[XML] C#XMLProcess操作Xml文档的帮助类（转载）

主要功能如下所示
看下面代码吧
/// <summary>

/// 类说明：XMLProcess

/// 编 码 人：苏飞

/// 联系方式：361983679

/// 更新网站：[url=http://www.sufeinet.com/thread-655-1-1.html]http://www.sufeinet.com/thread-655-1-1.html[/url]

/// </summary>

using System;

using System.Data;

using System.IO;

using System.Xml;

namespace DotNet.Utilities

{

    public class XMLProcess

    {

        #region 构造函数

        public XMLProcess()

        { }

        public XMLProcess(string strPath)

        {

            this._XMLPath = strPath;

        }

        #endregion

        #region 公有属性

        private string _XMLPath;

        public string XMLPath

        {

            get { return this._XMLPath; }

        }

        #endregion

        #region 私有方法

        /// <summary>

        /// 导入XML文件

        /// </summary>

        /// <param name="XMLPath">XML文件路径</param>

        private XmlDocument XMLLoad()

        {

            string XMLFile = XMLPath;

            XmlDocument xmldoc = new XmlDocument();

            try

            {

                string filename = AppDomain.CurrentDomain.BaseDirectory.ToString() + XMLFile;

                if (File.Exists(filename)) xmldoc.Load(filename);

            }

            catch (Exception e)

            { }

            return xmldoc;

        }

        /// <summary>

        /// 导入XML文件

        /// </summary>

        /// <param name="XMLPath">XML文件路径</param>

        private static XmlDocument XMLLoad(string strPath)

        {

            XmlDocument xmldoc = new XmlDocument();

            try

            {

                string filename = AppDomain.CurrentDomain.BaseDirectory.ToString() + strPath;

                if (File.Exists(filename)) xmldoc.Load(filename);

            }

            catch (Exception e)

            { }

            return xmldoc;

        }

        /// <summary>

        /// 返回完整路径

        /// </summary>

        /// <param name="strPath">Xml的路径</param>

        private static string GetXmlFullPath(string strPath)

        {

            if (strPath.IndexOf(":") > )

            {

                return strPath;

            }

            else

            {

                return System.Web.HttpContext.Current.Server.MapPath(strPath);

            }

        }

        #endregion

        #region 读取数据

        /// <summary>

        /// 读取指定节点的数据

        /// </summary>

        /// <param name="node">节点</param>

        /// 使用示列:

        /// XMLProsess.Read("/Node", "")

        /// XMLProsess.Read("/Node/Element[@Attribute='Name']")

        public string Read(string node)

        {

            string value = "";

            try

            {

                XmlDocument doc = XMLLoad();

                XmlNode xn = doc.SelectSingleNode(node);

                value = xn.InnerText;

            }

            catch { }

            return value;

        }

        /// <summary>

        /// 读取指定路径和节点的串联值

        /// </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>

        /// 使用示列:

        /// XMLProsess.Read(path, "/Node", "")

        /// XMLProsess.Read(path, "/Node/Element[@Attribute='Name']")

        public static string Read(string path, string node)

        {

            string value = "";

            try

            {

                XmlDocument doc = XMLLoad(path);

                XmlNode xn = doc.SelectSingleNode(node);

                value = xn.InnerText;

            }

            catch { }

            return value;

        }

        /// <summary>

        /// 读取指定路径和节点的属性值

        /// </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>

        /// 使用示列:

        /// XMLProsess.Read(path, "/Node", "")

        /// XMLProsess.Read(path, "/Node/Element[@Attribute='Name']", "Attribute")

        public static string Read(string path, string node, string attribute)

        {

            string value = "";

            try

            {

                XmlDocument doc = XMLLoad(path);

                XmlNode xn = doc.SelectSingleNode(node);

                value = (attribute.Equals("") ? xn.InnerText : xn.Attributes[attribute].Value);

            }

            catch { }

            return value;

        }

        /// <summary>

        /// 获取某一节点的所有孩子节点的值

        /// </summary>

        /// <param name="node">要查询的节点</param>

        public string[] ReadAllChildallValue(string node)

        {

            int i = ;

            string[] str = { };

            XmlDocument doc = XMLLoad();

            XmlNode xn = doc.SelectSingleNode(node);

