Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 0@K:Tq-mF
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 G'2=jHzMF
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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 =O#AOw`
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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 0BB@E(*
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。 :{s%=\k {d
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分页支持类: ; eF4J
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java代码: $SzCVWS
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package com.javaeye.common.util; y3nm!tjyM
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import java.util.List; I?Jii8|W9
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publicclass PaginationSupport { /QXs-T}d
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publicfinalstaticint PAGESIZE = 30; '}+X,Usm
LAY)">*49H
privateint pageSize = PAGESIZE; Flujwh@rg
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privateList items; 9LEilmPs
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privateint totalCount; |5IY`;+9
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privateint[] indexes = newint[0]; Pkx(M E
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privateint startIndex = 0; v^],loi<V
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public PaginationSupport(List items, int aY[ 0A_
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totalCount){ oiv2rOFu
setPageSize(PAGESIZE); 8<-oJs_o+
setTotalCount(totalCount); 5d?!<(e6
setItems(items); JNFT6T)T15
setStartIndex(0); ?gR\A8:8
} nG^M 2)(8
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public PaginationSupport(List items, int wEfz2Eq
C*s0r;
totalCount, int startIndex){ rF'^w56
setPageSize(PAGESIZE); LbV]JP
setTotalCount(totalCount); %V %#y $l
setItems(items); o;VkoYV
setStartIndex(startIndex); j,56Lh%1
} loC5o|Wh
3KG) 6)1*
public PaginationSupport(List items, int 4ljvoJ}xjr
]\a\6&R
totalCount, int pageSize, int startIndex){ B)*#g
setPageSize(pageSize); }&(E#*>x
setTotalCount(totalCount); h#@4@x{
setItems(items); QBfhyo_
setStartIndex(startIndex); 64!ame}n+
} W\>^[c/
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publicList getItems(){ bL'#
return items; 4VmCW"b7h
} )"_Ff,9Z!
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publicvoid setItems(List items){ wI@zPVY_i
this.items = items; w(V?N' [
} Ql q#Zdru
2%5^Fi
publicint getPageSize(){ ?79SP p)oo
return pageSize; !qTpQ5Dm
} oBRm\8 2|
8tV=fSHd
publicvoid setPageSize(int pageSize){ EFRZ% Y
this.pageSize = pageSize; w%8ooQ|C
} Krp
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publicint getTotalCount(){ )l!J$X+R
return totalCount; h{W$ fZc<
} . QQ?w
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publicvoid setTotalCount(int totalCount){ + 9\:$wMN
if(totalCount > 0){ 8Fd1;G6
this.totalCount = totalCount; N;C"X4rV
int count = totalCount / "$~}'`(]
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pageSize; ^I(oy.6?=p
if(totalCount % pageSize > 0) 3yHb!}F
count++; N"Y K@)*Q
indexes = newint[count]; n&0mz1rw
for(int i = 0; i < count; i++){ T.Pklty
indexes = pageSize * L9{mYA]q
jU]]:S4xD/
i; `P ^u:
} Sl. KLc@@
}else{ [!J
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this.totalCount = 0; Q?
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} ?qf:_G
} ch0oFc$
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publicint[] getIndexes(){ 3 {NaZIk
return indexes; 2?Pt Z
} Q$xa
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publicvoid setIndexes(int[] indexes){ }g>dn
this.indexes = indexes; HF&h
} 7oZ@<QP'
nd $H
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publicint getStartIndex(){ |~@x4J5,
return startIndex; aW0u8Dz
} RNv{n
mf
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publicvoid setStartIndex(int startIndex){ 0Y5LDP
if(totalCount <= 0) v%H"_T
this.startIndex = 0; Jh37pI
elseif(startIndex >= totalCount) mJ0}DJiX$
this.startIndex = indexes ZR!cQ oV=
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[indexes.length - 1]; Ci]'G>F@"
elseif(startIndex < 0) tMxsR>sH
this.startIndex = 0; F5FNhuC
else{ 0hrCG3k.91
this.startIndex = indexes 0V<Aub[${
x r-;,W
[startIndex / pageSize]; Np.no$_
} ZB~l2
} rnnX|}J
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publicint getNextIndex(){ Q^$ghZ6V
int nextIndex = getStartIndex() + ZhhI@_sz
- *:p.(c
pageSize; 5~@?>)TBv
if(nextIndex >= totalCount) %/UV_@x&
return getStartIndex(); [3t0M5x w
else Dh
hG$
return nextIndex; XMt
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} u|(Ux~O
4^0d)+Ff
publicint getPreviousIndex(){ w+t# Yb\7
int previousIndex = getStartIndex() - 7V~
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pageSize; _REqT
if(previousIndex < 0) `+roQX.p
return0; Z7JKaP9{:
else Of-C
return previousIndex; Gx.P]O 3
} O4m(Er@a
A5sf
} "/Y<G
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q}#iV$dAj
抽象业务类 |:./hdcad
java代码: IZO@V1-m
Wu4ot0SZ
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/** 6XdWm
* Created on 2005-7-12 MMMqG`Px
*/ 5,S,\O9>X
package com.javaeye.common.business; *%:@
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&svx@wW
import java.io.Serializable; ^`tk/#h\9F
import java.util.List; 7e1dEgn
z<a$q3!#
import org.hibernate.Criteria; I`22Zwq:
import org.hibernate.HibernateException; T36x=LX
import org.hibernate.Session; yC
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import org.hibernate.criterion.DetachedCriteria; ITVQLQ
import org.hibernate.criterion.Projections; 8s<^]sFP
import A'GlCp
ovo/!YJ2
org.springframework.orm.hibernate3.HibernateCallback; &B}Lo
import 5B1G?`]?
