Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 7R4xJ H
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 <OR f{
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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 A08b=S
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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 ;_]Z3
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。 2p6`@8*34
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分页支持类: 85fv] )\y
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java代码: WJXQM[
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package com.javaeye.common.util; %BV2 q
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import java.util.List; :f9O3QA
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publicclass PaginationSupport { 0qdgt
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publicfinalstaticint PAGESIZE = 30; B%~D`[~?
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privateint pageSize = PAGESIZE; ~-dL #;
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privateList items; u=mJI*
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privateint totalCount; ~C;1}P%9x
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privateint[] indexes = newint[0]; "@h 5
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privateint startIndex = 0; JE[+
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public PaginationSupport(List items, int P#8]m(
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totalCount){ 9S_N*wC.
setPageSize(PAGESIZE); J &<uP)<
setTotalCount(totalCount);
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setItems(items); o{QU?H5h
setStartIndex(0); Ku
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} `/1Zy}cD
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public PaginationSupport(List items, int Dq~PxcnI
dE[_]2];P
totalCount, int startIndex){ m{ya%F
setPageSize(PAGESIZE); ^Z9v_qB
setTotalCount(totalCount); .W9/*cZV0
setItems(items); cdH Ug#
setStartIndex(startIndex); ~w>Z !RuhT
} Ob|[/NN
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public PaginationSupport(List items, int :2n(WXFFI
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totalCount, int pageSize, int startIndex){ '
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setPageSize(pageSize); S dI/
setTotalCount(totalCount); N]p|c3D
setItems(items); wn$:L9"YN
setStartIndex(startIndex); 4-YXXi}
} N%2UL&w#B
q|8p4X}/]
publicList getItems(){ "eH~/ 6A
return items; c/c%-=
} $_.m<
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publicvoid setItems(List items){ a%wK[yVp
this.items = items; #=MQE
} h0N*hx
jJ' LM>e
publicint getPageSize(){ ,0~/ Cn
return pageSize; M~G1ZB
} ItoSORVV
HxVQeyOR
publicvoid setPageSize(int pageSize){ })l+-H"
this.pageSize = pageSize; Q)l]TgvSe
} ^z[-pTY
LX
%8a^?;
publicint getTotalCount(){ cZ"
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return totalCount; 's]+.3">L1
} 7{vnhl(Z
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publicvoid setTotalCount(int totalCount){ C+WHg-l
if(totalCount > 0){ ; md{T'
this.totalCount = totalCount; 9u 'hCi(
int count = totalCount / u%#s_R
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pageSize; >e4
if(totalCount % pageSize > 0) {d;eZt
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count++; t `4^cd5V
indexes = newint[count]; d E@R7yU@
for(int i = 0; i < count; i++){ `;^% t
indexes = pageSize * RfT#kh/5
h&!k!Su3#
i; 6]|NB &
} V.IgEE]
}else{ ,x+_/kqx
this.totalCount = 0; ax0:v!,e
} oE&Zf/
} y\
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publicint[] getIndexes(){ 3q:-98DT
return indexes; NVnKgGlHgd
} /HNZwbh]uJ
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publicvoid setIndexes(int[] indexes){ Y/t:9Aau
this.indexes = indexes; ksxacRA7\
} `p&ko$i2
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publicint getStartIndex(){ ;y#6Nx,:
return startIndex;
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}
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publicvoid setStartIndex(int startIndex){ Zq|oj^
if(totalCount <= 0) Xu1l6jr_
this.startIndex = 0; u.gh04{5
elseif(startIndex >= totalCount) *JG?^G"l
this.startIndex = indexes %*.;3;m
(n-8p6x(
[indexes.length - 1]; (k"oV>a|
elseif(startIndex < 0) 'JEZ;9}
this.startIndex = 0; 3zb;q@JV
else{ y+RT[*bX5o
this.startIndex = indexes VI%879Z\e
/Q"nQSG
[startIndex / pageSize]; JF*JFOb
