ibatis返回HashMap

resultname="code"><select id="selectDistinctBrand" resultparametercacheModel="oneDayCache">SELECT distinct a.brand_id, a.brand_name FROM BUSINESS a</select>

java端返回List<HashMap>绑定到前台下拉框

          <html-el:select property="cls_id">          <html-el:option value="">请选择品类</html-el:option>               <html-el:optionsCollection  name="clsList" label="CLS_NAME" value="CLS_ID" />          </html-el:select>