            XmlNodeList nodelist = xn.ChildNodes;  //得到该节点的子节点

            if (nodelist.Count > )

            {

                str = new string[nodelist.Count];

                foreach (XmlElement el in nodelist)//读元素值

                {

                    str[i] = el.Value;

                    i++;

                }

            }

            return str;

        }

        /// <summary>

        /// 获取某一节点的所有孩子节点的值

        /// </summary>

        /// <param name="node">要查询的节点</param>

        public XmlNodeList ReadAllChild(string node)

        {

            XmlDocument doc = XMLLoad();

            XmlNode xn = doc.SelectSingleNode(node);

            XmlNodeList nodelist = xn.ChildNodes;  //得到该节点的子节点

            return nodelist;

        }

        /// <summary>

        /// 读取XML返回经排序或筛选后的DataView

        /// </summary>

        /// <param name="strWhere">筛选条件，如:"name='kgdiwss'"</param>

        /// <param name="strSort"> 排序条件，如:"Id desc"</param>

        public DataView GetDataViewByXml(string strWhere, string strSort)

        {

            try

            {

                string XMLFile = this.XMLPath;

                string filename = AppDomain.CurrentDomain.BaseDirectory.ToString() + XMLFile;

                DataSet ds = new DataSet();

                ds.ReadXml(filename);

                DataView dv = new DataView(ds.Tables[]); //创建DataView来完成排序或筛选操作

                if (strSort != null)

                {

                    dv.Sort = strSort; //对DataView中的记录进行排序

                }

                if (strWhere != null)

                {

                    dv.RowFilter = strWhere; //对DataView中的记录进行筛选，找到我们想要的记录

                }

                return dv;

            }

            catch (Exception)

            {

                return null;

            }

        }

        /// <summary>

        /// 读取XML返回DataSet

        /// </summary>

        /// <param name="strXmlPath">XML文件相对路径</param>

        public DataSet GetDataSetByXml(string strXmlPath)

        {

            try

            {

                DataSet ds = new DataSet();

                ds.ReadXml(GetXmlFullPath(strXmlPath));

                if (ds.Tables.Count > )

                {

                    return ds;

                }

                return null;

            }

            catch (Exception)

            {

                return null;

            }

        }

        #endregion

        #region 插入数据

        /// <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>

        /// 使用示列:

        /// XMLProsess.Insert(path, "/Node", "Element", "", "Value")

        /// XMLProsess.Insert(path, "/Node", "Element", "Attribute", "Value")

        /// XMLProsess.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(AppDomain.CurrentDomain.BaseDirectory.ToString() + 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(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);

            }

            catch { }

        }

        /// <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="strList">由XML属性名和值组成的二维数组</param>

        public static void Insert(string path, string node, string element, string[][] strList)

        {

            try

            {

                XmlDocument doc = new XmlDocument();

                doc.Load(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);

                XmlNode xn = doc.SelectSingleNode(node);

                XmlElement xe = doc.CreateElement(element);

                string strAttribute = "";

                string strValue = "";

                for (int i = ; i < strList.Length; i++)

                {

                    for (int j = ; j < strList[i].Length; j++)

                    {

                        if (j == )

                            strAttribute = strList[i][j];

                        else

                            strValue = strList[i][j];

                    }

                    if (strAttribute.Equals(""))

                        xe.InnerText = strValue;

                    else

                        xe.SetAttribute(strAttribute, strValue);

                }

                xn.AppendChild(xe);

                doc.Save(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);

            }

            catch { }

        }

        /// <summary>

        /// 插入一行数据

        /// </summary>

        /// <param name="strXmlPath">XML文件相对路径</param>

        /// <param name="Columns">要插入行的列名数组，如：string[] Columns = {"name","IsMarried"};</param>

        /// <param name="ColumnValue">要插入行每列的值数组，如：string[] ColumnValue={"XML大全","false"};</param>

        /// <returns>成功返回true,否则返回false</returns>

        public static bool WriteXmlByDataSet(string strXmlPath, string[] Columns, string[] ColumnValue)

        {

            try

            {

                //根据传入的XML路径得到.XSD的路径，两个文件放在同一个目录下

                string strXsdPath = strXmlPath.Substring(, strXmlPath.IndexOf(".")) + ".xsd";

