xmlStr"></param> /// <returns></returns> public string XmlSpecialSymbolConvert(string xmlStr) { return xmlStr.Replace("&", "&").Replace("<", "<").Replace(">", ">").Replace("\'", "'").Replace("\"", """); } #endregion
創(chuàng)建Xml文檔
#region 創(chuàng)建Xml文檔 /// <summary> /// 創(chuàng)建Xml文檔 /// </summary> /// <param name="saveFilePath">文件保存位置</param> public void CreateXmlDocument(string saveFilePath) { XmlDocument xmlDoc = new XmlDocument(); //創(chuàng)建類型聲明節(jié)點 XmlNode node = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", ""); xmlDoc.AppendChild(node); //創(chuàng)建Xml根節(jié)點 XmlNode root = xmlDoc.CreateElement("books"); xmlDoc.AppendChild(root); XmlNode root1 = xmlDoc.CreateElement("book"); root.AppendChild(root1); //創(chuàng)建子節(jié)點 CreateNode(xmlDoc, root1, "author", "追逐時光者"); CreateNode(xmlDoc, root1, "title", "XML學習教程"); CreateNode(xmlDoc, root1, "publisher", "時光出版社"); //將文件保存到指定位置 xmlDoc.Save(saveFilePath/*"D://xmlSampleCreateFile.xml"*/); } /// <summary> /// 創(chuàng)建節(jié)點 /// </summary> /// <param name="xmlDoc">xml文檔</param> /// <param name="parentNode">Xml父節(jié)點</param> /// <param name="name">節(jié)點名</param> /// <param name="value">節(jié)點值</param> /// public void CreateNode(XmlDocument xmlDoc, XmlNode parentNode, string name, string value) //創(chuàng)建對應Xml節(jié)點元素 XmlNode node = xmlDoc.CreateNode(XmlNodeType.Element, name, null); node.InnerText = value; parentNode.AppendChild(node); #endregion
Xml數(shù)據(jù)讀取
#region Xml數(shù)據(jù)讀取 /// <summary> /// 讀取Xml指定節(jié)點中的數(shù)據(jù) /// </summary> /// <param name="filePath">Xml文檔路徑</param> /// <param name="node">節(jié)點</param> /// <param name="attribute">讀取數(shù)據(jù)的屬性名</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; } /// 獲得xml文件中指定節(jié)點的節(jié)點數(shù)據(jù) /// <param name="nodeName">節(jié)點名</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("http://" + nodeName); if (node != null) XmlString = node.InnerText; return XmlString; /// 獲取某一節(jié)點的所有孩子節(jié)點的值 /// <param name="node">要查詢的節(jié)點</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; //得到該節(jié)點的子節(jié)點 if (nodelist.Count > 0) str = new string[nodelist.Count]; foreach (XmlElement el in nodelist)//讀元素值 { str[i] = el.Value; i++; } return str; public XmlNodeList ReadAllChild(string node, string filePath) return nodelist; #endregion
Xml插入數(shù)據(jù)
#region Xml插入數(shù)據(jù) /// <summary> /// Xml指定節(jié)點元素屬性插入數(shù)據(jù) /// </summary> /// <param name="path">路徑</param> /// <param name="node">節(jié)點</param> /// <param name="element">元素名</param> /// <param name="attribute">屬性名</param> /// <param name="value">屬性數(shù)據(jù)</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 //添加新增的節(jié)點 xmlNode.AppendChild(xe); //保存Xml文檔 doc.Save(path); } catch { } } #endregion
Xml修改數(shù)據(jù)
#region Xml修改數(shù)據(jù) /// <summary> /// Xml指定節(jié)點元素屬性修改數(shù)據(jù) /// </summary> /// <param name="path">路徑</param> /// <param name="node">節(jié)點</param> /// <param name="attribute">屬性名</param> /// <param name="value">屬性數(shù)據(jù)</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文檔 doc.Save(path); } catch { } } #endregion
Xml刪除數(shù)據(jù)
#region Xml刪除數(shù)據(jù) /// <summary> /// 刪除數(shù)據(jù) /// </summary> /// <param name="path">路徑</param> /// <param name="node">節(jié)點</param> /// <param name="attribute">屬性名</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
完整的XmlHelper幫助類
注意:有些方法不能保證百分之百沒有問題的,假如有問題可以留言給我,我會驗證并立即修改。
