Mybatis批处理（批量查询，更新，插入）

mybatis批量查询

mapper.java

List<UBaseMenu> findMenuName(List<String> valueList);

mapper.xml

<select id="findMenuName" resultType="java.lang.String" parameterType="java.util.List">
select menu_name
from menu
where menu_id in
<foreach collection="list" item="valueList" open="(" close=")" separator=",">
#{valueList}
</foreach>
</select>

批量插入:

mapper.java

int addResource(List<Resource> ResourceList);

mapper.xml

<insert id="addResource" parameterType="java.util.List">
insert into resource (object_id, res_id, res_detail_value,
res_detail_name)
values
<foreach collection="list" item=" ResourceList " index="index" separator=",">
(#{ResourceList.objectId,jdbcType=VARCHAR},
#{ResourceList.resId,jdbcType=VARCHAR},
#{ResourceList.resDetailValue,jdbcType=VARCHAR},
#{ResourceList.resDetailName,jdbcType=VARCHAR}
)
</foreach>
</insert>

批量更新:

mapper.java

int updateRoles(List<String> roleList);

mapper.xml

<update id="updateRoles" parameterType="java.util.List">
update role
set enabled = ‘0‘
where role_id in <foreach collection="list" item="roleIds" index="index" open="(" separator="," close=")">
#{roleIds}
</foreach>
</update>
 

原文地址：https://www.cnblogs.com/leeego-123/p/10715989.html