                DataSet ds = new DataSet();

                ds.ReadXmlSchema(GetXmlFullPath(strXsdPath)); //读XML架构，关系到列的数据类型

                ds.ReadXml(GetXmlFullPath(strXmlPath));

                DataTable dt = ds.Tables[];

                DataRow newRow = dt.NewRow();                 //在原来的表格基础上创建新行

                for (int i = ; i < Columns.Length; i++)      //循环给一行中的各个列赋值

                {

                    newRow[Columns[i]] = ColumnValue[i];

                }

                dt.Rows.Add(newRow);

                dt.AcceptChanges();

                ds.AcceptChanges();

                ds.WriteXml(GetXmlFullPath(strXmlPath));

                return true;

            }

            catch (Exception)

            {

                return false;

            }

        }

        #endregion

        #region 修改数据

        /// <summary>

        /// 修改指定节点的数据

        /// </summary>

        /// <param name="node">节点</param>

        /// <param name="value">值</param>

        public void Update(string node, string value)

        {

            try

            {

                XmlDocument doc = XMLLoad();

                XmlNode xn = doc.SelectSingleNode(node);

                xn.InnerText = value;

                doc.Save(AppDomain.CurrentDomain.BaseDirectory.ToString() + XMLPath);

            }

            catch { }

        }

        /// <summary>

        /// 修改指定节点的数据

        /// </summary>

        /// <param name="path">路径</param>

        /// <param name="node">节点</param>

        /// <param name="value">值</param>

        /// 使用示列:

        /// XMLProsess.Insert(path, "/Node","Value")

        /// XMLProsess.Insert(path, "/Node","Value")

        public static void Update(string path, string node, string value)

        {

            try

            {

                XmlDocument doc = XMLLoad(path);

                XmlNode xn = doc.SelectSingleNode(node);

                xn.InnerText = value;

                doc.Save(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);

            }

            catch { }

        }

        /// <summary>

        /// 修改指定节点的属性值(静态)

        /// </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>

        /// 使用示列:

        /// XMLProsess.Insert(path, "/Node", "", "Value")

        /// XMLProsess.Insert(path, "/Node", "Attribute", "Value")

        public static void Update(string path, string node, string attribute, string value)

        {

            try

            {

                XmlDocument doc = XMLLoad(path);

                XmlNode xn = doc.SelectSingleNode(node);

                XmlElement xe = (XmlElement)xn;

                if (attribute.Equals(""))

                    xe.InnerText = value;

                else

                    xe.SetAttribute(attribute, value);

                doc.Save(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);

            }

            catch { }

        }

        /// <summary>

        /// 更改符合条件的一条记录

        /// </summary>

        /// <param name="strXmlPath">XML文件路径</param>

        /// <param name="Columns">列名数组</param>

        /// <param name="ColumnValue">列值数组</param>

        /// <param name="strWhereColumnName">条件列名</param>

        /// <param name="strWhereColumnValue">条件列值</param>

        public static bool UpdateXmlRow(string strXmlPath, string[] Columns, string[] ColumnValue, string strWhereColumnName, string strWhereColumnValue)

        {

            try

            {

                string strXsdPath = strXmlPath.Substring(, strXmlPath.IndexOf(".")) + ".xsd";

                DataSet ds = new DataSet();

                ds.ReadXmlSchema(GetXmlFullPath(strXsdPath));//读XML架构，关系到列的数据类型

                ds.ReadXml(GetXmlFullPath(strXmlPath));

                //先判断行数

                if (ds.Tables[].Rows.Count > )

                {

                    for (int i = ; i < ds.Tables[].Rows.Count; i++)

                    {

                        //如果当前记录为符合Where条件的记录

                        if (ds.Tables[].Rows[i][strWhereColumnName].ToString().Trim().Equals(strWhereColumnValue))

                        {

                            //循环给找到行的各列赋新值

                            for (int j = ; j < Columns.Length; j++)

                            {

                                ds.Tables[].Rows[i][Columns[j]] = ColumnValue[j];

                            }

                            ds.AcceptChanges();                     //更新DataSet

                            ds.WriteXml(GetXmlFullPath(strXmlPath));//重新写入XML文件

                            return true;

                        }

                    }

                }

                return false;

            }

            catch (Exception)

            {

                return false;

            }

        }

        #endregion

        #region 删除数据

        /// <summary>

        /// 删除节点值

        /// </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>

        /// 使用示列:

