ado.net快速上手疑问及解答（完结篇）

        }

        static MapperUtill()
        {
            try
            {
                cmdTimeOut = int.Parse(ConfigurationManager.AppSettings["db_timeOut"]);
            }
            catch
            {
                cmdTimeOut = 15;
            }
            try
            {
                sqlType = int.Parse(ConfigurationManager.AppSettings["sqlType"]);
            }
            catch (Exception ex)
            {
                throw ex;
            }
            //实例化SqlDbMapper
            for (int i = 0; i < ConfigurationManager.ConnectionStrings.Count; i++)
            {
                string key = ConfigurationManager.ConnectionStrings[i].Name;
                string value = ConfigurationManager.ConnectionStrings[i].ConnectionString;
                CreateMapper(key, value, cmdTimeOut);
            }
        }

        public static ISqlMapper GetSqlMapper(string key)
        {
            return MapperUtill.GetMapper(key);
        }

        public static ISqlMapper GetCurrentSqlMapper()
        {
            return MapperUtill.GetMapper(currentSqlKey);
        }

        public static void CreateMapper(string connKey, string sqlConStr, int connTimeOut)
        {
            IDbOperation operation = null;
            switch (sqlType)
            {
                default:
                case 0:
                    operation = new SqlServer(sqlConStr, connTimeOut);
                    break;
                case 1:
                    //operation = new Orcale(sqlConStr, connTimeOut);//Orcale 未实现
                    break;
                case 2:
                    //operation = new MySql(sqlConStr, connTimeOut);//MySql 也没有实现呢
                    break;

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