详解 Mysql查询结果顺序按 in() 中ID 的顺序排列

时间:2022-04-10 02:55:10

详解 Mysql查询结果顺序按 in() 中ID 的顺序排列

实例代码:

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<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:

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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);

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原文链接:http://blog.csdn.net/qq_37107280/article/details/78033724