Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 iJj!-a:z.
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 W?"l6s
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据这一功能,我设计了通用的抽象Bean基类和分页类支持,代码来 P(DEf(
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自于Quake Wang的javaeye-core包的相应类,然后又做了很多修改 ;Yv{)@'Bc
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分页支持类: `e fiX^
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java代码: !#~KSO}zW2
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package com.javaeye.common.util; :J_UXtx
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import java.util.List; zA}JVB
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publicclass PaginationSupport { d2V\T+=
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publicfinalstaticint PAGESIZE = 30; \ 4^zY'
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privateint pageSize = PAGESIZE; FPkk\[EU
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privateList items; S=lCzL;j"
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privateint totalCount; ZZZ`@pXm;
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privateint[] indexes = newint[0]; B9[vv;lzu
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privateint startIndex = 0; ^#C+l
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public PaginationSupport(List items, int |vm-(HY!
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totalCount){ OI*ltba?
setPageSize(PAGESIZE); Ly3!0P.<
setTotalCount(totalCount); d}tmZ*q
setItems(items); 4n@>gW
setStartIndex(0); uD?RL~M
} \At~94
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public PaginationSupport(List items, int $y,KDR7^
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totalCount, int startIndex){ #pgD-0_
setPageSize(PAGESIZE); .P7q)lj36h
setTotalCount(totalCount); '
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setItems(items); f3qR7%X?
setStartIndex(startIndex); Er|&4-9
}
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public PaginationSupport(List items, int I4+1P1z
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totalCount, int pageSize, int startIndex){ 8+dsTX`|S
setPageSize(pageSize); R+0gn/a[ G
setTotalCount(totalCount); P^=B6>e
setItems(items); fZr{x$]N0
setStartIndex(startIndex); a%BC{XX
} 3UW`Jyd`k
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publicList getItems(){ &=*1[ j\
return items; E2dS@!]V
} lhJY]tQt/
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publicvoid setItems(List items){ llR5qq=t
this.items = items; )m3emMO2
} Lg(G&ljE@k
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publicint getPageSize(){ ,mvFeo;@f
return pageSize; H)E,([
} g.Qn,l]X/p
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publicvoid setPageSize(int pageSize){ h lc!}{$%8
this.pageSize = pageSize; c^'bf_~-W
} "~EAt$
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publicint getTotalCount(){ !KJ X$?
return totalCount; S
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} -6uLww=w4
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publicvoid setTotalCount(int totalCount){ [.Md_
if(totalCount > 0){ m*HUT V
this.totalCount = totalCount; @
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int count = totalCount / ib
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pageSize; 42hG}Gt
if(totalCount % pageSize > 0) *y|w9rp
count++; c)N_"#&
indexes = newint[count]; ZVJ6 {DS/
for(int i = 0; i < count; i++){ "QS(4yw?jg
indexes = pageSize * 9}2/ko
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i; Gw-{`<CxE
} 35AH|U7b
}else{ tC$+;_=+F
this.totalCount = 0; j|o/>^ 'e
} ? eI)m
} n} !')r
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publicint[] getIndexes(){ dc~vQDNw[X
return indexes; K%BFR,)g
} )v+&l9D
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publicvoid setIndexes(int[] indexes){ ,K6ODtw.
this.indexes = indexes; ]Hi1^Y<
} {Fyw<0 [@
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publicint getStartIndex(){ \8a014
return startIndex; !=;Evf
} imwn)]L R
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publicvoid setStartIndex(int startIndex){ XAF]B,h=
if(totalCount <= 0) %jq
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this.startIndex = 0; xDekC~Zq
elseif(startIndex >= totalCount) Bqa_l|
this.startIndex = indexes @W(,|xES
jL5O{R[
x:
[indexes.length - 1]; _}']h^@Z
elseif(startIndex < 0) Gv 8Z
this.startIndex = 0; /i Xl]<
else{ 0L"uU3
this.startIndex = indexes yJqDB$0
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[startIndex / pageSize]; "FGgem%9
} _h=h43'3
} s:,fXg25J
GO][`zZJ]
publicint getNextIndex(){ XM?c*,=fu
int nextIndex = getStartIndex() + p((. (fx
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pageSize; E6G;fPd= E
if(nextIndex >= totalCount) M_75bU
return getStartIndex(); Y%]g,mG
else o0b\<}
return nextIndex; ?&1%&?cg9
} jl]p e7-
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publicint getPreviousIndex(){ 5y0LkuRR:
int previousIndex = getStartIndex() - #vBSg
[ CU8%%7
pageSize; I]m&h!
if(previousIndex < 0) 5=8_Le
return0; #&{)`+!"
else u6\W"LW
return previousIndex; =5%}CbUU)4
} s\3ZE11L
P8CIKoKCV
} <_bGV
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抽象业务类 d+eb![fi
java代码: 4HXNu, T'
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/** g@>y`AFnr
* Created on 2005-7-12 CFY4PuI"!