} F9e$2J)C
} W%09.bF
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publicint getNextIndex(){ "F+
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int nextIndex = getStartIndex() + Jkt
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h<*l=`#
pageSize; xZ@H{):
if(nextIndex >= totalCount) b?o T|@
return getStartIndex(); q[]!V0Ek10
else $JTy`g0>x
return nextIndex; n@BE*I<"
} oKTIoTb
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publicint getPreviousIndex(){
9`^VuC'
int previousIndex = getStartIndex() - Iz2K
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pageSize; vi0% jsI
if(previousIndex < 0) asR6,k
return0; XJ]MPiXj
else >b-rAO\{}
return previousIndex; ?ZSG4La\
} &a8#qv"l
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} @yaBtZUp3
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抽象业务类 8N(bLGUG
java代码: bF'~&<c
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/** 3h";
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* Created on 2005-7-12 O6;>]/`
*/ m7kDxs(KO
package com.javaeye.common.business; 5 v~Y>
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import java.io.Serializable; 5d(A(
import java.util.List; ok'0Byo
!{s$V2_
import org.hibernate.Criteria; .,,?[TI
import org.hibernate.HibernateException; c0<Y017sG
import org.hibernate.Session; ?9!tMRb
import org.hibernate.criterion.DetachedCriteria; /Fh"Gl^
import org.hibernate.criterion.Projections; V{Idj\~Jh
import =Gd[Qn83.%
^i-%FY_i5}
org.springframework.orm.hibernate3.HibernateCallback; yixW>W}
import w}NgFrL
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org.springframework.orm.hibernate3.support.HibernateDaoS )0AE*S
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upport; M=o,Sav5*
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import com.javaeye.common.util.PaginationSupport; ":7cZ1VN2
$'9r=#EH
public abstract class AbstractManager extends #A]7cMZ'W
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HibernateDaoSupport { |,dMF2ADc
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privateboolean cacheQueries = false; bHS2;K~
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privateString queryCacheRegion; {K3\S
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publicvoid setCacheQueries(boolean //ZB B,[@
tx5_e[
cacheQueries){ 0A?w,A`"
this.cacheQueries = cacheQueries; a' #-%!]
} h%=b"x
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publicvoid setQueryCacheRegion(String `t!iknOQ$
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queryCacheRegion){ niy@'
this.queryCacheRegion = 4#2iL+
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queryCacheRegion; i6`8yw
} _&(ij(H
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publicvoid save(finalObject entity){ mnmwO(.
getHibernateTemplate().save(entity); oN `tZ;a
} sgX}`JH?z
w,}}mC)\*
publicvoid persist(finalObject entity){ n"FOCcTIs
getHibernateTemplate().save(entity); 7vj[ AOq3l
} f6|3|
+
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publicvoid update(finalObject entity){ &/JnAfmYqt
getHibernateTemplate().update(entity); /0o 2
} !%s7I^f*
*?K`T^LS
publicvoid delete(finalObject entity){ X2@o"xU
getHibernateTemplate().delete(entity); lZ)u4_
} !zJ.rYZ=g`
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publicObject load(finalClass entity, C>K/C!5?
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finalSerializable id){ J$EEpL
return getHibernateTemplate().load $s]@%6f
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(entity, id); Y}?@Pm drz
} r?X^*o9
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publicObject get(finalClass entity, <=7)t.
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finalSerializable id){ ,@!d%rL:4]
return getHibernateTemplate().get =VY4y]V
% qE#^ U
(entity, id); "LxJPt\
} a<o0B{7{BM
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publicList findAll(finalClass entity){
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return getHibernateTemplate().find("from _$cBI_eA7
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" + entity.getName()); C=b5[, UCB
} mY
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publicList findByNamedQuery(finalString \c\=S
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namedQuery){ GbE3:;JI
return getHibernateTemplate vOj$-A--qU
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().findByNamedQuery(namedQuery); dog,vUu
} 7,4x7!
