Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 ".U^ifF
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 5`-UMz<]
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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 E(^0B(JF
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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 $t/rOo9cV
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分页支持类: 9$1)k;ChP/
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java代码: }|wv]U~
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package com.javaeye.common.util; .Zmp ,
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import java.util.List; K'5'}Lb5k
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publicclass PaginationSupport { NHQF^2 \\
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publicfinalstaticint PAGESIZE = 30; mD58T2Z
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privateint pageSize = PAGESIZE; uJU*")\V
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privateList items; e Y$qV}
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privateint totalCount; O(Jj|Z
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privateint[] indexes = newint[0]; 3ec`Wa
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privateint startIndex = 0; s5&@Cxzl
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public PaginationSupport(List items, int pB:$lS
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totalCount){ 1bnBji
setPageSize(PAGESIZE);
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setTotalCount(totalCount); S>Yj@L
setItems(items); *fMpZ+;[m
setStartIndex(0); hqvE!Of
} u{<"NR h
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public PaginationSupport(List items, int u+m,b76
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totalCount, int startIndex){ o{qr!*_3
setPageSize(PAGESIZE); K5>p89mZ
setTotalCount(totalCount); g=L]S-e
setItems(items); {Ro2ouQ!V
setStartIndex(startIndex); D/y bFk
} {7hLsK[])
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public PaginationSupport(List items, int <W8t|jt
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totalCount, int pageSize, int startIndex){ }|OaL*|u
setPageSize(pageSize); S0,R_d')
setTotalCount(totalCount); tC?=E#3V
setItems(items); /1=4"|q>h'
setStartIndex(startIndex); yF}OfK?0f
} f5*k7fg
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publicList getItems(){ JCx
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return items; +d}E&=p_
} \*hrW(
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publicvoid setItems(List items){ h0--B]f@
this.items = items; e~%
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} +Mewo
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publicint getPageSize(){ {'sY|lou
return pageSize; 9_s6l
} (
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publicvoid setPageSize(int pageSize){ g6@Fp7T
this.pageSize = pageSize; EF7+ *Q9
} q\Q{sv_
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publicint getTotalCount(){ 3`d}~v{
return totalCount; ?&G`{Ey
} 4'j
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publicvoid setTotalCount(int totalCount){ >^q7c8]~g
if(totalCount > 0){ kIw`P[
this.totalCount = totalCount; w\54j)rb
int count = totalCount / h5%<+D<
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pageSize; >EL)X
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if(totalCount % pageSize > 0) v(*C%.M)
count++; 7{e{9QbJ4
indexes = newint[count]; `p;eIt
for(int i = 0; i < count; i++){ 9I1tN
indexes = pageSize * xq-17HKs
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i; /,!qFt
} =U8a ?0
}else{ /V3=KY`_J
this.totalCount = 0; 'O5'i\uz
} +iRq8aS_
} kKD`rfyG\
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publicint[] getIndexes(){ X37 L\e[c
return indexes; o7mZzzP
} u` oq(?|
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publicvoid setIndexes(int[] indexes){ W_m"ySQs
this.indexes = indexes; 0|R# Tb;Y
} wi9DhVvc 0
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publicint getStartIndex(){ ??n*2s@t
return startIndex; /R>nr"
} 2H.654
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publicvoid setStartIndex(int startIndex){ pO8ePc@=D
if(totalCount <= 0) [((;+B
this.startIndex = 0; +C1QY'>I
elseif(startIndex >= totalCount) >^Se'SE]
this.startIndex = indexes YF+n
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[indexes.length - 1]; ix#epuN
elseif(startIndex < 0) VmzbZTup
this.startIndex = 0; Vd=yr'?
else{ *3T|M@Y
this.startIndex = indexes mhW-J6u*
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[startIndex / pageSize]; w8g,a]p
} p7:{^
} `R"I;qV
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publicint getNextIndex(){ +7t6k7]c
int nextIndex = getStartIndex() + %,hV[[ @.