*/ a[lx&CHgI
package com.javaeye.common.business; iqXsDgkr
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import java.io.Serializable; \nV oBW(
import java.util.List; z5[Qh<M
5M3)7
import org.hibernate.Criteria; zfml^N
import org.hibernate.HibernateException; ?nR$>a`
import org.hibernate.Session; mA3yM#
import org.hibernate.criterion.DetachedCriteria; hJ Jo+NNN
import org.hibernate.criterion.Projections; FFF7f 5F
import $:D hK
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org.springframework.orm.hibernate3.HibernateCallback; h&{>4{
import u/?;J1z:
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org.springframework.orm.hibernate3.support.HibernateDaoS 3e^'mT
rf&nTDaWI
upport; 90$`AMR
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import com.javaeye.common.util.PaginationSupport; dFpP_U
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public abstract class AbstractManager extends FC8=
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HibernateDaoSupport { ?[O Sy.6
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privateboolean cacheQueries = false; QlxlT $o}
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privateString queryCacheRegion; gJZ9XLPC
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publicvoid setCacheQueries(boolean RveMz$Yy
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cacheQueries){ !r0 z3^*N
this.cacheQueries = cacheQueries; /lvH p
} UC9w T
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publicvoid setQueryCacheRegion(String VoUAFEcs
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queryCacheRegion){ #+P)X_i`
this.queryCacheRegion = ?DJ,YY9P
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queryCacheRegion; x "PMi[4
} &nF7CCF
C
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publicvoid save(finalObject entity){ d4-cZw}+
getHibernateTemplate().save(entity); ~E7=c3:"
} r+Y]S-o:
*W<g%j-a
publicvoid persist(finalObject entity){ tZY(r
{
getHibernateTemplate().save(entity); wsfn>w?!V
} 8c'E
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publicvoid update(finalObject entity){ Ibl==Irk
getHibernateTemplate().update(entity); '^M3g-C[Jg
} b*qC
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publicvoid delete(finalObject entity){ 8DNGqaH;dt
getHibernateTemplate().delete(entity); *,__\/U98
} ~ +z'pK~c
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publicObject load(finalClass entity, {mV,bg,}~
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finalSerializable id){ r`/tb^
return getHibernateTemplate().load Fop"m/
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(entity, id); l4Y}<j\;
} =zW.~(c{
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publicObject get(finalClass entity, =2[cpF]
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finalSerializable id){ [&FWR
return getHibernateTemplate().get M0% ):P?x
xpVYNS{c+|
(entity, id); $
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} ojd/%@+u+Y
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publicList findAll(finalClass entity){ 4E& 3{hnp
return getHibernateTemplate().find("from PDssEb7
H\<C@OkJS}
" + entity.getName()); nZM|8
} yf7p0;$?