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publicList findByNamedQuery(finalString query, *&PgDAQ
n^%u9H
finalObject parameter){ zSH#j RDV
return getHibernateTemplate kj#yG"3+
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().findByNamedQuery(query, parameter); b7,qzh
} 0IdD
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publicList findByNamedQuery(finalString query, Iymz2
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finalObject[] parameters){ <f*0 XJ#
return getHibernateTemplate qXF"1f_+
FV9RrI2
().findByNamedQuery(query, parameters); NAU<?q<)
} Xo5L:(?K
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publicList find(finalString query){ ,@;<u'1\G
return getHibernateTemplate().find [y:LA~q
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(query); QezK&iJg
} ?l (hS\N,
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publicList find(finalString query, finalObject KJ~pY<a?
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parameter){ gn%"dfm
return getHibernateTemplate().find :
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(query, parameter); D5p22WY
} tc',c},h~,
k);!H +
public PaginationSupport findPageByCriteria IviWS84
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(final DetachedCriteria detachedCriteria){ 21[F%,{.),
return findPageByCriteria IW#(ICeb
;1 fM L,8
(detachedCriteria, PaginationSupport.PAGESIZE, 0); Pla EI p
} 6xe
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public PaginationSupport findPageByCriteria (`p(c;"*C!
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(final DetachedCriteria detachedCriteria, finalint uprQy<I@
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startIndex){ 9s)oC$\
return findPageByCriteria `jHGNi
%([c4el>\F
(detachedCriteria, PaginationSupport.PAGESIZE, |(<L!6
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startIndex); I}WJ0}R
} rUO{-R
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public PaginationSupport findPageByCriteria On^#x]
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(final DetachedCriteria detachedCriteria, finalint V("1\
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pageSize, #L)rz u
finalint startIndex){ UQ)}i7v
return(PaginationSupport) OOCeZ3yF(
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getHibernateTemplate().execute(new HibernateCallback(){ t/Fe"T[,V
publicObject doInHibernate UU;:x"4
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(Session session)throws HibernateException { E'G>'cW;x
Criteria criteria = NP8TF*5V
/HRaX!|E#
detachedCriteria.getExecutableCriteria(session); 0FOf *Lz
int totalCount = ?MH4<7?"
1N+#(<x@,
((Integer) criteria.setProjection(Projections.rowCount ^n/uY94E)p
=+p+_}C
()).uniqueResult()).intValue(); BR2y1Hfi
criteria.setProjection J.nq[/Q=
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(null); Q\76jD`m\
List items = iIFQRnpu;3
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criteria.setFirstResult(startIndex).setMaxResults 8=~>B@'
w%;'uN_
(pageSize).list(); 5[_8N{QC;
PaginationSupport ps = l5FQ!>IM
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new PaginationSupport(items, totalCount, pageSize, Pcs@`&}7r
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startIndex); R5"p7>
return ps; T8-$[
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} 5WT\0]RUa
}, true); ' T]oV~H
} `?x$J
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public List findAllByCriteria(final kdCOcJB
s/M~RB!w
DetachedCriteria detachedCriteria){ \0h/~3
return(List) getHibernateTemplate kP$gl|
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().execute(new HibernateCallback(){ YW<2:1A|
publicObject doInHibernate F6p1 VFs
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(Session session)throws HibernateException { cAS_?"V
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Criteria criteria = J|-HZ-Wk|J
sFK<:ka
detachedCriteria.getExecutableCriteria(session); DOe KW
return criteria.list(); cqx1NWlY
} }=a4uCE
}, true); >nQyF
} 5H+k_U
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public int getCountByCriteria(final NrcCUZ .:N
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DetachedCriteria detachedCriteria){ Tm\[q
Integer count = (Integer) OU@x1G{Cy
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getHibernateTemplate().execute(new HibernateCallback(){ e-9unnk
publicObject doInHibernate C`wI6!
