ibatis 中参数为list

<select id="findbdzq" parameterClass="Map" resultMap="biaodilist">
    	select SEC_CODE,
    	       SEC_ABBR,
    	       FINANCLE_BIDDING ,
    	       MARGIN_BIDDING,
    	       TRADEMARKET,
    	       ORDER_DATE 
  			from GATHER_DT_BDZQLB tbl 
    	   where tbl.IS_VALID ='1'  
    	<isNotEmpty prepend=" and " property="maktype">tbl.TRADEMARKET = #maktype# </isNotEmpty>
    	 and to_char(tbl.ORDER_DATE,'yyyyMMdd')
    	  in  <iterate property="datels" open="(" close=")" conjunction=","> #datels[]# </iterate> 
    	  order by tbl.TRADEMARKET
    </select>