读写项目配置文件

[c#]代码库

    public class ConfigHelper
    {
        #region 读写配置文件

        public static string GetConfigFileName()
        {
            return System.Reflection.Assembly.GetExecutingAssembly().ManifestModule.FullyQualifiedName;
        }

        /// <summary>
        /// 修改配置文件中某项的值
        /// </summary>
        /// <param name="key">appSettings的key</param>
        /// <param name="value">appSettings的Value</param>
        public static void SetConfig(string key, string value)
        {
            string path=GetConfigFileName();
            Configuration config = ConfigurationManager.OpenExeConfiguration(path);

            config.AppSettings.Settings[key].Value = value;

            //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");
        }

        /// <summary>
        /// 读取配置文件某项的值
        /// </summary>
        /// <param name="key">appSettings的key</param>
        /// <returns>appSettings的Value</returns>
        public static string GetConfig(string key)
        {
            string _value = string.Empty;
            string path = GetConfigFileName();
            Configuration config = ConfigurationManager.OpenExeConfiguration(path);
            if (config.AppSettings.Settings[key] != null)
            {
                _value = config.AppSettings.Settings[key].Value;
            }
            return _value;
        }

        #endregion

        /// <summary>
        /// 数据服务连接方式 WebApiUri：ConnectString
        /// </summary>
        public static string ServerType
        {
            get
            {
                return GetConfig("ServerType");
            }
            set
            {
                SetConfig("ServerType", value);
            }
        }

        /// <summary>
        /// WebApi地址
        /// </summary>
        public static string WebApiUri
        {
            get
            {
                return GetConfig("WebApiUri");
            }
            set
            {
                SetConfig("WebApiUri", value);
            }
        }

        /// <summary>
        /// 数据库连接字符串
        /// </summary>
        public static string ConnectString
        {
            get
            {
                return GetConfig("ConnectString");
            }
            set
            {
                SetConfig("ConnectString", value);
            }
        }

        /// <summary>
        /// 程序更新地址
        /// </summary>
        public static string UpdateUri
        {
            get
            {
                return GetConfig("UpdateUri");
            }
            set
            {
                SetConfig("UpdateUri", value);
            }
        }

        /// <summary>
        /// 登录用户名
        /// </summary>
        public static string LoginUserName
        {
            get
            {
                return GetConfig("LoginUserName");
            }
            set
            {
                SetConfig("LoginUserName", value);
            }
        }

        /// <summary>
        /// 密码
        /// </summary>
        public static string UserPasswd
        {
            get
            {
                return GetConfig("UserPasswd");
            }
            set
            {
                SetConfig("UserPasswd", value);
            }
        }

        /// <summary>
        /// 默认语言
        /// </summary>
        public static string Lang
        {
            get
            {
                return GetConfig("Lang");
            }
            set
            {
                SetConfig("Lang", value);
            }
        }

        /// <summary>
        /// 默认语言文件位置
        /// </summary>
        public static string LangFile
        {
            get
            {
                return GetConfig("LangFile");
            }
            set
            {
                SetConfig("LangFile", value);
            }
        }

    }