<insert id="batchSave" >
		insert into table_name (`name`,age)	values
		<foreach collection="list" index="index" item="item" open="(" separator="," close=")">
			#{item.name, jdbcType=VARCHAR},
			#{item.age, jdbcType=INTEGER}
		</foreach>
	</insert>

<update id="updateNameBatch">
		update user
		<trim prefix="set" suffixOverrides=",">
			<trim prefix="name =case" suffix="end,">
				<foreach collection="list" item="i" index="index">
					when id=#{i.id} then #{i.name}
				</foreach>
			</trim>
			gmt_modify = now()
		</trim>
		where
		<foreach collection="list" item="i" index="index" separator="or">
			(id=#{i.id})
		</foreach>
	</update>