mybatis 执行传入的任意sql语句

dao类

    /**
     * 自定义sql查询
     * @param sqlContent
     * @return
     */

    public List<LinkedHashMap<String, Object>> customQueryItem(String sqlContent);

mapper.xml

<select id="customQueryItem" parameterType="String" resultType="java.util.LinkedHashMap">
         <![CDATA[
            SELECT *  FROM (${value}) obj
          ]]>
    </select>