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publicList findByNamedQuery(finalString ';!02=-@
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namedQuery){ GVp2|\-L
return getHibernateTemplate 8V3SZ17
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().findByNamedQuery(namedQuery); X"{s"Mc0G
} l4d2i;4BK
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publicList findByNamedQuery(finalString query, =jmn
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finalObject parameter){ wLC|mByq
return getHibernateTemplate A`Bg"k:D
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().findByNamedQuery(query, parameter); ,Tyh._sa
} ~Hs a6F&F
~z!U/QR2
publicList findByNamedQuery(finalString query, NLC}XL
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finalObject[] parameters){ >g6:{-b^a
return getHibernateTemplate @4b"0ne}h
.yF7{/
().findByNamedQuery(query, parameters); #.%;U' #O
} i5*sG^<$H
@hWt.qO3s
publicList find(finalString query){ {j
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return getHibernateTemplate().find B;':Eaa@
R
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(query); ,.fGZ4
} @$;"nVZ4v
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publicList find(finalString query, finalObject [ua{qJ9
]pr;ME<M{
parameter){ TP oP%Yj"
return getHibernateTemplate().find $3%EKi
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(query, parameter); Zcv1%hI
} 9[B*CD|
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public PaginationSupport findPageByCriteria >+fet ,
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(final DetachedCriteria detachedCriteria){ (Y!@,rKd
return findPageByCriteria a3037~X
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(detachedCriteria, PaginationSupport.PAGESIZE, 0); Pd\S{ Y~wk
} F\&R nDJ
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public PaginationSupport findPageByCriteria B}YB%P_CWs
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(final DetachedCriteria detachedCriteria, finalint _y),C
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startIndex){ K9gfS V>]
return findPageByCriteria #tdI;x3
(~N&ov
(detachedCriteria, PaginationSupport.PAGESIZE, Yt7R[|
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startIndex); <`a!%_LC
[
} Bi)1*
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public PaginationSupport findPageByCriteria hIC$4lR~
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(final DetachedCriteria detachedCriteria, finalint FU~ Ip
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pageSize, +^!&-g@(
finalint startIndex){ =x9zy]
return(PaginationSupport) e&E""ye
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getHibernateTemplate().execute(new HibernateCallback(){ &aaXw?/zr
publicObject doInHibernate ](@Tbm8
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(Session session)throws HibernateException { q3e%L
Criteria criteria = !,PG!Gnl
}^^X-_XT
detachedCriteria.getExecutableCriteria(session); 0S;H`w_S
int totalCount = INE8@}e
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((Integer) criteria.setProjection(Projections.rowCount ;+`t[ go
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()).uniqueResult()).intValue(); frk(2C8T
criteria.setProjection $+)SW{7
[F/>pL5U$
(null); gEMxK2MNXj
List items = {?17Zth
B3]q*ERAo
criteria.setFirstResult(startIndex).setMaxResults NB;8 e>8
noC]&4b
(pageSize).list(); E=3<F_3W
PaginationSupport ps = U`D/~KJ{Y
I8)x0)Lx
new PaginationSupport(items, totalCount, pageSize, (qnzz!s
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startIndex); lW1Al>dW<
return ps; =U!M,zw4
} \IbGNV`q
}, true); 6SIk?]u
} { ,qm=Xjq
n:,At]ky
public List findAllByCriteria(final Dx/BxqG6}_
(\>3FwFHW|
DetachedCriteria detachedCriteria){ (V)nHF*<>
return(List) getHibernateTemplate Jc"xH~,
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().execute(new HibernateCallback(){ kqYWa`eE
publicObject doInHibernate \L-o>O
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(Session session)throws HibernateException { 0
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Criteria criteria = (PE x<r1
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detachedCriteria.getExecutableCriteria(session); @-Tt<pl'L
return criteria.list(); 6Lr G+p`
} 1~Zmc1]
}, true); 'kf]l=i[n
} E4GtJ`{X
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public int getCountByCriteria(final o<`Mvw@Z
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'*
DetachedCriteria detachedCriteria){ L}pMjyM
Integer count = (Integer) K>hQls+
//n$#c_}u
getHibernateTemplate().execute(new HibernateCallback(){ 9q5jqFQ
publicObject doInHibernate X]d;x/2
)HQ':ZE$
(Session session)throws HibernateException { L\)ssOuh
Criteria criteria = )-%3;e<w
9&}$C]`
detachedCriteria.getExecutableCriteria(session); 9AO`Zk{/Ez
return ^^UT(nj
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criteria.setProjection(Projections.rowCount S<H2e{~
^pruQp1X
()).uniqueResult(); jT>G8}h
} #$2{l,>
}, true); n]^zIe^6
return count.intValue(); ul$k xc=N
}
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} +e}v)N
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用户在web层构造查询条件detachedCriteria,和可选的 >W Tn4SW@
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 jYDpJ##Zb
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PaginationSupport的实例ps。 @lpo$lN0R
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ps.getItems()得到已分页好的结果集 {o1vv+i
ps.getIndexes()得到分页索引的数组 @oE^(
ps.getTotalCount()得到总结果数 D1hy:KkAv]
ps.getStartIndex()当前分页索引 E/[>#%@i
ps.getNextIndex()下一页索引 nSY3=Edx=
ps.getPreviousIndex()上一页索引 }z%fQbw
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 |H-%F?<{
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,尤其是上面的示例代码,让我着实觉得该对我原来的分页查询做 1eHU!{<fqm
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一下代码重构了。 o%3i(H
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我把原本我的做法也提供出来供大家讨论吧: 'Ur1I"
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首先,为了实现分页查询,我封装了一个Page类: #+CH0Z
java代码: sgYPR
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/*Created on 2005-4-14*/ `1Ui
package org.flyware.util.page; ;] v{3m
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/** Wo)$*?
