mybatis sql in 查詢（mybatis sql語句傳入參數是list）mybatis中使用in查詢時in怎么接收值

1.in查詢條件是list時

<select id="getMultiMomentsCommentsCounts" resultType="int">
select moment_comment_count from tbl_moment_commentCount where mid in
<foreach item="item" index="index" collection="list" open="(" separator="," close=")"> 
    #{item} 
</foreach> 
</select>

.1 如果參數的類型是List, 則在使用時，collection屬性要必須指定為 list

<select id="findByIdsMap" resultMap="BaseResultMap">
 Select
 <include refid="Base_Column_List" />
 from jria where ID in
 <foreach item="item" index="index" collection="list" open="(" separator="," close=")">
  #{item}
 </foreach>
</select>

2.in查詢條件是枚舉值時

默認下,使用select xxx where in(xx,xx)查詢,返回結果是按主鍵排序的,如果要按in()中值的排列順序,可以這樣做:

 

select * from talbe where id in(3,2,4,1) ORDER BY FIND_IN_SET( id, '3,2,4,1')