丁香鱼工作室：C#：XML操作类 2024-04-18 23:43:22 0 0 C#：XML操作类 C#：XML操作类 写的一个XML操作类，包括读取/插入/修改/删除。 using System; using System.Data; using System.Configuration; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using System.Xml; namespace PuTianCheng { /// <summary> /// XmlHelper 的摘要说明 /// </summary> public class XmlHelper { public XmlHelper() { } /// <summary> /// 读取数据 /// </summary> /// <param name="path"> 路径 </param> /// <param name="node"> 节点 </param> /// <param name="attribute"> 属性名，非空时返回该属性值，否则返回串联值 </param> /// <returns> string </returns> /* ************************************************* * 使用示列: * XmlHelper.Read(path, "/Node", "") * XmlHelper.Read(path, "/Node/Element[@Attribute='Name']", "Attribute") *********************************************** */ public static string Read( string path, string node, string attribute) { string value = ""; try { XmlDocument doc = new XmlDocument(); doc.Load(path); XmlNode xn = doc.SelectSingleNode(node); value = (attribute.Equals( "") ? xn.InnerText : xn.Attributes[attribute].Value); } catch { } return value; } /// <summary> /// 插入数据 /// </summary> /// <param name="path"> 路径 </param> /// <param name="node"> 节点 </param> /// <param name="element"> 元素名，非空时插入新元素，否则在该元素中插入属性 </param> /// <param name="attribute"> 属性名，非空时插入该元素属性值，否则插入元素值 </param> /// <param name="value"> 值 </param> /// <returns></returns> /* ************************************************* * 使用示列: * XmlHelper.Insert(path, "/Node", "Element", "", "Value") * XmlHelper.Insert(path, "/Node", "Element", "Attribute", "Value") * XmlHelper.Insert(path, "/Node", "", "Attribute", "Value") *********************************************** */ public static void Insert( string path, string node, string element, string attribute, string value) { try { XmlDocument doc = new XmlDocument(); doc.Load(path); XmlNode xn = doc.SelectSingleNode(node); if (element.Equals( "")) { if (!attribute.Equals( "")) { XmlElement xe = (XmlElement)xn; xe.SetAttribute(attribute, value); } } else { XmlElement xe = doc.CreateElement(element); if (attribute.Equals( "")) xe.InnerText = value; else xe.SetAttribute(attribute, value); xn.AppendChild(xe); } doc.Save(path); } catch { } } /// <summary> /// 修改数据 /// </summary> /// <param name="path"> 路径 </param> /// <param name="node"> 节点 </param> /// <param name="attribute"> 属性名，非空时修改该节点属性值，否则修改节点值 </param> /// <param name="value"> 值 </param> /// <returns></returns> /* ************************************************* * 使用示列: * XmlHelper.Insert(path, "/Node", "", "Value") * XmlHelper.Insert(path, "/Node", "Attribute", "Value") *********************************************** */ public static void Update( string path, string node, string attribute, string value) { try { XmlDocument doc = new XmlDocument(); doc.Load(path); XmlNode xn = doc.SelectSingleNode(node); XmlElement xe = (XmlElement)xn; if (attribute.Equals( "")) xe.InnerText = value; else xe.SetAttribute(attribute, value); doc.Save(path); } catch { } } /// <summary> /// 删除数据 /// </summary> /// <param name="path"> 路径 </param> /// <param name="node"> 节点 </param> /// <param name="attribute"> 属性名，非空时删除该节点属性值，否则删除节点值 </param> /// <param name="value"> 值 </param> /// <returns></returns> /* ************************************************* * 使用示列: * XmlHelper.Delete(path, "/Node", "") * XmlHelper.Delete(path, "/Node", "Attribute") *********************************************** */ public static void Delete( 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 { } } } } ================================================== XmlFile.xml： <?xml version="1.0" encoding="utf-8"?> <Root /> ================================================== 使用方法： string xml = Server.MapPath("XmlFile.xml"); //插入元素 //XmlHelper.Insert(xml, "/Root", "Studio", "", ""); //插入元素/属性 //XmlHelper.Insert(xml, "/Root/Studio", "Site", "Name", "小路工作室"); //XmlHelper.Insert(xml, "/Root/Studio", "Site", "Name", "丁香鱼工作室"); //XmlHelper.Insert(xml, "/Root/Studio", "Site", "Name", "五月软件"); //XmlHelper.Insert(xml, "/Root/Studio/Site[@Name='五月软件]", "Master", "", "五月"); //插入属性 //XmlHelper.Insert(xml, "/Root/Studio/Site[@Name='小路工作室']", "", "Url", "http://www.wzlu.com/"); //XmlHelper.Insert(xml, "/Root/Studio/Site[@Name='丁香鱼工作室']", "", "Url", "http://www.luckfish.net/"); //XmlHelper.Insert(xml, "/Root/Studio/Site[@Name='五月软件]", "", "Url", "http://www.vs2005.com.cn/"); //修改元素值 //XmlHelper.Update(xml, "/Root/Studio/Site[@Name='五月软件]/Master", "", "Wuyue"); //修改属性值 //XmlHelper.Update(xml, "/Root/Studio/Site[@Name='五月软件]", "Url", "http://www.vs2005.com.cn/"); //XmlHelper.Update(xml, "/Root/Studio/Site[@Name='五月软件]", "Name", "MaySoft"); //读取元素值 //Response.Write("<div>" + XmlHelper.Read(xml, "/Root/Studio/Site/Master", "") + "</div>"); //读取属性值 //Response.Write("<div>" + XmlHelper.Read(xml, "/Root/Studio/Site", "Url") + "</div>"); //读取特定属性值 //Response.Write("<div>" + XmlHelper.Read(xml, "/Root/Studio/Site[@Name='丁香鱼工作室']", "Url") + "</div>"); //删除属性 //XmlHelper.Delete(xml, "/Root/Studio/Site[@Name='小路工作室']", "Url"); //删除元素 //XmlHelper.Delete(xml, "/Root/Studio", "");posted on 2010-03-04 15:22 marin 阅读( ...) 评论( ...) 编辑 收藏 转载于:https://www.cnblogs.com/malin/archive/2010/03/04/1678352.html 收藏（0）