using System;
using System.Collections.Generic;
using System.IO;
using System.Xml.Serialization;

namespace Admin.Core.Common
{
    public class XmlHelper
    {
        /// <summary>
        /// 转换对象为JSON格式数据
        /// </summary>
        /// <typeparam name="T">类</typeparam>
        /// <param name="obj">对象</param>
        /// <returns>字符格式的JSON数据</returns>
        public static string GetXML<T>(object obj)
        {
            try
            {
                XmlSerializer xs = new XmlSerializer(typeof(T));

                using (TextWriter tw = new StringWriter())
                {
                    xs.Serialize(tw, obj);
                    return tw.ToString();
                }
            }
            catch (Exception)
            {
                return string.Empty;
            }
        }

        /// <summary>
        /// Xml格式字符转换为T类型的对象
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="xml"></param>
        /// <returns></returns>
        public static T ParseFormByXml<T>(string xml,string rootName="root")
        {
            XmlSerializer serializer = new XmlSerializer(typeof(T), new XmlRootAttribute(rootName));
            StringReader reader = new StringReader(xml);

            T res = (T)serializer.Deserialize(reader);
            reader.Close();
            reader.Dispose();
            return res; 
        } 
    }
}