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(Session session)throws HibernateException { <R>z;2c
Criteria criteria = 070IBAk}_
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detachedCriteria.getExecutableCriteria(session); P*`xiTA
return /Ph&:n\4
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criteria.setProjection(Projections.rowCount Aw;vg/#~md
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()).uniqueResult(); &Fjilx'k
} 1 ],,
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}, true); D'cY7P
return count.intValue(); % VpBB
} nM-SDVFM
} DWQQ615i
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用户在web层构造查询条件detachedCriteria,和可选的 NxO^VUD
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 Ch"8cl;Fm
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PaginationSupport的实例ps。 wg<|@z5
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ps.getItems()得到已分页好的结果集 E5G"QnxR>N
ps.getIndexes()得到分页索引的数组 vUe
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ps.getTotalCount()得到总结果数 FK# E7
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ps.getStartIndex()当前分页索引 I0+wczW,^
ps.getNextIndex()下一页索引 1xAFu+
ps.getPreviousIndex()上一页索引 %aBJ+V F
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 /I'u/{KB
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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 e~.?:7t
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一下代码重构了。 )kKmgtj
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我把原本我的做法也提供出来供大家讨论吧: Du:p!nO
YQV?S
首先,为了实现分页查询,我封装了一个Page类: W^.-C
java代码: ^7bf8 ^`
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/*Created on 2005-4-14*/ E8_Le
package org.flyware.util.page; R{uJczu
ttFY
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/** aq+IC@O
* @author Joa E\~ KVn
* RE
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*/ |W*@}D
publicclass Page { %=9yzIjbAt
5%?b5(mnD
/** imply if the page has previous page */ RefRoCD1
privateboolean hasPrePage; GyAgPz
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/** imply if the page has next page */ o.3YM.B#
privateboolean hasNextPage; ]]=fA 4(
XL
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/** the number of every page */ !Nl.Vb
privateint everyPage; M*|VLOo=v
}"?nU4q;S
/** the total page number */ Zxc7nLKF~
privateint totalPage; (s$u_aq77
? x"HX|n
/** the number of current page */ KBw9(
privateint currentPage; r<X 4ER
%aH$Tb%`hc
/** the begin index of the records by the current ] @)!:<+
MziZN^(
query */ ur<eew@8@i
privateint beginIndex; daB l%a=
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/** The default constructor */ uR:=V9O
public Page(){ S6T!qH{6
tpa^k
} hB7pR"P
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/** construct the page by everyPage !ASoXQRz
* @param everyPage g+ }s:9
* */ ;EJPrDHTk
public Page(int everyPage){ inPE/Ux
this.everyPage = everyPage; wD6!#t k
} f(6UL31
8wX+ZL:9
/** The whole constructor */ yS)-&t!;
public Page(boolean hasPrePage, boolean hasNextPage, w}j6.r
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int everyPage, int totalPage, B)rr7B
int currentPage, int beginIndex){ PW*;S p
this.hasPrePage = hasPrePage; VX;zZ`BJ
this.hasNextPage = hasNextPage; )
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this.everyPage = everyPage; cophAP
this.totalPage = totalPage; HkdN=q
this.currentPage = currentPage; #7] o6
this.beginIndex = beginIndex; -VWCD,c
} =_8
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/** X
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* @return lI4J=8O0
* Returns the beginIndex. F?b'L
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*/ "7kge z#Y
publicint getBeginIndex(){ mQJ4;BJw
return beginIndex; 2y+70(E1
} N.0HfYf
Ht|",1yr+
/** $N;"}Gz
* @param beginIndex j|[(*i%7|
* The beginIndex to set. HDF"]l;
*/ 3}B5hht"D
publicvoid setBeginIndex(int beginIndex){ ADYx.8M|9i
this.beginIndex = beginIndex; jby~AJf%
} /M^V2=
'Aj(i/CM
/** [jl2\3*
* @return
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* Returns the currentPage. ]{!!7Zz
*/ K85_>C%g
publicint getCurrentPage(){ H(15vlOD
return currentPage; cy) k<?,
} I9}+(6
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/** 3P//H88LY
* @param currentPage x.b; +p}=
* The currentPage to set. $ViojW>
*/ 4}Q O!(
publicvoid setCurrentPage(int currentPage){ '7xxCj/*
this.currentPage = currentPage; +_qh)HX
} H\^VqNK"
?R;nL{
/** 3sZ,|,ueD
* @return uAu( +zV2
* Returns the everyPage. $gVLk.
