<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>
findByIds(List<Long> ids)
1.a 如果参数的类型是List, 则在使用时,collection属性要必须指定为
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>
findByIds(Long[] ids) 1.b 如果参数的类型是Array,则在使用时,collection属性要必须指定为 array <select id="findByIdsMap" resultMap="BaseResultMap">
select
<include refid="Base_Column_List" />
from jria where ID in
<foreach item="item" index="index" collection="array"
open="(" separator="," close=")">
#{item}
</foreach>
</select>
Map<String, Object> params = new HashMap<String, Object>(2); params.put("name", name); params.put("ids", ids); mapper.findByIdsMap(params); <select id="findByIdsMap" resultMap="BaseResultMap">
select
<include refid="Base_Column_List" />
from jria where ID in
<foreach item="item" index="index" collection="ids"
open="(" separator="," close=")">
#{item}
</foreach>
</select>
List<Jria> findByIds(Long... ids);
<select id="findbyIds" resultMap="BaseResultMap">
select
<include refid="Base_Column_List" />
from jria where ID in
<foreach item="item" index="index" collection="array"
open="(" separator="," close=")">
#{item}
</foreach>
</select>
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