* @author Joa Qa`+-Wu8
* U{1%ldOJ%
*/ xB5qX7*.
publicclass Page { p>#sR4d>
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/** imply if the page has previous page */ p^.qwP\P
privateboolean hasPrePage; we:P_\6
L%S(z)xX3
/** imply if the page has next page */ -g n!8G1
privateboolean hasNextPage; -S\gDB bb
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/** the number of every page */ ,9,cN-/a
privateint everyPage; P^(uS'j)+
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/** the total page number */ _oz1'}=
privateint totalPage; d1jg3{pwA
Z
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/** the number of current page */ ":v^Y
9
privateint currentPage; GJs{t1
E
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/** the begin index of the records by the current DpCe_Vb%M
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query */ Z.}Z2K
privateint beginIndex; "+XF'ZO
kz0pX-@b
#,[z}fq
/** The default constructor */ m@Hg:DY
public Page(){ O0l1AX"
Kz~E"?
} C6"{-{H
d9iVuw0u<
/** construct the page by everyPage [n]C
* @param everyPage ]hMs:$}
* */ g3|k-
public Page(int everyPage){ 8Y"R@'~
this.everyPage = everyPage; E]w2
{%
} = }ELu@\V[
@[LM8 @:
/** The whole constructor */ zK_Q^M`
public Page(boolean hasPrePage, boolean hasNextPage, LbkQuq/d
f_|pl^
Z-j?N{3&
int everyPage, int totalPage, fQU5' wGp
int currentPage, int beginIndex){ cb=ixn
this.hasPrePage = hasPrePage; fJ GwT
this.hasNextPage = hasNextPage; q#6|/R*
this.everyPage = everyPage; t/lQSUip
this.totalPage = totalPage; -{2Vz[ [
this.currentPage = currentPage; XqLR2d
this.beginIndex = beginIndex; ,UYe OM2Ao
} h[bC#(
3mQ3mV:
/** '7<^x>D|
* @return :jAsm[
* Returns the beginIndex. :FUxe kz
*/ r}:Dg
fn
publicint getBeginIndex(){ %0p9\I
return beginIndex; `*o ko[\3
} (fYYcpd,k
q*K[?
/** xsIfR3Ze9
* @param beginIndex J``5;%TJp
* The beginIndex to set. eN'b"_D
*/ 6W<Ig;
publicvoid setBeginIndex(int beginIndex){ j/8q
this.beginIndex = beginIndex; H 'IxB[
} !5qV}5
w7E#mdW
/** U#x`u|L&6
* @return ~OMo$qt`lP
* Returns the currentPage. 2Akh/pb
*/ _Tf
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publicint getCurrentPage(){ B?db`/G9
return currentPage; = R n
} RDU 'l^
HBNX a
/** |hS^eK_
* @param currentPage _1jbNQa
* The currentPage to set. aI>F8R?
*/ !gL1
publicvoid setCurrentPage(int currentPage){ G?^w
<
this.currentPage = currentPage;
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} \j<aFOT(
as73/J6
/** ujn7DBE"
* @return 6P
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* Returns the everyPage. a$EudD#+
*/ y: ]
publicint getEveryPage(){ |.b&\
return everyPage; )8taMC:H^
} `46|VQAx
S\ K[l/
/** _}j6Pw'
* @param everyPage g*-}9~
* The everyPage to set. L'$({
*/ -
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publicvoid setEveryPage(int everyPage){ ac,<+y7A
this.everyPage = everyPage; j*FpQiBoT
} i!G<sfL
hXD`OlX
/** xouBBb=
* @return Ld'3uM/
* Returns the hasNextPage. t R.>d
*/ "u'dd3!