*/ of8mwnZR
publicint getEveryPage(){ <ROpuY\!l
return everyPage; hZAG (Z
} f49"pTw7
`$S^E !=
/** +D:83h{
* @param everyPage ?}vzLgp
* The everyPage to set. -a
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*/ w`L~#yu
publicvoid setEveryPage(int everyPage){ W|ReLM\
this.everyPage = everyPage; pC*BA<?Rg
} dh&W;zs
!|B3i_n
/** u3 ]Uxy
* @return [{`)j
* Returns the hasNextPage. Bul.RCP'
*/ aXe{U}eow
publicboolean getHasNextPage(){ ~|&="K4,:
return hasNextPage; LeY+p]n~
} q*L
]
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/** oW^k7#<e}
* @param hasNextPage ~xS@]3n=
* The hasNextPage to set. jCzGus!rM
*/ pd d|n2q
publicvoid setHasNextPage(boolean hasNextPage){ 1Gsw-a;a
this.hasNextPage = hasNextPage; np\st7&f6
} d CE\^q[{
bA}Z0a
/** rO0ZtC{K
* @return %c]nWR+/
* Returns the hasPrePage. oEJaH
*/ *p=fi
publicboolean getHasPrePage(){ RI-A"cc6A
return hasPrePage; }2lO _i}L
} ;SgD 5Ln}
&K>cW$h=a
/** +UzXN$73
* @param hasPrePage N31?9GE
* The hasPrePage to set. q]px(
*/ lR:?uZ$
publicvoid setHasPrePage(boolean hasPrePage){ 8O6_iGTBh
this.hasPrePage = hasPrePage; 4otl_l(`yv
} aqF+zPKs6
5C/2b.-[
/** ;{k=C2
* @return Returns the totalPage. BRb\V42i;
* 20aZI2sk`
*/ {LP
b))
publicint getTotalPage(){ Go 1(@
return totalPage; eJ)1K
} RU0i#suiz
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/** :X_CFW
* @param totalPage \eQla8s
* The totalPage to set. vQ 4}WtvA
*/ |zq4* 5
publicvoid setTotalPage(int totalPage){ Bz+.Qa+
this.totalPage = totalPage; 2{-!E ^g
} Vo,[EVL
4U?<vby
} U/Wrh($ #4
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T
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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 Q"%S~'
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个PageUtil,负责对Page对象进行构造: j$Nf%V 6Y
java代码: (S|a 9#
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/*Created on 2005-4-14*/ %ISq>A)%
package org.flyware.util.page; } B0sC%cm
$2KK:{VX
import org.apache.commons.logging.Log; >GXXjAIu/
import org.apache.commons.logging.LogFactory; bKMWWJf*'
y7z( &M@
/** .k@^KY
* @author Joa 5;mRGY
* KY$k`f6?P
*/ '. (~
publicclass PageUtil { H<`\bej,
&vkjmiAS
privatestaticfinal Log logger = LogFactory.getLog p&^J=_O
i@5)`<?
(PageUtil.class); 537?9
r<c #nD~K
/** :"<e0wDu[
* Use the origin page to create a new page X&a:g
* @param page M+poB+K.