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pageSize; [:^-m8QC
if(nextIndex >= totalCount) K}=|.sE9
return getStartIndex(); R\XKMF3mN3
else rQ=,y>-*
return nextIndex; :VF<9@t
} w[6J
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publicint getPreviousIndex(){ ~4?9a(>3
int previousIndex = getStartIndex() - *xp\4;B
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pageSize; rp5(pV7*
if(previousIndex < 0) 3s"0SLS4
return0; ORu2V#Z[
else tDr#H!2
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return previousIndex; [!%![E
} p$ bnK]
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} o[E_Ge}g8
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抽象业务类 !Ci~!)$z6
java代码: <L&m4O#|
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/** V^Hu3aUx8
* Created on 2005-7-12 7} jWBK
*/ &sF^Fgg{
package com.javaeye.common.business; r[?1
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import java.io.Serializable; D/h/Y) Y
import java.util.List; h5yzwj:C?
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import org.hibernate.Criteria; Py{<bd
import org.hibernate.HibernateException; JJRK7\~$
import org.hibernate.Session; N?X~ w <
import org.hibernate.criterion.DetachedCriteria; LL$_zK{
import org.hibernate.criterion.Projections; <w\:<5e '
import fu$R7
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org.springframework.orm.hibernate3.HibernateCallback; ;\MW$/[JCy
import wW>)(&!F
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org.springframework.orm.hibernate3.support.HibernateDaoS 'H7x L
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upport; UJs$q\#RO
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import com.javaeye.common.util.PaginationSupport; <LRey%{q
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public abstract class AbstractManager extends aTBR|US
@*
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HibernateDaoSupport { FYS/##r
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privateboolean cacheQueries = false; X\}Y
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privateString queryCacheRegion; R/`q/0T.
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publicvoid setCacheQueries(boolean OIl#DV.
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cacheQueries){ . @Ut?G
this.cacheQueries = cacheQueries; hXGwP4
} 'Peni1_
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publicvoid setQueryCacheRegion(String _Jv
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queryCacheRegion){ c%*($)#
this.queryCacheRegion = P,=+W(s9}
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queryCacheRegion; bxK(9.
} )bx_;9Y{
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publicvoid save(finalObject entity){ 6WoAs)ZF
getHibernateTemplate().save(entity); L !4t[hhe=
} `pd&se'p
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publicvoid persist(finalObject entity){ Q
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getHibernateTemplate().save(entity); zY+Fl~$S
} P6,7]6bp
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publicvoid update(finalObject entity){ [Pe#kzLX
getHibernateTemplate().update(entity); )EyI0R] 5
} fri0XxF
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publicvoid delete(finalObject entity){ 8vk..!7n}
getHibernateTemplate().delete(entity); #GaxZ
} 63?)K s
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publicObject load(finalClass entity, $N2SfyX7
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finalSerializable id){ U=sh[W
return getHibernateTemplate().load clI*7j.4E#
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(entity, id); pS 4&w8s
} (yo;NKq,@
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publicObject get(finalClass entity, ]<DNo&fw
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finalSerializable id){ m\/(w_/?