q7|:^#{av
org.springframework.orm.hibernate3.support.HibernateDaoS os[ZIHph
L~IE,4
upport; H#+\nT2m
O#vn)+Y,*
import com.javaeye.common.util.PaginationSupport; q %>7L<r
@|BD|{k
public abstract class AbstractManager extends GMz8B-vk
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HibernateDaoSupport { b6|Z"{TI
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privateboolean cacheQueries = false; R<|ejw
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privateString queryCacheRegion; <|a=hHPi:
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publicvoid setCacheQueries(boolean t)} \9^Uo
#:#Dz.$L
cacheQueries){ RwW$O@0
this.cacheQueries = cacheQueries; L=RGL+f1_
} fp{G|.SA
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publicvoid setQueryCacheRegion(String &iNS?1a%f=
}z
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queryCacheRegion){ 3htq[Ren
this.queryCacheRegion = DVh)w}v
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queryCacheRegion; /g@^H/DO
} L6+C]t}>6
n?:2.S.8
publicvoid save(finalObject entity){ 0 _A23.Y
getHibernateTemplate().save(entity); H-,TS^W
} 4z_n4=
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publicvoid persist(finalObject entity){ hbI;Hd
getHibernateTemplate().save(entity); 1[-vD=
} WL
U }
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publicvoid update(finalObject entity){ V&*D~Jq
getHibernateTemplate().update(entity); |9IC/C!HC
} OxQYNi2
Jf_%<\ O
publicvoid delete(finalObject entity){ t'g^W
getHibernateTemplate().delete(entity); 9i=B
} 6+3 $:?
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publicObject load(finalClass entity, ~}Z'0W)Q`z
Vb!O8xV4;+
finalSerializable id){ Fp%Ln(/m
return getHibernateTemplate().load Y:psZ
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(entity, id); kRlA4h1u_$
} TH4\HY9qa?
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publicObject get(finalClass entity, h5GU9M
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finalSerializable id){ 1nI^-aQ3
return getHibernateTemplate().get 1e}8LH7
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(entity, id); n]y EdL/1
} cWa)#:JOV
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publicList findAll(finalClass entity){ e2w&&B-
return getHibernateTemplate().find("from H}ZQ?uK;
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" + entity.getName()); %3o`j<
} q0./O|Dj
5 1dSFr<#
publicList findByNamedQuery(finalString 7\Fs=\2l+'
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namedQuery){ lH2wG2
return getHibernateTemplate Ig \#f
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().findByNamedQuery(namedQuery); 0*F}o)n/m
} \/5RL@X}
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publicList findByNamedQuery(finalString query, `u
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finalObject parameter){ rHz||jjU
return getHibernateTemplate M 2q"dz
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().findByNamedQuery(query, parameter); BRv x[u
} {whvTN1#dh
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publicList findByNamedQuery(finalString query, ,[!LCXp
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finalObject[] parameters){ L,LNv
return getHibernateTemplate M;.ZM<Ga
W?Ww2Lo%Y
().findByNamedQuery(query, parameters); >:1P/U
} RU#F8O
1/Zh^foG
publicList find(finalString query){ =#xK=pRy;
return getHibernateTemplate().find e0HfP v_
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(query); SA"8!soY3
} J'T=q/
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publicList find(finalString query, finalObject *rh,"Zo
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parameter){ L.'}e{ldW
return getHibernateTemplate().find Jkt4@h2Q}
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(query, parameter); "Cz<d w]D
} ~O6\6$3b5E
nH-V{=**
public PaginationSupport findPageByCriteria $XnPwOj
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(final DetachedCriteria detachedCriteria){ Zjh2{ :
return findPageByCriteria cr;`Tl~}s
,5Vt]#F5@
(detachedCriteria, PaginationSupport.PAGESIZE, 0); jp2Q9Z