* @param totalRecords <~{du ?4n
* @return *%\mZ,s"
*/ S/4r\6
publicstatic Page createPage(Page page, int jvHFFSK
uvnI>gv
totalRecords){ r|GY]9
return createPage(page.getEveryPage(), W;zpt|kAH
XA<ozq'
page.getCurrentPage(), totalRecords); XJgh>^R^
} h?Nek+1'
*%!M4&
/** \\:|Odd
* the basic page utils not including exception &nY;=Hv`WY
r\2vl8X~
handler +ZA)/
* @param everyPage B+] D5K
* @param currentPage E!J=8C.:
* @param totalRecords $wV1*$1NM
* @return page >2b`\Q*<
*/ rp's
publicstatic Page createPage(int everyPage, int m\ S\3n
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currentPage, int totalRecords){ icgJ;Q 5
everyPage = getEveryPage(everyPage); Bz /@c)
currentPage = getCurrentPage(currentPage); 1%~[rnQ
int beginIndex = getBeginIndex(everyPage,
q0&$7GH4
y$b]7O
currentPage); `Ye8
Q5v"]
int totalPage = getTotalPage(everyPage, 'T,c.Vj)
h|bT)!|
totalRecords); w0w1PE-V=
boolean hasNextPage = hasNextPage(currentPage, h3!$r~T!a:
kWhr1wR1
totalPage); #%$28sxB
boolean hasPrePage = hasPrePage(currentPage); wL}l`fRB
IP3E9z_L
returnnew Page(hasPrePage, hasNextPage, XNehPZYS
everyPage, totalPage, C <B<o[:H
currentPage, bT)]'(Xy
L',mKOej
beginIndex); 6N~q`;p0
} AjkW0FB:1
V'DA[{\*
privatestaticint getEveryPage(int everyPage){ UZ2TqR
return everyPage == 0 ? 10 : everyPage; MHi8E9_O
} )Si2u5
Ps4 ZFX
privatestaticint getCurrentPage(int currentPage){ wN=;i#
return currentPage == 0 ? 1 : currentPage; (JUZCP/ \
} `P}9i@C
$}GTG'*.
privatestaticint getBeginIndex(int everyPage, int F;q#&
2%B'3>a
currentPage){ -WJ?:?'
return(currentPage - 1) * everyPage; F$V/K&&W
} !do?~$Og
+ B}0=Ex$t
privatestaticint getTotalPage(int everyPage, int #%lo;W~IY
YA:nOvd@O
totalRecords){ !bnyJA
int totalPage = 0; r;&>iX4B
HKDID[d0
if(totalRecords % everyPage == 0) ! RW
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totalPage = totalRecords / everyPage; @?
c2)0
else *L4`$@l8
totalPage = totalRecords / everyPage + 1 ; Lel|,mc`k2
NZ0O,}m
return totalPage; 5PT5#[
} Q~{H@D`<
=u[k1s?
privatestaticboolean hasPrePage(int currentPage){ Wb}c=hZv
return currentPage == 1 ? false : true; yQNV@T<o
} P"/G
n>>Qn&ym
privatestaticboolean hasNextPage(int currentPage, k,yZ[n|`
5=|hC3h
int totalPage){ QXgE
dsw
return currentPage == totalPage || totalPage == )wvHGecp*
Ho;X4lo[j
0 ? false : true; <h-vjz
} A/7{oB:a
,Wbwg
*)M49a*UD
} c yyVg!+
7&qy5y-Ap
6!'3oN{
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`-h8vj5uG
上面的这两个对象与具体的业务逻辑无关,可以独立和抽象。 0'YG6(h
wMqX)}>
面对一个具体的业务逻辑:分页查询出User,每页10个结果。具体 ?iI4x%y
eqw0]U\pv
做法如下: a`[uNgDO
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 a2'^8;U*_
L|P5=/d
的信息,和一个结果集List: d?`ny#,GB
java代码: aE;le{|!({
scLn=
fC,:{}
/*Created on 2005-6-13*/ t3(]YgF
package com.adt.bo; J &pO%Q=b
?T9(Vw
import java.util.List; .sC?7O=
(8.Z..PH
import org.flyware.util.page.Page; }J">}j]/
TJ q~)Bm
/** m< _S_c
* @author Joa 3 @ak<9&
*/ 'u4<BQVV[
publicclass Result { }by;F9&B
^?7`;/
private Page page;
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private List content; 0U%f)mG
QUU;g 2k
/** vVE2m=!v
* The default constructor 1N7Kv4,
*/ ]QzGE8jp*
public Result(){ a}%#*J)!
super(); =|3fs7
} %3NqSiMs
8"sb;
/** uwz)($~bp
* The constructor using fields <Utnz)
* K+;e4_\
* @param page q#<^ ^4U
* @param content 0 stc9_O
*/ JSW^dw&
public Result(Page page, List content){ |B?27PD
this.page = page; Re P|UH
this.content = content; X!e[GJ
} $5Xh,DOg
#Q2Y&2`yGT
/** Y.g59X!Ub2
* @return Returns the content. H&:jcgV*P
*/ U2bjFLd"
publicList getContent(){ cWoPB
_
return content; \v'p/G)g
} tmQH|'>>
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/** /YZr~|65
* @return Returns the page. xuqv6b.