return getHibernateTemplate().get acd:r%y
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(entity, id); /\mKY%kyh
} Q-rL$%~='
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publicList findAll(finalClass entity){ 7:=5"ScV
return getHibernateTemplate().find("from G)>W'yxQ
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" + entity.getName()); KRsAv^']
} "%8A:^1
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publicList findByNamedQuery(finalString Y^"4?96
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namedQuery){ vjViX<#(V
return getHibernateTemplate YC_3n5F%
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().findByNamedQuery(namedQuery); F)$K
} [AEBF2OIv
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publicList findByNamedQuery(finalString query, |P6EO22p
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finalObject parameter){ M/V(5IoP(
return getHibernateTemplate iZ[tHw||
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().findByNamedQuery(query, parameter); SP
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} xFp<7p
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publicList findByNamedQuery(finalString query,
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finalObject[] parameters){ FYPz 4K
return getHibernateTemplate }F`beoMAkM
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().findByNamedQuery(query, parameters); X=qS"O 1
} >3;^l/2c
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publicList find(finalString query){ TW`mxj_J2
return getHibernateTemplate().find b5ie <s
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(query); ){Z
} ((3t:
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publicList find(finalString query, finalObject %u]6KrG18b
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parameter){ K, (65>86;
return getHibernateTemplate().find cV$lobqO
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(query, parameter); q
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} zi!#\s^
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public PaginationSupport findPageByCriteria <GW R7rUH
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(final DetachedCriteria detachedCriteria){ gn5% F5W
return findPageByCriteria +BB0wY
, p0KLU\-
(detachedCriteria, PaginationSupport.PAGESIZE, 0); 7u%a/ <
} $^vP<
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public PaginationSupport findPageByCriteria k8&FDz
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(final DetachedCriteria detachedCriteria, finalint r=csi
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startIndex){ N~g%wf@w
return findPageByCriteria iPU% /_>
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(detachedCriteria, PaginationSupport.PAGESIZE, QFzFL-H~N
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startIndex); xURw,
} agY5Dg7
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public PaginationSupport findPageByCriteria gB+
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(final DetachedCriteria detachedCriteria, finalint aY j%w
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pageSize, (UzPkl kZ
finalint startIndex){ TSXTc'
return(PaginationSupport) ,Oi^ySn
@^wpAQfd4
getHibernateTemplate().execute(new HibernateCallback(){ $I(}r3r
publicObject doInHibernate t&f" jPu>
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]
(Session session)throws HibernateException { FQ## 397
Criteria criteria = HXP;0B%4
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detachedCriteria.getExecutableCriteria(session); hNVMz`r
int totalCount = QT_^M1%
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((Integer) criteria.setProjection(Projections.rowCount [|z'"Gk{
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()).uniqueResult()).intValue(); AY@k-4
criteria.setProjection ~y@& }
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(null); ]Da4.s*mW
List items = t[ q3{-
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criteria.setFirstResult(startIndex).setMaxResults _Ff".t<"
uH]
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(pageSize).list(); 9/Wn!Ld
PaginationSupport ps = r"[L0Cbb
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new PaginationSupport(items, totalCount, pageSize, 'v+96b/;
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startIndex); 6,zDBax
return ps; ?M]u$Te/.
} g6`.qyVfz'
}, true); hvL6zCi
} @QX4 \
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public List findAllByCriteria(final r.Lx%LZ\^
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DetachedCriteria detachedCriteria){ gvK"*aIj
return(List) getHibernateTemplate X)y*#U
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().execute(new HibernateCallback(){ P1e5uJkd
publicObject doInHibernate W -3w7^
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(Session session)throws HibernateException { Yr:>icz|
Criteria criteria = hOV_Oqe4?
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detachedCriteria.getExecutableCriteria(session); s?HsUD$b
return criteria.list(); |})rt5|f1!
} %"{?[!C ?