publicboolean getHasNextPage(){ L*P*^I^1
return hasNextPage; )+"(7U<
} 1]W8A.ZS
f7a"}.D$
/**
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* @param hasNextPage ^U^K\rq 1u
* The hasNextPage to set. 3*F|`js"
*/ K<k\A@rv8H
publicvoid setHasNextPage(boolean hasNextPage){ ~iIFe+6
this.hasNextPage = hasNextPage; 9%dO"t$-q
} -dw/wHf"
^Ge|tBMoKE
/** Sq5}v]k@&
* @return 29W`L2L
* Returns the hasPrePage. *CV I@:Q9
*/ c],Zw
publicboolean getHasPrePage(){ -aDBdZ;y
return hasPrePage; a~k*Gd(
} l xP!WP
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_t\
/** u$
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* @param hasPrePage :4>LtfA
* The hasPrePage to set. @sRb1+nn
*/ ?i\$U'2*z3
publicvoid setHasPrePage(boolean hasPrePage){ t4p-pH'9b
this.hasPrePage = hasPrePage; "/x/]Qx2
} Of
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m:g%5'qDZ
/** zR%)@wh
* @return Returns the totalPage. 9S?b &]
* e63io0g>
*/ q#0yu"<
publicint getTotalPage(){ pW&8 =Ew
return totalPage; 0a+U >S#
} B~3qEdoK5`
aSeh?2n8
/** HmV JkkksJ
* @param totalPage #b1/2=PA
* The totalPage to set. ai)?RF
*/ lC^?Jk[N
publicvoid setTotalPage(int totalPage){ `J}FSUn\
this.totalPage = totalPage; `
kZ"5}li
} gT|&tTS1@
^izf&W.j!
} !/"y
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8WwLKZ}
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上面的这个Page类对象只是一个完整的Page描述,接下来我写了一 7':<I-Fm
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个PageUtil,负责对Page对象进行构造: %%Wn: c>
java代码: 1k)`C<l
O.?q8T)n82
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/*Created on 2005-4-14*/ L
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package org.flyware.util.page; P1ynCe
w.Kp[
import org.apache.commons.logging.Log; w'Jo).OW~
import org.apache.commons.logging.LogFactory; 6oGF6C
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/** rgu7g
* @author Joa M,eq-MEK
* s`L>mRw`
*/ c`V~?]I>
publicclass PageUtil { M'xG.'
Lw{'mtm
privatestaticfinal Log logger = LogFactory.getLog HTP~5J
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(PageUtil.class); ,)}-mu
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/** 3]/Y=A
* Use the origin page to create a new page `{\10j*B
* @param page i'0ol^~y6
* @param totalRecords -\~x^5K
* @return 28o!>*
*/ f>+:UGmP
publicstatic Page createPage(Page page, int uX,ln(9I*H
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totalRecords){ "cX*GTNi8
return createPage(page.getEveryPage(), 5,?Au
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page.getCurrentPage(), totalRecords); QLyBP!X-
} r/6h}
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/** O0>^?dsL
* the basic page utils not including exception _ 6'HBE
2a:JtJLl
handler CFx$r_!~
* @param everyPage 4K$d%
* @param currentPage w24@KaKFo
* @param totalRecords lmr:PX
* @return page (~n0,$
*/ iLG~_Ob:
publicstatic Page createPage(int everyPage, int 0t}&32lL&
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currentPage, int totalRecords){ (B;rjpK
everyPage = getEveryPage(everyPage); V|bN<BYJ
currentPage = getCurrentPage(currentPage); SN|:{Am
int beginIndex = getBeginIndex(everyPage, u:&Lf
G |vG5$Nf
currentPage); 97(*-e= e
int totalPage = getTotalPage(everyPage,
9p<ZSh
T=->~@5
totalRecords); cXvq=Rb
boolean hasNextPage = hasNextPage(currentPage, $v+t~b
9!oNyqQ
totalPage); qQUCK
boolean hasPrePage = hasPrePage(currentPage); 38eeRo
+t PqU6
returnnew Page(hasPrePage, hasNextPage, [0mg\n?
everyPage, totalPage, Mi_/
^
currentPage, V$fvf#T
m|+g_JZ
beginIndex); Sj<WiQ%<
} gEU|Bx/!=
sYb( g'W*'
privatestaticint getEveryPage(int everyPage){ ;-X5#
return everyPage == 0 ? 10 : everyPage; (lVHKg&U[
} m339Y2%=
-V)DKf"f
privatestaticint getCurrentPage(int currentPage){ -:o4|&g<*
return currentPage == 0 ? 1 : currentPage; P ||:?3IH
} 2hI|]p
];1Mg
privatestaticint getBeginIndex(int everyPage, int m`Ver:{
8z
h{?0
currentPage){ rik0F
return(currentPage - 1) * everyPage; $Y5m"wySZ
} 2bk~6Osp
pT` oC&
privatestaticint getTotalPage(int everyPage, int O
o+pi$W
UMbM3m=\
totalRecords){ L) ]|\|
int totalPage = 0; mxJ& IV
qE&R.I!o
if(totalRecords % everyPage == 0) 4R/cN'-
totalPage = totalRecords / everyPage; "?UBW5nM#
else &z(E-w/S
totalPage = totalRecords / everyPage + 1 ; -r5JP[0kP
B#T4m]E/
return totalPage; G&HCOR!h
} @H^Yf
3,<$z1Jm
privatestaticboolean hasPrePage(int currentPage){ TxD,A0
return currentPage == 1 ? false : true; 54%@q[-
} 'dstAlt?
