dapper的一个小扩展以支持dataset

废话不多，直接上方法

        public static DataSet ExecuteDataSet(this IDbConnection cnn, IDbDataAdapter adapter, string sql, object param = null, bool buffered = true, int? commandTimeout = null, CommandType? commandType = null)
        {
            var ds = new DataSet();
            var command = new CommandDefinition(sql, (object)param, null, commandTimeout, commandType, buffered ? CommandFlags.Buffered : CommandFlags.None);
            var identity = new Identity(command.CommandText, command.CommandType, cnn, null, param == null ? null : param.GetType(), null);
            var info = GetCacheInfo(identity, param, command.AddToCache);
            bool wasClosed = cnn.State == ConnectionState.Closed;
            if (wasClosed) cnn.Open();
            adapter.SelectCommand = command.SetupCommand(cnn, info.ParamReader);
            adapter.Fill(ds);
            if (wasClosed) cnn.Close();
            return ds;
        }

在Query方法下面添加即可

使用Demo

var mysqlDs = con.ExecuteDataSet(new MySqlDataAdapter(), "SELECT * FROM wjf_role_relation where ROLE_ID=@ROLE_ID", new { ROLE_ID = '1' });