*/ x>Zn?YR,"
public Page getPage(){ NR`C(^}
return page; {zMU#=EC
} "?V0$-DR
|&RU/ a
/** N<~t3/Nm
* @param content 28 ?\
* The content to set. Q_[ 3`jl
*/ O^oWG&Y;v
public void setContent(List content){ z^'gx@YD*v
this.content = content; S:h{2{
} HZ'_r cv
0u;4%}pD
/** |Y?HA&
* @param page zd@m~V
* The page to set. < 1uZa
*/ rJGf.qJJ
publicvoid setPage(Page page){ wK?vPS
this.page = page; Tj:B!>>
} |S_eDjF
} -[cTx[Z,
HMSO=)@+
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8fl`r~bqZ
ZrsBm_Rx
2. 编写业务逻辑接口,并实现它(UserManager,
/;oX)]W
gt@m?w(
UserManagerImpl) kqFP)!37
java代码: '<"s \,
@7IIM{
f&Gt|
/*Created on 2005-7-15*/ }H^+A77v
package com.adt.service; )h7<?@wv&
e )d`pQ6
import net.sf.hibernate.HibernateException; lhy*h_>
?l9XAWt\
import org.flyware.util.page.Page; D]zwl@sRX:
8X[:j&@
import com.adt.bo.Result; U/!TKic+
37s0e;aF
/** ,J+}rPe"sf
* @author Joa 'uBu6G
*/ 4y|BOVl
publicinterface UserManager { 'Gj3:-xqL
9Z4nAc
public Result listUser(Page page)throws RoPRQCE
3}}38A|4
HibernateException; I>W=x'PkLn
6 (]Dh;gC
} _852H$H\
p {T*k'
]'&LGA`
'=b/6@&
{*G9|#[/@
java代码: ].-1v5
h`^jyoF"(
dYJ(!V&
/*Created on 2005-7-15*/ y
[}.yyye
package com.adt.service.impl; UtoT
Te"ioU?.
import java.util.List; k\5c|Wq|g
h9}+l
import net.sf.hibernate.HibernateException; Hj^1or3R]
]Sf]J4eQ
import org.flyware.util.page.Page; -t!~%_WCv
import org.flyware.util.page.PageUtil; (A9Fhun
rNXQf'*I
import com.adt.bo.Result; zdB^S%cztS
import com.adt.dao.UserDAO; ~vm%6CABM
import com.adt.exception.ObjectNotFoundException; Z^3rLCa
import com.adt.service.UserManager; Fs9!S a7v
?9
<:QE;I>
/** aTH{'mN
* @author Joa +$ 'Zf0U
*/
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publicclass UserManagerImpl implements UserManager { 'DP1,7
75T%g!c#
private UserDAO userDAO; (7wc *#}
5_GYrR2
/** M\uiq38
* @param userDAO The userDAO to set. +%<(E
*/ W+I!q:p4H
publicvoid setUserDAO(UserDAO userDAO){ /:m->
T
this.userDAO = userDAO; em%4Ap
} Ni9/}bb
n<LEler#M
/* (non-Javadoc) ?WGA?J %2
* @see com.adt.service.UserManager#listUser %~4M+r6T
-_=nDH
(org.flyware.util.page.Page) ,LHn90S
*/ 3c-GY:VkLM
public Result listUser(Page page)throws ~~D{spMVO
ZgTW.<.%2
HibernateException, ObjectNotFoundException { {'7B6
int totalRecords = userDAO.getUserCount(); - YEZ]:"
if(totalRecords == 0) ha]VWt%}
throw new ObjectNotFoundException *&