/// <summary> /// Xml幫助類 /// </summary> public class XMLHelper { #region Xml反序列化為對象 /// <summary> /// Xml反序列化為指定模型對象 /// </summary> /// <typeparam name="T">對象類型</typeparam> /// <param name="xmlContent">Xml內(nèi)容</param> /// <param name="isThrowException">是否拋出異常</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> /// 讀取Xml文件內(nèi)容反序列化為指定的對象 /// </summary> /// <param name="filePath">Xml文件的位置(絕對路徑)</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 對象序列化為Xml /// 對象序列化為Xml /// <param name="obj">對象</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(); //強制指定命名空間,覆蓋默認的命名空間 XmlSerializerNamespaces namespaces = new XmlSerializerNamespaces(); //在Xml序列化時去除默認命名空間xmlns:xsd和xmlns:xsi namespaces.Add(string.Empty, string.Empty); XmlSerializer serializer = new XmlSerializer(obj.GetType()); //序列化時增加namespaces serializer.Serialize(sw, obj, namespaces); sw.Close(); string replaceStr = sw.ToString().Replace(@"<?xml version=""1.0"" encoding=""utf-16""?>", ""); return replaceStr; #region Xml字符處理 /// 特殊符號轉(zhuǎn)換為轉(zhuǎn)義字符 /// <param name="xmlStr"></param> public string XmlSpecialSymbolConvert(string xmlStr) return xmlStr.Replace("&", "&").Replace("<", "<").Replace(">", ">").Replace("\'", "'").Replace("\"", """); #region 創(chuàng)建Xml文檔 /// 創(chuàng)建Xml文檔 /// <param name="saveFilePath">文件保存位置</param> public void CreateXmlDocument(string saveFilePath) XmlDocument xmlDoc = new XmlDocument(); //創(chuàng)建類型聲明節(jié)點 XmlNode node = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", ""); xmlDoc.AppendChild(node); //創(chuàng)建Xml根節(jié)點 XmlNode root = xmlDoc.CreateElement("books"); xmlDoc.AppendChild(root); XmlNode root1 = xmlDoc.CreateElement("book"); root.AppendChild(root1); //創(chuàng)建子節(jié)點 CreateNode(xmlDoc, root1, "author", "追逐時光者"); CreateNode(xmlDoc, root1, "title", "XML學習教程"); CreateNode(xmlDoc, root1, "publisher", "時光出版社"); //將文件保存到指定位置 xmlDoc.Save(saveFilePath/*"D://xmlSampleCreateFile.xml"*/); /// <summary> /// 創(chuàng)建節(jié)點 /// <param name="xmlDoc">xml文檔</param> /// <param name="parentNode">Xml父節(jié)點</param> /// <param name="name">節(jié)點名</param> /// <param name="value">節(jié)點值</param> /// public void CreateNode(XmlDocument xmlDoc, XmlNode parentNode, string name, string value) //創(chuàng)建對應Xml節(jié)點元素 XmlNode node = xmlDoc.CreateNode(XmlNodeType.Element, name, null); node.InnerText = value; parentNode.AppendChild(node); #region Xml數(shù)據(jù)讀取 /// 讀取Xml指定節(jié)點中的數(shù)據(jù) /// <param name="filePath">Xml文檔路徑</param> /// <param name="node">節(jié)點</param> /// <param name="attribute">讀取數(shù)據(jù)的屬性名</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; /// 獲得xml文件中指定節(jié)點的節(jié)點數(shù)據(jù) /// <param name="nodeName">節(jié)點名</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("http://" + nodeName); if (node != null) XmlString = node.InnerText; return XmlString; /// 獲取某一節(jié)點的所有孩子節(jié)點的值 /// <param name="node">要查詢的節(jié)點</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; //得到該節(jié)點的子節(jié)點 if (nodelist.Count > 0) str = new string[nodelist.Count]; foreach (XmlElement el in nodelist)//讀元素值 str[i] = el.Value; i++; return str; public XmlNodeList ReadAllChild(string node, string filePath) return nodelist; #region Xml插入數(shù)據(jù) /// Xml指定節(jié)點元素屬性插入數(shù)據(jù) /// <param name="path">路徑</param> /// <param name="element">元素名</param> /// <param name="attribute">屬性名</param> /// <param name="value">屬性數(shù)據(jù)</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 //添加新增的節(jié)點 xmlNode.AppendChild(xe); //保存Xml文檔 doc.Save(path); #region Xml修改數(shù)據(jù) /// Xml指定節(jié)點元素屬性修改數(shù)據(jù) * 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刪除數(shù)據(jù) /// 刪除數(shù)據(jù) * 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); }
到此這篇關于C#XmlHelper幫助類操作Xml文檔的通用方法匯總的文章就介紹到這了,更多相關C#XmlHelper幫助類內(nèi)容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關文章希望大家以后多多支持腳本之家!
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