mybatis 批量 insert 对象

<insert id="addTrainRecordBatch">
        insert into product_sort (sell_id, shop_id,
        sort_id, fid, name,
        status, lev
        )
      values
      <foreach collection="list" item="item" index="index" separator="," >
           (#{item.sellId},#{item.shopId},#{item.sortId},#{item.fid},#{item.name},#{item.status},#{item.lev})
      </foreach>
  </insert>