using System;
using System.Collections.Generic;
using System.Linq;
using System.Data;
using System.Text;
using System.Xml;
using System.Xml.Linq;

namespace WMS.Common
{
    public class XMLHelper
    {
        #region 构造函数
        /// <summary>
        /// 构造函数
        /// </summary>
        public XMLHelper() { }
        #endregion

        private XDeclaration Declaration = new XDeclaration("1.0", "uft-8", "no");
 

        #region 创建XML
        /// <summary>
        /// 根据XElement创建XML文件
        /// </summary>
        /// <param name="el"></param>
        /// <param name="filename"></param>
        public static void CreateXML(XElement el, string filename)
        {
            XDocument doc = new XDocument(el);
            doc.Save(filename);
        }
        /// <summary>
        /// 根据XML文本文件内容创建XML
        /// </summary>
        /// <param name="xml"></param>
        /// <param name="filename"></param>
        public void CreateXML(string xml, string filename)
        {
            XElement el = XElement.Parse(xml);
            XDocument doc = new XDocument(Declaration, el);
            doc.Save(filename, SaveOptions.None);
        }
        /// <summary>
        /// 将DataTable转化成XML文件，并保存
        /// </summary>
        /// <param name="table"></param>
        /// <param name="fileName"></param>
        public void CreateXML(DataTable table, string fileName)
        {
            //设置默认xml文件名
            if (string.IsNullOrEmpty(fileName))
            {
                fileName = @"XMLData\" + table.TableName;
            }
            DataSet ds = new DataSet();
            ds.Tables.Add(table);
            ds.WriteXml(fileName);
        }
        #endregion

        #region 查询XML文件
        public void SelectXML(string fileName, string Node)
        {

        }
        #endregion

        #region UpdateXML

        #endregion

        #region AddXml

        #endregion
    }
}