}, true); KM E XT$p
} zcZ^s v>
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public int getCountByCriteria(final % ghJ*iHR
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DetachedCriteria detachedCriteria){ 40rZ~!}
Integer count = (Integer) p+!f(H
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getHibernateTemplate().execute(new HibernateCallback(){ %OTQRe:
publicObject doInHibernate v)TUg0U=,
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(Session session)throws HibernateException { "ngSilH?D
Criteria criteria = r';Hxa '
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detachedCriteria.getExecutableCriteria(session); #V,LNX)
return L,tZh0
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criteria.setProjection(Projections.rowCount 3{I=.mUUm
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()).uniqueResult(); 5^bh.uF
} /abmjV0
}, true); ~D$#>'C#
return count.intValue(); ;B,nzx(L
} 8|fLe\"
} Xq[:GUnt
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用户在web层构造查询条件detachedCriteria,和可选的 >aNbp
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 `M towXj
$K5ni {M;
PaginationSupport的实例ps。 : Bdi pc
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ps.getItems()得到已分页好的结果集 %g2/o^c*
ps.getIndexes()得到分页索引的数组 N[- %0
ps.getTotalCount()得到总结果数 $`-SVC
ps.getStartIndex()当前分页索引 k^L#,:\&V
ps.getNextIndex()下一页索引 z36brv<_'p
ps.getPreviousIndex()上一页索引 0(Yh~{
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 C}dKbs^g|
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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 [u!p-
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一下代码重构了。 9b"}CEw
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我把原本我的做法也提供出来供大家讨论吧: 48*Oh2BA
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首先,为了实现分页查询,我封装了一个Page类: `2
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java代码: yBXkN&1=%;
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/*Created on 2005-4-14*/ *o:BoP=S
package org.flyware.util.page; AaCnTRG
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/** 8.q13t!D
* @author Joa bn<I#ZH2
* t(uB66(_F
*/ \S|VkPv
publicclass Page { )zk?yY6
S?,KgMVM
/** imply if the page has previous page */ HlOAo:8'
privateboolean hasPrePage; Q+y-*1
EA%#/n
/** imply if the page has next page */ Sh~ 8jEk
privateboolean hasNextPage; 9}'l=b:Jms
(F4d Fh
/** the number of every page */ j:de}!wc
privateint everyPage; z$8e6*
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/** the total page number */ b3y,4ke"
privateint totalPage; ]`CKQ>
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/** the number of current page */ `0n 7Cyed
privateint currentPage; ?=|)n%
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/** the begin index of the records by the current (Ay4B*|!
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query */ =5s~$C
privateint beginIndex; ')yF0
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/** The default constructor */ r,Y/4(.c7U
public Page(){ u}@%70A
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} [w#x5Xsn
]>S$R&a
/** construct the page by everyPage S*DBY~pZy
* @param everyPage {ZBb.$}RC
* */ B#Oc8`1Y
public Page(int everyPage){ rTH[?mkf4
this.everyPage = everyPage; NNREt:+kr
} Jz:W-o
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/** The whole constructor */ H?/cG_^y0
public Page(boolean hasPrePage, boolean hasNextPage, (>Q9jNW
E6wST@r
"`1of8$X7
int everyPage, int totalPage, (1r>50Ge
int currentPage, int beginIndex){ 48"Y-TV
this.hasPrePage = hasPrePage; NId~|&\
this.hasNextPage = hasNextPage; 3K'o&>}L
this.everyPage = everyPage; hz~CW-47
this.totalPage = totalPage; nD?M;XN
this.currentPage = currentPage; 2zr WR%B
this.beginIndex = beginIndex; h+'eFAZ
} efAahH
oe_[h]Hgl
/** 2"{]A;@
* @return :Ro"
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* Returns the beginIndex. GzZ|T7fm
*/ ^>R| R1&
publicint getBeginIndex(){ $P}]|/Yb
return beginIndex; yOCcp+`T}
} a518N*]j
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/** Z_4H2HseL
* @param beginIndex T[$hYe8%^
* The beginIndex to set. DSG +TA"
*/ 6Bq2?;5
publicvoid setBeginIndex(int beginIndex){ +q,n}@y=
this.beginIndex = beginIndex; [Jh))DIx
} n~>CE"q
[@?.}!
/** ]B.,7
* @return MUt^mu$86
* Returns the currentPage. `q{'_\gVt(
*/ cS ;=_%~
publicint getCurrentPage(){ {4jSj0W
return currentPage; E?5B>Jer#
} PNxO\Rc
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/** VS@W.0/
* @param currentPage bFdg'_
* The currentPage to set. &l}xBQAL
*/ v&/-&(+
publicvoid setCurrentPage(int currentPage){ B46H@]d#7K
this.currentPage = currentPage; >U
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} \7w85$
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/** 27i<6PAC[A
* @return H.G^!0j;
* Returns the everyPage. 52R.L9Ai
*/ l{SPV8[i
publicint getEveryPage(){ k)t8J \
return everyPage; ,7nb;$]
} -#z'A
#UnO~IE.m$
/** #:5g`Ch4,
* @param everyPage [B;Ek\ 5W
* The everyPage to set. RpXG gw
*/ ^9~%=k=
publicvoid setEveryPage(int everyPage){ cx%9UK*c
this.everyPage = everyPage; *1]k&#s
} %iFIY=W
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/** PsT v\!