} r'7LR
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public PaginationSupport findPageByCriteria s Be7"^
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(final DetachedCriteria detachedCriteria, finalint z@ 35NZn
EHf\L
startIndex){ `'S0*kMT
return findPageByCriteria 9 ;i\g=
2f~($}+*
(detachedCriteria, PaginationSupport.PAGESIZE, %;xOB^H^
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startIndex); p{$p
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} F>hZ{
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public PaginationSupport findPageByCriteria yYZxLJ='
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(final DetachedCriteria detachedCriteria, finalint u9qMqeF
w n|]{Ww35
pageSize, ""iaGH+Cxw
finalint startIndex){ Vr.Y/3N&'
return(PaginationSupport) dtt ~ Bd
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getHibernateTemplate().execute(new HibernateCallback(){ s%4M$e
publicObject doInHibernate RW'nUL?_\
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(Session session)throws HibernateException { ay
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Criteria criteria = #U
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detachedCriteria.getExecutableCriteria(session);
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int totalCount = (qMj-l
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((Integer) criteria.setProjection(Projections.rowCount #dxgB:l)%l
8 .>/6M
()).uniqueResult()).intValue(); pKG<Nvgz&
criteria.setProjection (5L-G{4
kS5_
(null); :iWS\G^U
List items = B=f,QU
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criteria.setFirstResult(startIndex).setMaxResults ,MPB/j^o5!
o+B:#@9?
(pageSize).list(); #]WqM1u
PaginationSupport ps = !A3-0zN!
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new PaginationSupport(items, totalCount, pageSize, `_ %S
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startIndex); PUJ2`iP1^3
return ps; 68fiG
} G"5D< ]
}, true); Lo.rvt
} am1[9g8L
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public List findAllByCriteria(final 0fXLcal
,8'>R@o
DetachedCriteria detachedCriteria){ n{0Ld -zH
return(List) getHibernateTemplate qFX~[h8i+
U @v*0
().execute(new HibernateCallback(){ PXoz*)tk
publicObject doInHibernate ?4H#G)F
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(Session session)throws HibernateException { @oP_;G
Criteria criteria = #65^w=Sp}
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8aaD>OR$
detachedCriteria.getExecutableCriteria(session); B_`y|sn
return criteria.list(); ~T7B$$
} WUc#)EEM)
}, true); {~GYj%-^
} Rgy-OA
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public int getCountByCriteria(final ^[E'1$D
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DetachedCriteria detachedCriteria){ Dn9w@KO
Integer count = (Integer) p^kUs0$GS
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getHibernateTemplate().execute(new HibernateCallback(){ N{SQ(%V
publicObject doInHibernate ^$>XW\yCs
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(Session session)throws HibernateException { j1 q[2'
Criteria criteria = s.Y4pWd5@
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detachedCriteria.getExecutableCriteria(session); Di_2Plo)4
return 5wao1sd#
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criteria.setProjection(Projections.rowCount =WdaxjenZ/
-{XRA6
()).uniqueResult(); O`GsS{$sS
} r~-.nb"P
}, true); s&kQlQ=
return count.intValue(); >>b3ZE|5
} ,C.:;Ime({
} D-Vai#Cd
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用户在web层构造查询条件detachedCriteria,和可选的 qSqI7ptA\
keW~ NM
startIndex,调用业务bean的相应findByCriteria方法,返回一个 PP~rn fE
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PaginationSupport的实例ps。 anw}w!@U
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ps.getItems()得到已分页好的结果集 v0D q@Q1
ps.getIndexes()得到分页索引的数组 &c(WE
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ps.getTotalCount()得到总结果数 $mmup|;(
ps.getStartIndex()当前分页索引 >h2%[j=
ps.getNextIndex()下一页索引 9Etz:?)b
ps.getPreviousIndex()上一页索引 iI@jZVk
