"finduserbycondition"
resultmap
="usermap"
parametertype
="user"
>
select * from user
>
test
="username != null"
>
and username = #
if>
test
="user*** != null"
>
and *** = #
if>
where
>
select
>
"finduserinids"
resultmap
="usermap"
parametertype
="queryvo"
>
refid
="defaultuser"
>
include
>
>
test
="ids != null and ids.size()>0"
>
collection
="ids"
open
="and id in ("
close
=")"
item
="uid"
separator
=","
>
#foreach
>
if>
where
>
select
>
每次新建乙個連線
從資料庫連線池中取連線
一級快取是 sqlsession 範圍的快取，當呼叫 sqlsession 的修改，新增，刪除，commit()，close()等方
法時，就會清空一級快取。
user user1 = userdao.
findbyid(41
);user user2 = userdao.
findbyid(41
);//兩次查詢為同乙個物件
user user3 = userdao.
findbyid(41
);sqlsession.
close()
;sqlsession = factory.
opensession()
;user user4 = userdao.
findbyid(41
);//兩次查詢不是同乙個物件
sqlsession.
clearcache()
;//也可以清空快取
sqlmapconfig.xml
>
name
="cacheenabled"
value
="true"
/>
settings
>
userdao.xml
/>
"findbyid"
parametertype
="int"
resulttype
="user"
usecache
="true"
>
select * from user where id = #
select
>
@before
//用於在測試方法執行之前執行
public
void
init()
throws exception
@after
//用於在測試方法執行之後執行
public
void
destroy()
throws exception
@test
public
void
testcache()
@select
("select * from user"
)@results
(id =
"usermap"
,value=
) list
findall()
;@select
("select * from user where id = #"
)@resultmap
(value =
) user finbyid
(integer id)
;
@getter
@setter
@tostring
public
class
account
implements
serializable
@select
("select * from account"
)@results
(id =
"accountmap"
,value =
) list
findall()
;
@select
("select * from user where id = #"
)@resultmap
(value =
) user finbyid
(integer id)
;
@getter
@setter
@tostring
public
class
user
implements
serializable
)list
findall()
;
@select
("select * from account where uid = #"
) list
finbyid
(integer userid)
;
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