using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;

namespace VersionUpadate
{
    public class config
    {
/// <summary>
         /// 修改AppSettings中配置
         /// </summary>
         /// <param name="key">key值</param>
         /// <param name="value">相应值</param>
         public static bool SetConfigValue(string key, string value)
         {
             try
             {
                 Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
                 if (config.AppSettings.Settings[key] != null)
                     config.AppSettings.Settings[key].Value = value;
                 else
                     config.AppSettings.Settings.Add(key, value);
                 config.Save(ConfigurationSaveMode.Modified);
                 ConfigurationManager.RefreshSection("appSettings");
                 return true;
             }
             catch
             {
                 return false;
             }
         }
        /// <summary>
        /// 获取AppSettings中某一节点值
        /// </summary>
        /// <param name="key"></param>
        public static string GetConfigValue(string key)
        {
                Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
                if (config.AppSettings.Settings[key] != null)
                     return  config.AppSettings.Settings[key].Value;
                else
                  
                return string.Empty;
        }    
    }
}