Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 2F+gF~znQ
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 LN^f1/b*
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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 {"}V&X160o
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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 m $dV<
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分页支持类: W>-B [5O&[
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java代码: %dttE)oH?
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package com.javaeye.common.util; B$a-og(
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import java.util.List; m7jA
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publicclass PaginationSupport { @wN
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publicfinalstaticint PAGESIZE = 30; ]k%PG-9
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privateint pageSize = PAGESIZE; :#{Xuy:
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privateList items; LR&_2e^[
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privateint totalCount; u=NG6G
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privateint[] indexes = newint[0]; !{UTD+|=N
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privateint startIndex = 0; Te-Amu
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public PaginationSupport(List items, int TwahR:T
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totalCount){ )N!>=
setPageSize(PAGESIZE); zF&=U`v
setTotalCount(totalCount); N|Cs=-+
setItems(items); |%7cdMC
setStartIndex(0); `:|@Zln
} -1%OlKC
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public PaginationSupport(List items, int !!,0'c
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totalCount, int startIndex){ \=e8%.#@J
setPageSize(PAGESIZE); :1wrVU-?h
setTotalCount(totalCount); ;y>a
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setItems(items); x4kWLy7Sz
setStartIndex(startIndex); L8$1K &!
} Ib`-pRU;
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public PaginationSupport(List items, int `wz[='yM
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totalCount, int pageSize, int startIndex){ 3=.Y,ENM;
setPageSize(pageSize); On_@HQ/FI
setTotalCount(totalCount);
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setItems(items); D ]03eu
setStartIndex(startIndex); 't (O$
} kuMKX`_
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publicList getItems(){ U.oksD9v
return items; _t>"5s&i
} )}lRd#V
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publicvoid setItems(List items){ 7}o/:
this.items = items; HIc a nk
} OM83S|1s
_ -..~K.|
publicint getPageSize(){ 9";sMB}W*
return pageSize; =?Fkn4t
} t%VDRZo7
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publicvoid setPageSize(int pageSize){ > 0>
this.pageSize = pageSize;
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} d j5hv~
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publicint getTotalCount(){ 'S4)?Z
return totalCount; '0aG
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} :QQlI
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publicvoid setTotalCount(int totalCount){ hvV_xD8|
if(totalCount > 0){ @R6 ttx
this.totalCount = totalCount; ;iQEkn2T|}
int count = totalCount / mLbN/M
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pageSize; ]7 GlO9
if(totalCount % pageSize > 0) #@.-B,]
count++; !X^Ce)1K
indexes = newint[count]; qa'gM@]
for(int i = 0; i < count; i++){ nhT(P`6
indexes = pageSize * 9.OA, 6
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i; @r7:NU}
} hUpnI@
}else{ c/3$AUsuO
this.totalCount = 0; ;/O#4]2*
} lx0~>K]
} rxZi8w>}
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publicint[] getIndexes(){ ~qVz)<
return indexes; 7{kP}?
} B|=|.qp$)
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publicvoid setIndexes(int[] indexes){ IzLF'F
this.indexes = indexes; -6~' cm
} (nSml,gU
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publicint getStartIndex(){ lHfe<j]
return startIndex; f>9s!Hpu_
} ??qq: `s
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publicvoid setStartIndex(int startIndex){ %CnxjtTo
if(totalCount <= 0) a>mMvc"
this.startIndex = 0; @\P4/+"9
elseif(startIndex >= totalCount) y*b3&%.ml
this.startIndex = indexes q?j|K|%
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[indexes.length - 1]; oDB`iiBXQ
elseif(startIndex < 0) .i"W8~<e
this.startIndex = 0; Qt>>$3]!!
else{ ?V(^YFzZ
this.startIndex = indexes 9/ovKpY
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[startIndex / pageSize]; u eb-2[=
} CON0E~"
} )Di \_/G
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publicint getNextIndex(){ g(x9S'H3l
int nextIndex = getStartIndex() + Of}|ib^t
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pageSize; ?knYY>Kzh1
if(nextIndex >= totalCount) /*)Tl
return getStartIndex(); j+4H}XyE
else *Ust[u
return nextIndex; KP"%Rm`XN
} `_X;.U.Mv
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publicint getPreviousIndex(){ m6mwyom.