#r}O =izi
privatestaticboolean hasNextPage(int currentPage, _3YuPMaN
r{T}pc>^
int totalPage){ kgV_*0^
return currentPage == totalPage || totalPage == yIL6Sb
MM*B.y~TxZ
0 ? false : true; ROyG+dUy
} As;@T$G
5QR=$?K
U2u\Q1
} ^"e|)4_5\
Is $I;`
dC7YVs_,#
$-}a<UFE;
.m]"lH*
上面的这两个对象与具体的业务逻辑无关,可以独立和抽象。 %&RF;qa2xu
<B?@,S>
面对一个具体的业务逻辑:分页查询出User,每页10个结果。具体 -<[MM2Y
j<-#a^jb
做法如下: oXef<- :
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 Qt@_C*,P
+y$%S4>0tp
的信息,和一个结果集List: ;p!|E3o.
java代码: 0'IV"eH2
SCCBTpmf2B
a9ko3L
/*Created on 2005-6-13*/ ")t
^!x(v
package com.adt.bo; NYoh6AR
Cz%tk}2
import java.util.List; I0
78[3b
&?R2zfcM
import org.flyware.util.page.Page; .S l{m[nV8
`5V=U9zdE
/** McRAy%{z
* @author Joa c&{1Z&Y
*/ wE.CZ%f
publicclass Result { ?+]prbt)
3~I|KF7x
private Page page; M?iU$qI
BB?vc(d
private List content; rff=ud>Jf
\pXs&}%1,F
/** ETw7/S${
* The default constructor s[
ze8:
*/ i|]Kw9
public Result(){ Ua>lf8w<
super(); (aAv7kB&
} PgeC\#;9
-K 7jigac
/** llCBqWn
* The constructor using fields ~$GRgOn
* o=t@83Fh5
* @param page \>T+\?M
* @param content `OL@@`'^{S
*/ `UC
public Result(Page page, List content){ s#%$aQ|Fp
this.page = page; i'w8Li
this.content = content; RObo4
} I~'%
7,MDFO{n
/** [1-1^JY
* @return Returns the content. w1aev
*/ F;4*,Ap
publicList getContent(){ {t.5cX"[
return content; k`l={f8C
} 9{D u)k
ZA u=m
/** O%g
Q
* @return Returns the page. a'T8U1
*/ `&\jOve
public Page getPage(){ 7#~v<M6
return page; 0rt@4"~~w
} 7$;#-l
y$
L@!r/s
/** :~I^ni
* @param content {X85
* The content to set. tx,_0[hZi
*/ 'qL:7
public void setContent(List content){ /$Qs1*
this.content = content; ))/NGa
} (=2-*((&(A
W'|NYw_B
/** DzfgPY_Py
* @param page YXJr eM5
* The page to set. kPhdfF*Q
*/ <Km
^>9
publicvoid setPage(Page page){ Ic 5TtN~/>
this.page = page; 7L%JCH#F
} \kDQ[4mGq
} y:Wq;xEiDo
PykVXZ7j;
;6 ?a8t@
@q98ac*{
9nM_LV
2. 编写业务逻辑接口,并实现它(UserManager, /|<Pn!}J
,Wv@D"4?
UserManagerImpl) |/qwR~
java代码: ?z
hw0
`fnU p-
{\1:2UKkr
/*Created on 2005-7-15*/ 1^f7
package com.adt.service; `"(FWK=8)"
', WnT:
import net.sf.hibernate.HibernateException; "QKCZ8_C
og`rsl
import org.flyware.util.page.Page; &$$o=Y g,
GI se|[p
import com.adt.bo.Result; AiP#wK;
j8cIpbp8x
/** Y3_C':r
* @author Joa %Z8'h\|
*/ w#XD4kwQG
publicinterface UserManager { "{;E+-/
aL
wtl3Ex,DO
public Result listUser(Page page)throws =JkPE2mU
diz=|g=w
HibernateException; Wbq0K6X
5*O*p `Ba
} NmuzAZr
5@lVuMIYT
g<