操作XML类

 

using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using System.Windows.Forms;
using System.IO;
using System.Collections;
using System.Web;
using System.Web.UI;
namespace XMLAction
{
    public class XMLActionXML
    {
        public XMLActionXML(string FileName)
        {
            this.filename = FileName; 
        }
        /// <summary>
        /// 错讯
        /// </summary>
        public string errMessage = string.Empty;
        private string filename = string.Empty;
        /// <summary>
        /// 修改结点的值和属性
        /// </summary>
        /// <param name="xpath">xpath</param>
        /// <param name="value">值</param>
        /// <param name="Attributes">属性组</param>
        /// <returns></returns>
        public bool SetSelectSingleNodeInnerXml(string xpath, string value, SortedList<string,string> Attributes)
        {
            try
            {
                XmlDocument xmldoc = new XmlDocument();
                xmldoc.Load(filename);
                XmlNode root = xmldoc.SelectSingleNode(xpath);
                Page p = new Page();
                if (Attributes != null)
                {
                    foreach (KeyValuePair<string, string> k in Attributes)
                    {
                        root.Attributes[k.Key].Value =p.Server.HtmlEncode(k.Value);
                    }
                }
                root.InnerXml =p.Server.HtmlEncode(value);
                xmldoc.Save(filename);
                return true;
            }
            catch(Exception ex)
            {
                errMessage = ex.Message;
                return false;
            }
        }
        /// <summary>
        /// 修改结点的值和属性
        /// </summary>
        /// <param name="xpath">xpath</param>
        /// <param name="value">值</param>
        /// <returns></returns>
        public bool SetSelectSingleNodeInnerXml(string xpath, string value)
        {
           return SetSelectSingleNodeInnerXml(xpath, value, null);
        }
        /// <summary>
        /// 获取结点的值和属性
        /// </summary>
        /// <param name="xpath">xpath</param>
        /// <param name="value">值</param>
        /// <param name="Attributes">属性</param>
        /// <returns></returns>
        public void GetSelectSingleNodeInnerXml(string xpath, ref string InnerXml, ref SortedList<string, string> Attributes)
        {
            try
            {
                XmlDocument xmldoc = new XmlDocument();
                xmldoc.Load(filename);
                XmlNode root = xmldoc.SelectSingleNode(xpath);
                Page p = new Page();
                if (Attributes!=null)
                {
                    foreach (XmlAttribute k in root.Attributes)
                    {
                        if(!Attributes.ContainsKey(k.Name))
                        {
                           
                            
                        Attributes.Add(k.Name,p.Server.HtmlDecode(k.Value));
                        }
                    }
                }
                InnerXml = p.Server.HtmlDecode(root.InnerXml);
            }
            catch (Exception ex)
            {
                errMessage = ex.Message;
            }
        }
        /// <summary>
        /// 获取结点的值和属性
        /// </summary>
        /// <param name="xpath">xpath</param>
        /// <param name="value">值</param>
        public void GetSelectSingleNodeInnerXml(string xpath, ref string value)
        {
            SortedList<string, string> ss = new SortedList<string, string>();
            GetSelectSingleNodeInnerXml(xpath,ref value,ref ss);
        }
    }
}