int previousIndex = getStartIndex() - ~g;
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pageSize; px''.8
if(previousIndex < 0) X"MU3]
return0; ->{d`-}m'
else <W)u{KS#TY
return previousIndex; x *XH]&V
} wE\3$ s/{D
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} eet Q}]
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抽象业务类 ,FzeOSy'p
java代码:
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/** vV?rpe|%
* Created on 2005-7-12 arK_oh0B
*/ {No L
package com.javaeye.common.business; a`Qot
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import java.io.Serializable; qO1tj'U<
import java.util.List; \00DqL(Oj`
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import org.hibernate.Criteria; ~V=<3X
import org.hibernate.HibernateException; q%>'4_
import org.hibernate.Session; t(!r8!c
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import org.hibernate.criterion.DetachedCriteria; }G <T :(a
import org.hibernate.criterion.Projections; /$N~O1"0)
import z&8un%Jt
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org.springframework.orm.hibernate3.HibernateCallback; QnouBrhO
import d)o!5L
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org.springframework.orm.hibernate3.support.HibernateDaoS G9P!_72
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upport; ?L)
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import com.javaeye.common.util.PaginationSupport; gR^>3n'
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public abstract class AbstractManager extends -Ng'<7
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HibernateDaoSupport { Z#l%r0(o
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privateboolean cacheQueries = false; [P4$Khu$
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privateString queryCacheRegion; zhI#f0c
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publicvoid setCacheQueries(boolean /c2'dJ(H
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cacheQueries){ ?|{XZQ~
this.cacheQueries = cacheQueries; 3oZ=k]\
} '|>9C^E9X
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publicvoid setQueryCacheRegion(String tirIgZ
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queryCacheRegion){ b#)UUGmI
this.queryCacheRegion = ?jQ](i&
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queryCacheRegion; qB]i6*
} ^E`(*J/o
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publicvoid save(finalObject entity){ /2M.~3gQ
getHibernateTemplate().save(entity); nR>r2wMk@
} RF!a//
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publicvoid persist(finalObject entity){ VQI(Vp|
getHibernateTemplate().save(entity); E`H$YS3o
} {Hmo1|_S|
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publicvoid update(finalObject entity){ f
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getHibernateTemplate().update(entity); )py{\r9X
} }V;+l8
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publicvoid delete(finalObject entity){ J~B
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getHibernateTemplate().delete(entity); f&,{XZ
} . v@>JZC
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publicObject load(finalClass entity, D<i[LZd
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finalSerializable id){ {+<P:jbz;
return getHibernateTemplate().load 2g9G{~,@g
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(entity, id); H=g.34
} X;F?:Iw \
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publicObject get(finalClass entity, V}o n|A
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finalSerializable id){ M~*u;vA/
return getHibernateTemplate().get |IoB?^_h
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(entity, id); -F"QEL#
} D'l5Zd
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publicList findAll(finalClass entity){ )Rat0$6
return getHibernateTemplate().find("from Xb
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" + entity.getName()); Xd E`d.
} Rd7_~.Bo
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publicList findByNamedQuery(finalString l+][V'zL
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namedQuery){ ,h\s F#|
return getHibernateTemplate 0n ~ Zz
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().findByNamedQuery(namedQuery); ]9=h%5Ji>
} H`8``#-|@S
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publicList findByNamedQuery(finalString query,
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finalObject parameter){ +bK.NcS
return getHibernateTemplate SjjIr ^
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().findByNamedQuery(query, parameter); v1k)hFjPK
} 5m=I*.qE
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publicList findByNamedQuery(finalString query, bb42v7?
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finalObject[] parameters){ n26Y]7N
return getHibernateTemplate Kz<@x`0
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().findByNamedQuery(query, parameters); ]u-]'P
} X.K<4N0A9J
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publicList find(finalString query){ 3lLMu B+
return getHibernateTemplate().find BYW^/B Y)
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(query); ]Fvm 7V
} 5WqXo{S
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publicList find(finalString query, finalObject Nfe>3uQK
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parameter){ b 6t}{_7
return getHibernateTemplate().find Iq+>qX
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(query, parameter); #zrTY9m7
} e}@)z3Q<l
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public PaginationSupport findPageByCriteria .*$OQA
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(final DetachedCriteria detachedCriteria){ ;
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return findPageByCriteria MRr</o
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(detachedCriteria, PaginationSupport.PAGESIZE, 0); !/ y!QXj
} Sp}D;7
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public PaginationSupport findPageByCriteria vvB(r!
