using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Serialization;

namespace CommonUtils.xml
{
   public class SaveXml
    {

        #region 保存xml
        /// <summary>
        /// <para>将类保存成XML或者从XML读取到类</para>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="strFile"></param>
        /// <param name="bSave">是否写</param>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static T Serialize<T>(string strFile, bool bSave, ref T obj)
          where T : class
        {
            try
            {

                XmlSerializer xs = new XmlSerializer(typeof(T));
                if ( bSave )
                {
                    string[] temps = strFile.Split('\\');
                    string temp = "";
                    for ( int i = 0; i < temps.Length - 1; i++ )
                    {
                        temp += temps[ i ];
                        temp += @"\";
                    }
                    Directory.CreateDirectory(temp);
                    Stream stream = new FileStream(strFile, FileMode.Create, FileAccess.Write, FileShare.Read);
                    xs.Serialize(stream, obj);
                    stream.Close();
                }
                else
                {
                    bool bExist = File.Exists(strFile);
                    if ( bExist )
                    {
                        Stream stream = new FileStream(strFile, FileMode.Open, FileAccess.Read, FileShare.Read);
                        obj = xs.Deserialize(stream) as T;
                        stream.Close();
                    }
                    else
                    {
                        throw new Exception("指定文件不存在");
                    }
                }
            }
            catch ( System.Exception ex )
            {
                throw ex;
            }
            return obj;
        }
        #endregion
    }
}