Mybatis 动态列排序

   <choose>
      <when test="params.orderBy == 'ascending'">
         ORDER BY ${params.column} ASC
      </when>
      <when test="params.orderBy == 'descending'">
         ORDER BY ${params.column} DESC
      </when>
      <otherwise>
         order by xxx desc
      </otherwise>
    </choose>