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(final DetachedCriteria detachedCriteria, finalint 2eeQ@]Wj[Z
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startIndex){ E$a ?LFa6
return findPageByCriteria (3[z%@I
7@.cOB`y@3
(detachedCriteria, PaginationSupport.PAGESIZE, 1[*UYcD
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startIndex); H4OhIxK
} ky>wOaTmN6
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public PaginationSupport findPageByCriteria a</D_66
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(final DetachedCriteria detachedCriteria, finalint ;)Kh;;e
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pageSize, C^t(^9
finalint startIndex){ krq/7|
return(PaginationSupport) Z'^U ad6
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getHibernateTemplate().execute(new HibernateCallback(){ PCd0 ?c
publicObject doInHibernate KucV3-I
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(Session session)throws HibernateException { c[}(OH
Criteria criteria = C
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detachedCriteria.getExecutableCriteria(session); ES <1tG
int totalCount = GN#<yv$av
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((Integer) criteria.setProjection(Projections.rowCount o01kYBD
9/ SXs0
()).uniqueResult()).intValue(); ej&<GM|
criteria.setProjection sDgXU@
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(null); *BD=O@
List items = lcON+j
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criteria.setFirstResult(startIndex).setMaxResults JO&JP3N1
UE _fpq
(pageSize).list(); _u"nvgVz9
PaginationSupport ps = zeP}tzQO
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new PaginationSupport(items, totalCount, pageSize, ~mV"i7VX
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startIndex); ?EMK8;
return ps; bG&"9b_c
} 2c<&eX8"
}, true); $=sXAK9
} IUGz =%[
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public List findAllByCriteria(final i$^)UZJ&0
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DetachedCriteria detachedCriteria){ eZ a:o1y
return(List) getHibernateTemplate
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().execute(new HibernateCallback(){ IM=bK U
publicObject doInHibernate 4@ILw
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(Session session)throws HibernateException { STfyCtS
Criteria criteria = HhA -[p
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detachedCriteria.getExecutableCriteria(session); D+ V7hpH-
return criteria.list(); A]`El8_t"
} })vOaYT|-
}, true); !.7udYmB
} D0Z\Vvy
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public int getCountByCriteria(final 2Zuq?1=
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DetachedCriteria detachedCriteria){ r%wA&FQ8U
Integer count = (Integer) ^IZ)#1U
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getHibernateTemplate().execute(new HibernateCallback(){ LL!.c
publicObject doInHibernate B bhfG64
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(Session session)throws HibernateException { W-RqN!snJ8
Criteria criteria = 8pLBt:
@J[6,$UVu
detachedCriteria.getExecutableCriteria(session); I3u{zHVwI
return M|T4~Q U&
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criteria.setProjection(Projections.rowCount 3[p_!eoW
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()).uniqueResult(); W#_/ak$uF*
} nGZX7Fx5
}, true); J2GcBzRH
return count.intValue(); )g|
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} 8B!aO/Km
} :/YO ni1h
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用户在web层构造查询条件detachedCriteria,和可选的 1`f_P$&Z_J
@
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 "SWMk!
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PaginationSupport的实例ps。 ,Y_{L|:w
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ps.getItems()得到已分页好的结果集 Zr$d20M2A;
ps.getIndexes()得到分页索引的数组 '/0#lF
ps.getTotalCount()得到总结果数 W:&R~R
ps.getStartIndex()当前分页索引 k!jNOqbb
ps.getNextIndex()下一页索引 J.*XXM- V
ps.getPreviousIndex()上一页索引 %/"Oxi^G
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 @b&84Gn2
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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 ;'T{li2
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一下代码重构了。 $X`y%*<<v
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我把原本我的做法也提供出来供大家讨论吧:
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首先,为了实现分页查询,我封装了一个Page类: P=AS>N^yaL
java代码: $*MCUnl
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/*Created on 2005-4-14*/ /%x7+Rl\-^
package org.flyware.util.page; 33l>{(y
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/**
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* @author Joa t
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* "vF
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*/ 3EFD%9n
publicclass Page { m/&i9A
4\X||5.c
/** imply if the page has previous page */ v vu<:16
privateboolean hasPrePage; `qpc*enf0
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/** imply if the page has next page */ ={(j`VSUX0
privateboolean hasNextPage; Q}%tt=KD
Hy;Hs#
/** the number of every page */ Y8s;w!/
privateint everyPage;
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V
/** the total page number */ l?N`{,1^
privateint totalPage; >.9eBz@
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/** the number of current page */ >X}{BDMb.