        /// XMLProsess.Delete(path, "/Node", "")

        /// XMLProsess.Delete(path, "/Node", "Attribute")

        public static void Delete(string path, string node)

        {

            try

            {

                XmlDocument doc = XMLLoad(path);

                XmlNode xn = doc.SelectSingleNode(node);

                xn.ParentNode.RemoveChild(xn);

                doc.Save(AppDomain.CurrentDomain.BaseDirectory.ToString() + 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>

        /// 使用示列:

        /// XMLProsess.Delete(path, "/Node", "")

        /// XMLProsess.Delete(path, "/Node", "Attribute")

        public static void Delete(string path, string node, string attribute)

        {

            try

            {

                XmlDocument doc = XMLLoad(path);

                XmlNode xn = doc.SelectSingleNode(node);

                XmlElement xe = (XmlElement)xn;

                if (attribute.Equals(""))

                    xn.ParentNode.RemoveChild(xn);

                else

                    xe.RemoveAttribute(attribute);

                doc.Save(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);

            }

            catch { }

        }

        /// <summary>

        /// 删除所有行

        /// </summary>

        /// <param name="strXmlPath">XML路径</param>

        public static bool DeleteXmlAllRows(string strXmlPath)

        {

            try

            {

                DataSet ds = new DataSet();

                ds.ReadXml(GetXmlFullPath(strXmlPath));

                if (ds.Tables[].Rows.Count > )

                {

                    ds.Tables[].Rows.Clear();

                }

                ds.WriteXml(GetXmlFullPath(strXmlPath));

                return true;

            }

            catch (Exception)

            {

                return false;

            }

        }

        /// <summary>

        /// 通过删除DataSet中指定索引行，重写XML以实现删除指定行

        /// </summary>

        /// <param name="iDeleteRow">要删除的行在DataSet中的Index值</param>

        public static bool DeleteXmlRowByIndex(string strXmlPath, int iDeleteRow)

        {

            try

            {

                DataSet ds = new DataSet();

                ds.ReadXml(GetXmlFullPath(strXmlPath));

                if (ds.Tables[].Rows.Count > )

                {

                    ds.Tables[].Rows[iDeleteRow].Delete();

                }

                ds.WriteXml(GetXmlFullPath(strXmlPath));

                return true;

            }

            catch (Exception)

            {

                return false;

            }

        }

        /// <summary>

        /// 删除指定列中指定值的行

        /// </summary>

        /// <param name="strXmlPath">XML相对路径</param>

        /// <param name="strColumn">列名</param>

        /// <param name="ColumnValue">指定值</param>

        public static bool DeleteXmlRows(string strXmlPath, string strColumn, string[] ColumnValue)

        {

            try

            {

                DataSet ds = new DataSet();

                ds.ReadXml(GetXmlFullPath(strXmlPath));

                if (ds.Tables[].Rows.Count > )

                {

                    //判断行多还是删除的值多，多的for循环放在里面

                    if (ColumnValue.Length > ds.Tables[].Rows.Count)

                    {

                        for (int i = ; i < ds.Tables[].Rows.Count; i++)

                        {

                            for (int j = ; j < ColumnValue.Length; j++)

                            {

                                if (ds.Tables[].Rows[i][strColumn].ToString().Trim().Equals(ColumnValue[j]))

                                {

                                    ds.Tables[].Rows[i].Delete();

                                }

                            }

                        }

                    }

                    else

                    {

                        for (int j = ; j < ColumnValue.Length; j++)

                        {

                            for (int i = ; i < ds.Tables[].Rows.Count; i++)

                            {

                                if (ds.Tables[].Rows[i][strColumn].ToString().Trim().Equals(ColumnValue[j]))

                                {

                                    ds.Tables[].Rows[i].Delete();

                                }

                            }

                        }

                    }

                    ds.WriteXml(GetXmlFullPath(strXmlPath));

                }

                return true;

            }

            catch (Exception)

            {

                return false;

            }

        }

        #endregion

    }

}
巴特西

[XML] C#XMLProcess操作Xml文档的帮助类（转载）

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巴特西

[XML] C#XMLProcess操作Xml文档的帮助类 （转载）

最新文章

热门文章

[XML] C#XMLProcess操作Xml文档的帮助类（转载）