* @return HSFf&|qqx
* Returns the hasNextPage. oa|*-nw
*/ s|`)'
publicboolean getHasNextPage(){ (w
return hasNextPage; *wyLX9{:
} B{7/A[$%C
tF1%=&ss
/** m&c(N
* @param hasNextPage jmVy4* P_
* The hasNextPage to set. W%QtJB1)
*/ B>21A9&
publicvoid setHasNextPage(boolean hasNextPage){ ;XuEMq,Di
this.hasNextPage = hasNextPage; l+qtA~V&2
} n
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/** m*,[1oeG&
* @return }r<^]Q*&p
* Returns the hasPrePage. [m&ZAq
*/ UHHKI)(
publicboolean getHasPrePage(){ .Sw'Bo!Ee
return hasPrePage; OEi9
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} n:] 1^wX#
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/** K<(sqH
* @param hasPrePage ?saVk7Z[|5
* The hasPrePage to set. o:*iT=l
*/ [p<[83' ]
publicvoid setHasPrePage(boolean hasPrePage){ JPKZU<:+V
this.hasPrePage = hasPrePage; "b7C0NE
} ?"u-@E[m
rJj~cPwL"
/** (j"MsCwE
* @return Returns the totalPage. TnAX;+u
* 3&:fS|L~c
*/ S`.-D+.68
publicint getTotalPage(){ RjHpC7b*%
return totalPage; i|'t!3I^m
} brot&S2P><
l))IO`s=_
/** M lwQ_5O
* @param totalPage 8
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* The totalPage to set. kJFHUR
*/ CgE5;O
publicvoid setTotalPage(int totalPage){ X|G+N(`|(
this.totalPage = totalPage; PCjY,O
} F
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} UlytxWkUX
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上面的这个Page类对象只是一个完整的Page描述,接下来我写了一 _Oq\YQb v
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个PageUtil,负责对Page对象进行构造: K(S/D(\
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java代码: #w6CL
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/*Created on 2005-4-14*/ [%kucG C7
package org.flyware.util.page; W9"I++~f
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import org.apache.commons.logging.Log; SGm?"esEt
import org.apache.commons.logging.LogFactory; oJ:J'$W(
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/** RkzBn
* @author Joa :_*Q
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* 566Qikw2
*/ AAcbY;
publicclass PageUtil { RSC-+c6 1
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privatestaticfinal Log logger = LogFactory.getLog Lw`\J|%p
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(PageUtil.class);
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/** @AOiZOH
* Use the origin page to create a new page lDeWs%n
* @param page X[<9+Q-&
* @param totalRecords r;z A `
* @return {W]jVh p
*/ #ZA
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publicstatic Page createPage(Page page, int P>|2~YxjU
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totalRecords){ c+=&5=i[3
return createPage(page.getEveryPage(), tS$Ne7yk e
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page.getCurrentPage(), totalRecords); /
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} Bh?;\D'YC
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/** }kpkHq"`f
* the basic page utils not including exception (agdgy:#
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handler Tx*m
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* @param everyPage q<VhP2R
* @param currentPage 9\F^\h{
* @param totalRecords '&d4x c
* @return page '' 6
*/ PO&`rr
publicstatic Page createPage(int everyPage, int V~;YV]1Y
:R)IaJ6)
currentPage, int totalRecords){ Qxwe,:
everyPage = getEveryPage(everyPage); $dR%8@.H
currentPage = getCurrentPage(currentPage); Fr~xN!