privateint currentPage; Rz <OF^Iy
+}7fg82)
/** the begin index of the records by the current n"{X!(RIcx
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query */ <zfe}0
privateint beginIndex; R zR?&J
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/** The default constructor */ J07O:cjyu
public Page(){ mL L$|
%5 </d5.
} R|,7d:k
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/** construct the page by everyPage X33v:9=
* @param everyPage N{akg90
* */ HQVh+ (
public Page(int everyPage){ #Fd W/y5
this.everyPage = everyPage; DQ!J!ltQ
} 3><u*0qe%I
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/** The whole constructor */ I=dGq;Jaz
public Page(boolean hasPrePage, boolean hasNextPage, ?qHF}k|
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int everyPage, int totalPage, 9/TY\?U
int currentPage, int beginIndex){ a<Uqyilm
this.hasPrePage = hasPrePage; 9w^zY;Y
this.hasNextPage = hasNextPage; Q}vbm4)[
this.everyPage = everyPage; 'w<BJTQIL
this.totalPage = totalPage; jp<VK<s]
this.currentPage = currentPage; iLq#\8t^
this.beginIndex = beginIndex; d+2daKi
} ]
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cy3ww})
/** L/r{xS
* @return vE\lp8j+
* Returns the beginIndex. q(]f]Vl|0
*/ Cw1(5
publicint getBeginIndex(){ 3{J.xWB@:
return beginIndex; ai ftlY
} WYIw5jzC
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/** pG yRX_;
* @param beginIndex +$pJ5+v
* The beginIndex to set. X-Ycz 5?
*/ =I4.Gf"~f
publicvoid setBeginIndex(int beginIndex){ \KM|f9-b
this.beginIndex = beginIndex; L7q | ^`
} }5gr5g\OtP
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/** w=J4zkWk
* @return T%I&txl
* Returns the currentPage. RsSXhPk?
*/ W"sr$K2m|
publicint getCurrentPage(){ b~Z=:'m8
return currentPage; Vewzo1G2
} gg]~2f
U</+ .$b
/** 'h*Zc}Q:
* @param currentPage TlPVHJyt
* The currentPage to set. n(&*kfk
*/ *BOBH;s
publicvoid setCurrentPage(int currentPage){ ~mH+DV3
this.currentPage = currentPage; 0=[0|`x
} Pz473d
*SZ>upg
/** v]bAWo
* @return YFx=b!/s
* Returns the everyPage. :C%47qv
*/ 9*p G?3*I
publicint getEveryPage(){ 3%IWGmye4
return everyPage; z\}!RBOq
} {
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/** =lrN'$z?%
* @param everyPage 8XbR
* The everyPage to set. 2LhE]O(_"
*/ QkX@QQT?
publicvoid setEveryPage(int everyPage){ Kym:J \}9B
this.everyPage = everyPage; &&C~@WY,r
} "6V_/u5M;=
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@:R
/** |h,FUj<r
* @return oQvFrSz
* Returns the hasNextPage. A?Sm-#n{
*/ RndOm.TE
publicboolean getHasNextPage(){ qJMp1DC
return hasNextPage; ` u=<c
} h.b+r~u
hEcYpng~
/** s1=u{ET
* @param hasNextPage '3%*U*I
* The hasNextPage to set. Oxn'bh6R0
*/ 4TJ!jDkox
publicvoid setHasNextPage(boolean hasNextPage){ 8|<f8Z65!
this.hasNextPage = hasNextPage; P%!q1`Eke(
} Mcb<[~m
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/** )/TVJAJ
* @return @7|)RSBQz
* Returns the hasPrePage. M,{<TpCx
*/ YHh u^}|jQ
publicboolean getHasPrePage(){ y Hw!#gWM
return hasPrePage; bV7QVu8
} rxkBg0Z`a
mt .,4
/** 4`0;^K.
