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ibatis中的iterate标签的用法(2)

发布时间: 2012-12-28 10:29:05 作者: rapoo

ibatis中的iterate标签的用法(二)
<!-- 删除相应的person记录 -->
< delete id =" deletePerson " parameterClass ="map" >

delete from 表名 where sex=#sex#
< iterate prepend ="and" property =" personList" open ="("
close =")" conjunction="or" >
age=$personList[].age$
</ iterate >

</ delete >
输出sql如下:
delete from 表名 where sex='man' and (age =11 or age=12)




当然你也可以这么写:
P erson.xml如下:


<!-- 删除相应的person记录 -->
< delete id =" deletePerson " parameterClass ="map" >

delete from 表名 where sex=#sex# and age in
< iterate property =" personList" open ="("
close =")" conjunction="," >
$personList[].age$
</ iterate >

</ delete >
输出sql如下:
delete from 表名 where sex='man' and age in (11 ,12)

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