int beginIndex = getBeginIndex(everyPage, < -Nj
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currentPage); VI?[8@*Z
int totalPage = getTotalPage(everyPage, ze-iDd_y
Z(L>~+%
totalRecords); ]9' \<uR
boolean hasNextPage = hasNextPage(currentPage, Ev%\YI!MaY
6XP>p$-
totalPage); pPE4~g 05h
boolean hasPrePage = hasPrePage(currentPage); Z]tz<YSkG
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returnnew Page(hasPrePage, hasNextPage, ?CIa)dhu
everyPage, totalPage, WCH>9Z>cj
currentPage, >2a~hW|,
/W9=7&R0
beginIndex); J8jbtL O'
} 0PN{
+<?.
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privatestaticint getEveryPage(int everyPage){ 1n^xVk-G
return everyPage == 0 ? 10 : everyPage; >_@J&vC
} {?8rvAjY
w^~,M3(+)1
privatestaticint getCurrentPage(int currentPage){ t?\osPL
return currentPage == 0 ? 1 : currentPage; Px<;-H`
} VD4(
fA8 ,wy|>
privatestaticint getBeginIndex(int everyPage, int FX{Sb"
^dro*a,
currentPage){ aePk^?KbB
return(currentPage - 1) * everyPage; 8W{R&Z7aL
} O_~\$b
]]+"`t,-
privatestaticint getTotalPage(int everyPage, int y0xte&
e.[h
totalRecords){ +:b|I'S
int totalPage = 0; r;-\z(h
BwR)--75
if(totalRecords % everyPage == 0) +7=3[K
totalPage = totalRecords / everyPage; dP82bk/e
else K#>B'>A\
totalPage = totalRecords / everyPage + 1 ; N)QW$iw9
v''$qMQ)
return totalPage; ;X8eZQ
} GE|V^_|i
~MOIrF
privatestaticboolean hasPrePage(int currentPage){ 0ZO!_3m$r
return currentPage == 1 ? false : true; I'JFt>]
} )gZ yW
YQ]W<0(
privatestaticboolean hasNextPage(int currentPage, WawOap
-{^Gzui
int totalPage){ \]zHM.E1
return currentPage == totalPage || totalPage == y:m Xv<g
U<zOR=_
0 ? false : true; [S4<bh!
} >mz<=n
d-X<+&VZ
~OXPn9qPp
} YH@^6Be9
(<|,LagTuc
*5u0`k^j
'vBuQinn
^)TZHc2a[
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。 !IcPO
r3'0{Nn+
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 F8nR.|
^tI
,eZ
做法如下: /;
w(1)B
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 }gete'I
=XVw{\#9 b
的信息,和一个结果集List: \Cx2$<8
java代码: \<TWy&2&
=A{F&:+a]
',P$m&z
/*Created on 2005-6-13*/ ^?}-x
package com.adt.bo; ''tCtG"
Xi
Fsz;T;
import java.util.List; KSz;D+L\
lxf+$Z`~:
import org.flyware.util.page.Page; VX0}x+LJ
yvv]iRk<
/** 7_HFQT1.N
* @author Joa BlnR{Y
*/ .~u[rc|<
publicclass Result { A`71L V%
}p5_JXBV
private Page page; Q`kV|
pjg
a`I
\19p]
private List content; iSbPOC7
@Z.BYC
/** u:.w/k%+
* The default constructor rny(8z%Ck-
*/ z.lIlp2:
public Result(){ ^p)#;$6b
super(); V_zU?}lZ^
} |P@N}P@
G>=Fdt7Oc
/** Wn2'uZ5If
* The constructor using fields U$|q]N
* ^hNl6)hR
* @param page DG?g~{Y~b
* @param content ~y{_NgMo
*/
pu~b\&^G
public Result(Page page, List content){ CFC15/yU
this.page = page; I3HO><of
this.content = content; G 9|2
KUG
} 60;_^v
7r&lW<:>
/** ,~ q:rh+
* @return Returns the content. q
#mBNe62p
*/ kDol 1v`
publicList getContent(){ 9U8x&Z]P
return content; 9 ,:#Q<UM
} C~egF=w
vJxEF&X
/** nNq<x^@83
* @return Returns the page. R2v9gz;W
*/ hr;^.a^
public Page getPage(){ @Ddz|4 vEi
return page; FRuPv6
} ((C|&$@M
! ui
/** ~Oa$rqu%m
* @param content )X-'Q -
* The content to set. !NH(EWER
*/ ckMG4
3i\j
public void setContent(List content){ 2TUV9Z
this.content = content; D6Au)1y=&
} ]XU4nNi
{.542}A
/** -nXP<v=V
* @param page 4d\^
* The page to set.