* @param hasPrePage +-k`x0v
* The hasPrePage to set. JWSq"N
*/ %0(>!SY
publicvoid setHasPrePage(boolean hasPrePage){ 6cZ C
this.hasPrePage = hasPrePage; "0Y&~q[=
} "GB UQ}
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/** YD+QX@
* @return Returns the totalPage. #ZwY?T
x
* Y;PDZbK3
*/ 5oa]dco
publicint getTotalPage(){ Sl~C0eO
return totalPage; k`Y,KuBpM
} k7[)g]u
/
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/** sp,(&Y]US
* @param totalPage | &\^n2`>
* The totalPage to set. -CZ-l;5
*/ C9+Dw#-fV
publicvoid setTotalPage(int totalPage){ Xa\]ua_
this.totalPage = totalPage; ?/L1tX)
} [ 1D)$"
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} #|D:f~"d3
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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 6P6Jx;
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个PageUtil,负责对Page对象进行构造: QD6Z=>?S
java代码: l>33z_H^
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/*Created on 2005-4-14*/ c'[( d5^|
package org.flyware.util.page; yO%VzjJhg
n/:Z{
import org.apache.commons.logging.Log; :'TX"E!
import org.apache.commons.logging.LogFactory; @~Rk^/0
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/** Kjvs@~6t
* @author Joa 9Z}S]-u/
* <C2c"=b
*/ Xek E#?.
publicclass PageUtil { m./*LXU
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privatestaticfinal Log logger = LogFactory.getLog @V*au:
U@MOvW)
(PageUtil.class); $Jt8d|UP
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/** &s_}u%iC
* Use the origin page to create a new page 96k(XLR
* @param page ~c'\IM
* @param totalRecords 1gO//fdI
* @return IrUpExJ
*/ 9 ?[4i'
publicstatic Page createPage(Page page, int rUhWZta
)Ep@$Gv|S
totalRecords){ Z7ZWf'o
return createPage(page.getEveryPage(), aj+zmk~-
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page.getCurrentPage(), totalRecords); y;*My#
} AZ]Z,s6
C5d/)aC
/** 4t"* )xy
* the basic page utils not including exception %Gnd"SGs
nT(!HDH
handler d;IJ0xB+by
* @param everyPage F12S(5Z0%
* @param currentPage U5T^S
* @param totalRecords ..sJtA8
* @return page K>`m_M"LA
*/ !;6W!%t.|
publicstatic Page createPage(int everyPage, int DWHOSXA4
S;G"L$&\
currentPage, int totalRecords){ 75' Ua$
everyPage = getEveryPage(everyPage); ;g!xQvcR
currentPage = getCurrentPage(currentPage); 8Fyc#Xo8
int beginIndex = getBeginIndex(everyPage, |v,}%UN2
$v2S;UB v*
currentPage); %!1@aL]pQ
int totalPage = getTotalPage(everyPage, ]M02>=1
)[F46?$vrk
totalRecords); jLpgWt`8)E
boolean hasNextPage = hasNextPage(currentPage, xUV_2n+
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totalPage); U!3uaz'
boolean hasPrePage = hasPrePage(currentPage); &^"s=g.
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returnnew Page(hasPrePage, hasNextPage, ) >-D={
everyPage, totalPage, =Td#2V;0
currentPage, hA$c.jJr.Z
pO@k@JZ
beginIndex); _%C_uBLi
} G*kXWEx
qhv4R| )
privatestaticint getEveryPage(int everyPage){ Lcm~QF7cd
return everyPage == 0 ? 10 : everyPage; P W0q71
} w0F:%:/
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privatestaticint getCurrentPage(int currentPage){ ^$g],PAY
return currentPage == 0 ? 1 : currentPage; mRix0XBI~
} Lk$Je
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privatestaticint getBeginIndex(int everyPage, int |>m# m*{S
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currentPage){ 1VPfa
return(currentPage - 1) * everyPage; h[M6.
