需求：乙個文章有人，有機構，有型別三種，查詢乙個文章額外附加三種查詢，一定是巢狀查詢，這樣就是用collection標籤，但是collection標籤只能額外查詢乙個sql，那麼怎麼查詢多個呢？當然是多個collection標籤了
"articleanduserandtypeanddeptmap" type=
"cn.hcnet2006.blog.hcnetwebsite.bean.sysarticle" extends=
"baseresultmap"
>
"userlist"
fetchtype=
"lazy"
column=
"" select=
/>
"typelist"
fetchtype=
"lazy"
column=
"" select=
/>
"deptlist"
column=
"id"
fetchtype=
"lazy"
select=
/>
<
/resultmap>
"selectall" parametertype=
"cn.hcnet2006.blog.hcnetwebsite.bean.sysarticle" resultmap=
"baseresultmap"
>
select sa.id, sa.article_name, sa.article_img_url, sa.article_intro_url, sa.article_content_url, sa.create_by, sa.create_time, sa.last_update_by, sa.last_update_time, sa.del_flag
from sys_article sa
<
if test=
" deptid != null and deptid != ''"
>
inner join sys_dept_article sda
on sda.dept_id = #
and sa.id = sda.article_id
>
<
if test=
" typeid != null and typeid != ''"
>
inner join sys_type_article sta
on sta.type_id = #
and sa.id = sta.article_id
>
<
if test=
"userid != null and userid != ''"
>
inner join sys_user_article sua
on sua.user_id = #
and sua.article_id = sa.id
>
where 1=1
<
if test=
"id != null and id != ''"
>
and sa.id = #
>
<
if test=
"articlename != null and articlename != ''"
>
and sa.article_name like concat
('%',#,
'%')
>
<
if test=
"delflag != null"
>
and sa.del_flag = #
>
<
/select>
],
"typelist":[
],"userlist":[
,]}}
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