V1B!5N<
*/ ulxfxfd
publicvoid setPage(Page page){ g3].STz6w
this.page = page; ] L97k(:Ib
} ]f#s`.A~
} VE-l6@`
w%.hALN5-C
kN.;;HFq#
*#'j0;2F
"Yh;3tI4*
2. 编写业务逻辑接口,并实现它(UserManager, +=jS!
kh9'W<tE
UserManagerImpl) W?5')
java代码: rw,Ylr:3
ka~_iUU4
`p&[b]b
/*Created on 2005-7-15*/ kzKej"a;
package com.adt.service; db~^Gqv6k
6LBdTnzUd
import net.sf.hibernate.HibernateException; H}$7c`;q
c`soVqT$?
import org.flyware.util.page.Page; N$6e KJ]
lFGuQLuqA{
import com.adt.bo.Result; nd]SI;<
\P*_zd@%
/** y6nP=g|')>
* @author Joa 6@s!J8!
*/ sq!$+=1-X
publicinterface UserManager { "iA0hA
@khFk.LBD
public Result listUser(Page page)throws 6N#hN)/
B+K6(^j,,y
HibernateException; tw_o?9
WeM38&dWY
} q#tUDxf(|
i)?7+<X
V4+|D2
qD{1X25O
~Q&J\'GQH
java代码: nF@**,C Q
s*k)h,\
{Rkd;`Q`!
/*Created on 2005-7-15*/ V`y^m@U!
package com.adt.service.impl; m\56BP-AM
} ?j5V
import java.util.List; VBX)xQazU
oX|T&"&
import net.sf.hibernate.HibernateException; wtw=RA
}R%H?&P
import org.flyware.util.page.Page; yp#!$+a}
import org.flyware.util.page.PageUtil; L,}'ST
n93q8U6m/U
import com.adt.bo.Result; 1,-C*T}nR
import com.adt.dao.UserDAO; >Uw:cq
import com.adt.exception.ObjectNotFoundException; 0$*7lQ<a#M
import com.adt.service.UserManager; *'>_XX
$G".PWc
/** GC')50T J
* @author Joa Ymz/:
*/ V|8'3=Z=
publicclass UserManagerImpl implements UserManager { <T}^:2G|
YvJFZ_faX
private UserDAO userDAO; #L*\ ^ c
\ %Mcvb.?
/** iXDG-_K
* @param userDAO The userDAO to set. W/qXQORv
*/ DpRMXo[
publicvoid setUserDAO(UserDAO userDAO){ 5W&L6.J}+
this.userDAO = userDAO; RlOy,/-<
}
@ap!3o8,9
TTXF
r
/* (non-Javadoc) (VeK7cU
* @see com.adt.service.UserManager#listUser "t0^4=c+7
1SExlU
(org.flyware.util.page.Page) =A'>1N
*/ LCivZ0?|X
public Result listUser(Page page)throws Uu_qy(4
i!a!qE.1
HibernateException, ObjectNotFoundException { y!b2;- Dp
int totalRecords = userDAO.getUserCount(); 4fi4F1 f
if(totalRecords == 0) cXq9k!I%
throw new ObjectNotFoundException ZFtx&vrP
C~ &E7w