mapper.xml
<resultMap type="com.union.weixin.bean.CountData" id="CountDataResult">
<result property="totalNum" column="totalNum" javaType="String"/>
<result property="dimension" column="dimension" javaType="String"/>
</resultMap>
<select id="countResourceNum" parameterType="String" resultMap="CountDataResult">
${value}
</select>
DAO.java
public List<CountData> countResourceNum(@Param(value="value") String sql) throws Exception;
Controller.java
List<CountData> countDatas = countDataSV.countResourceNum(countSQL);