CnccForTMS/SiwiFms.Helper/UserConfigXML.cs

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

namespace SiwiFms.Helper
{
    public class UserConfigXML
    {
        public static readonly UserConfigXML Instance = new UserConfigXML();
        private string filePath;
        private List<UserProfie> userProfies = new List<UserProfie>();
        private UserConfigXML()
        {
            filePath = Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "UserConfig.xml");
            LoadUserConfigXML();

        }
        /// <summary>
        /// 获取指定key的值
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public string ReadSetting(string key)
        {
            var up = userProfies.FirstOrDefault(m => m.Key == key);
            if (up != null)
                return up.Value;
            else
                return string.Empty;
        }
        /// <summary>
        /// 添加一个配置
        /// </summary>
        /// <param name="key"></param>
        /// <param name="value"></param>
        public void WriteSetting(string key, string value)
        {
            var us = userProfies.FirstOrDefault(m => m.Key == key);
            if (us != null)
                userProfies.Remove(us);
            userProfies.Add(new UserProfie { Key = key, Value = value });
            SaveUserConfigXML();
        }
       /// <summary>
       /// 删除一个配置
       /// </summary>
       /// <param name="key"></param>
        public void RemoveSetting(string key)
        {
            var us = userProfies.FirstOrDefault(m => m.Key == key);
            if (us != null)
            {
                userProfies.Remove(us);
                SaveUserConfigXML();
            }
        }
        /// <summary>
        /// 保存配置
        /// </summary>
        private void SaveUserConfigXML()
        {
            try
            {
                var domLinq = new XElement("AppSettings",from c in userProfies
                                                             select new XElement("add",new XAttribute("key",c.Key),new XAttribute("value",c.Value)));
                domLinq.Save(filePath);
            }
            catch(Exception ex)
            {

                Console.WriteLine(ex.Message);
            }
        }
        /// <summary>
        /// 获取配置文件地址
        /// </summary>
        private void LoadUserConfigXML()
        {
            if (File.Exists(filePath))
            {
                try
                {
                    XmlSerializer xs = new XmlSerializer(typeof(List<UserProfie>));
                    using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read))
                    {
                        userProfies = (List<UserProfie>)xs.Deserialize(fs);
                    }
                }
                catch(Exception ex)
                {

                    Console.WriteLine(ex.Message);
                }
            }
        }
    }
    public class UserProfie
    {
        public string Key { get; set; }
        public string Value { get; set; }
    }
}