详解 Mysql查询结果顺序按 in

详解 Mysql查询结果顺序按 in() 中ID 的顺序排列

详解 Mysql查询结果顺序按 in() 中ID 的顺序排列

实例代码：

<select id="queryGBStyleByIDs" resultMap="styleMap"> 
    select style_num_id ,style_id,style_title,style_pic FROM gb_style where online = 1 AND is_hide = 0 and style_num_id in 
    <foreach collection="styleNumIDs" item="styleNumId" separator="," open="(" close=")"> 
     #{styleNumId} 
    </foreach> 
    ORDER BY FIELD 
    <foreach collection="styleNumIDs" item="styleNumId" separator="," open="(style_num_id," close=")"> 
      #{styleNumId} 
    </foreach> 
  </select> 

最终输出sql如下:

select style_num_id ,style_id,style_title,style_pic FROM gb_style where online = 1 AND is_hide = 0 and style_num_id in (1,3,2,5) 
order by field (style_num_id,1,3,2,5);

如有疑问请留言或者到本站社区交流讨论，感谢阅读，希望能帮助到大家，谢谢大家对本站的支持！