using System.Configuration;

namespace zgcwkj
{
    public class Config
    {
        //组态
        private Configuration config = null;

        /// <summary>
        /// 实例配置文件对象
        /// </summary>
        public Config()
        {
            //获取Configuration对象
            //config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);

            //string path = System.Web.Mvc.Server.MapPath("~/Web.config");
            config = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("~");
        }

        /// <summary>
        /// 查询配置文件
        /// </summary>
        /// <param name="Name">名称</param>
        /// <returns></returns>
        public string Inquire(string Name)
        {
            //根据Key读取元素的Value
            return config.AppSettings.Settings[Name].Value;
        }

        /// <summary>
        /// 新增配置文件
        /// </summary>
        /// <param name="Name">名称</param>
        /// <param name="Data">数据</param>
        /// <returns></returns>
        public bool Insert(string Name, string Data)
        {
            try
            {
                //增加元素
                config.AppSettings.Settings.Add(Name, Data);
                //一定要记得保存，写不带参数的config.Save()也可以
                config.Save(ConfigurationSaveMode.Modified);
                //刷新，否则程序读取的还是之前的值（可能已装入内存）
                ConfigurationManager.RefreshSection("appSettings");

                return true;
            }
            catch
            {
                return false;
            }
        }

        /// <summary>
        /// 修改配置文件
        /// </summary>
        /// <param name="Name">名称</param>
        /// <param name="Data">数据</param>
        /// <returns></returns>
        public bool Update(string Name, string Data)
        {
            try
            {
                //更新元素
                config.AppSettings.Settings[Name].Value = Data;
                //一定要记得保存，写不带参数的config.Save()也可以
                config.Save(ConfigurationSaveMode.Modified);
                //刷新，否则程序读取的还是之前的值（可能已装入内存）
                ConfigurationManager.RefreshSection("appSettings");

                return true;
            }
            catch
            {
                return false;
            }
        }

        /// <summary>
        /// 删除配置文件
        /// </summary>
        /// <param name="Name">名称</param>
        /// <returns></returns>
        public bool Dalete(string Name)
        {
            try
            {
                ////删除元素
                config.AppSettings.Settings.Remove(Name);
                //一定要记得保存，写不带参数的config.Save()也可以
                config.Save(ConfigurationSaveMode.Modified);
                //刷新，否则程序读取的还是之前的值（可能已装入内存）
                ConfigurationManager.RefreshSection("appSettings");

                return true;
            }
            catch
            {
                return false;
            }
        }
    }
}