} mUe@Dud
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privatestaticint getTotalPage(int everyPage, int k1@
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totalRecords){ c+YYM
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int totalPage = 0; Xv<;[vq}F
w7.?zb !N
if(totalRecords % everyPage == 0) gXJ19zB+
totalPage = totalRecords / everyPage; X8NO;w@z#
else Eusf gU:
totalPage = totalRecords / everyPage + 1 ; ),W(TL
-O5(%
return totalPage; A$$R_3ne
} RLeSA\di
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privatestaticboolean hasPrePage(int currentPage){ Q:Nwy(,I
return currentPage == 1 ? false : true; 2!"\;/
} ,AFC 1t[0
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privatestaticboolean hasNextPage(int currentPage, : Oz7R:
Sj=69>m]5
int totalPage){ ?Sd~u1w8K
return currentPage == totalPage || totalPage == !Sr0Im0
, L AJ
0 ? false : true; &d &oP
} {O3oUE+
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} Q'%5"&XFD
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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。 :w&)XI34
~*Sbn~U
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 dOYm t,
o sgS?=8
做法如下: odn97,A
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 ^QL/m\zq@%
OKLggim{
的信息,和一个结果集List: j@_) F^12
java代码: W;)FNP|MT
E]U3O>hf
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/*Created on 2005-6-13*/ cM7k) {
package com.adt.bo; 1RUbY>K#U
>stVsFdV)
import java.util.List; p'w"V6k('~
Osvz 3UMY3
import org.flyware.util.page.Page; "3>*i!i
?H86Wbz
/** E[htB><
* @author Joa %?9r (&
*/ O%q;,w{prW
publicclass Result { J#OE}xASoA
"}~i7NBB
private Page page; Hr8$1I$=
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private List content; XCi]()TZ_
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/** q MT.7n:
* The default constructor -GkK[KCH
*/ l1|,Lr
public Result(){ Gk]qE]hi
super(); E(4lu%
} ^*UfCoj9Z
D A)0Y_
/** r)@&2b"q
* The constructor using fields ("M#R!3
* |% YzGgp7
* @param page :,z3:PL
* @param content zt>_)&b
*/ _*?"[TYfX
public Result(Page page, List content){ _=^hnv
this.page = page; r/$)c_x`
this.content = content; 22|M{
} { `|YX_HS
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/** j'Q-*-3
* @return Returns the content. -$MC
*/ "i<3}6/*
publicList getContent(){ MHT,rqG
return content; w5/X{
} `zOAltfd
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/** U.j\u>a
* @return Returns the page. ,m'#>d&zO
*/ SlJ/OcAf#
public Page getPage(){ !}Ou|r4_
return page; }ok
nB
} lX k-86[M
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/** Rc.<0#
* @param content }GNH)-AG)$
* The content to set. n; '~"AG)
*/ 7'/2 :"
public void setContent(List content){ WUK.>eM0
this.content = content; =O:ek#Bp
} 4Z
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88=FPEU
/** x^#{2}4u
* @param page PdN\0B`
* The page to set. a.U:B
[v`
*/ Gv
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publicvoid setPage(Page page){ V7'x?
pt
this.page = page; r~!%w(N|M
} pmD-]0
}
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l
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MdboWE5i
2. 编写业务逻辑接口,并实现它(UserManager, M |kDys
o[r6sz:
UserManagerImpl) IV#f}NrfD
java代码: `xAJy5
xr3PO?:
1Y"qQp
/*Created on 2005-7-15*/ Ri6 br
package com.adt.service; =ZIFS
eV=sDx
import net.sf.hibernate.HibernateException; ./*,Thc
>Pd23TsN
import org.flyware.util.page.Page; JP*wi-8D
Y'H/
$M N
import com.adt.bo.Result; xdU
pp~}+.
_$_CR\$
/** FT<*
* @author Joa z>g& ?vo2
*/ Ywk[VD+.
publicinterface UserManager { kJpHhAn4
2Xs < 1rF
public Result listUser(Page page)throws 0bL=l0N$W
UT7lj wT
HibernateException; 19{?w6G<k
N6
(w<b
} k)' z<EL6c
CIvT5^}
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kL2sJX+
:+^llz
java代码: >b](v)
=0fx6V
959jp85
/*Created on 2005-7-15*/ 0(f;am0y
package com.adt.service.impl; !e"m*S.(6{
Zo ReyY2
import java.util.List; PCnJ2
E1w XG
import net.sf.hibernate.HibernateException; kV9NFo22
/j\TmcnU^
import org.flyware.util.page.Page; v86`\K*0Y
import org.flyware.util.page.PageUtil; x&b-Na