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s5.AW8X=?*
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 !MDNE*_
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,尤其是上面的示例代码,让我着实觉得该对我原来的分页查询做 u<q :$
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一下代码重构了。 > oA?6x
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我把原本我的做法也提供出来供大家讨论吧: "\Egs)\
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首先,为了实现分页查询,我封装了一个Page类: \~d";~Y`
java代码: V@7KsB
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/*Created on 2005-4-14*/ v%k9M{
package org.flyware.util.page; lkyzNy9R
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/** ""Zp:8o
* @author Joa ^JZ^>E~
* \\BCcr\l
*/ 9YsR~SM
publicclass Page { F62V3 Xy
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/** imply if the page has previous page */ 7"7rmZ
privateboolean hasPrePage; cYx4~ V^
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/** imply if the page has next page */ ihh4pD27g
privateboolean hasNextPage; Q9d`zR]
MS(JR
/** the number of every page */ yKXff1^M
privateint everyPage; e__@GBG
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/** the total page number */ l$K,#P<)
privateint totalPage; AM"Nn
L"
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/** the number of current page */ Q6o(']0
privateint currentPage; R1F5-#?'E
{7!UQrm<
/** the begin index of the records by the current )eUW5
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query */ p~ C.IG
privateint beginIndex; +jg9$e "
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/** The default constructor */ cJM:
public Page(){ mrm^e9*Z
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} SVjl~U-^
,+qVu,
/** construct the page by everyPage 22kp l)vbU
* @param everyPage 2,lqsd:xM
* */ "#v=IJy&r
public Page(int everyPage){ vHAg-Avc
this.everyPage = everyPage; 7iHK_\t n
} 2L AYDaS
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/** The whole constructor */ h8\
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public Page(boolean hasPrePage, boolean hasNextPage, th6+2&B6
Qn ^bVhG+
iv phlw
int everyPage, int totalPage, 5L:1A2Z?c
int currentPage, int beginIndex){ |AlR^N
this.hasPrePage = hasPrePage; yNm:[bOER
this.hasNextPage = hasNextPage; Z5c~^jL$-
this.everyPage = everyPage; /h v4x9
this.totalPage = totalPage; k3+e;[My+
this.currentPage = currentPage; Rwr 2gMt7
this.beginIndex = beginIndex; )s1Ib4C
} K:'q>D@
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/** ZEYgK)^
* @return |F.)zC5{
* Returns the beginIndex. 7?B.0>$3>V
*/ o!:8nXw
publicint getBeginIndex(){ >5R<;#8
return beginIndex; J$~<V
IX
} _U;eN|Ww
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/** [-&L8Un
* @param beginIndex 7_2kDDW0
* The beginIndex to set. <foCb%$(?
*/ %>g W9}kB
publicvoid setBeginIndex(int beginIndex){ #W.vX?-'0
this.beginIndex = beginIndex; y=Mq(c:'UN
} b':|uu*/
}F+zs*S
/** Qu,8t8
* @return d:G]1k;z
* Returns the currentPage. I@Xn3oN
*/ O]f/r,4@
publicint getCurrentPage(){ 3] 1-M
return currentPage; E;21?`x5
} IVlf=k
)
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/** [~:-&
* @param currentPage SWp1|.=Sm
* The currentPage to set. zqDR7+]
*/ ogFKUD*h&>
publicvoid setCurrentPage(int currentPage){ x{NX8lN
this.currentPage = currentPage; z} '! eCl
} *m%]zj0bo
$+}+zZX5
/** FgL,k
* @return +n}$pM|NKU
* Returns the everyPage. 6<0n *&
*/ %gnM(pxl
publicint getEveryPage(){ gX{loG
return everyPage; TpA\9N#$
} fQLt=Lrp
,@m@S^
/** Q-#$Aa
* @param everyPage p;?*}xa
* The everyPage to set. iYnEwAoN;
*/ LQnkcV
publicvoid setEveryPage(int everyPage){ m\/ Tj0e
this.everyPage = everyPage; ^\B:R,
} Kb =@ =Xta
Z ,^9Z
/** ^IKO2Ft
* @return `IYuz:
* Returns the hasNextPage. p0.|<
*/ M4ozTp<$O
publicboolean getHasNextPage(){ K/ &?VIi`z
return hasNextPage; ND<!4!R^
} 8@NH%zWBp
:Q+5,v-c
/** I ];M7
* @param hasNextPage #k3t3az2{
* The hasNextPage to set. 1_$xSrwcF
*/ :V)lbn\
publicvoid setHasNextPage(boolean hasNextPage){ B12$I:x`
this.hasNextPage = hasNextPage; C0=9K@FCb
} y}C`&nW[=
J/7R\;q`~o
/** ?=GXqbS"
* @return 8+mH:O
* Returns the hasPrePage. S'dV>m`
*/ 6.t',LTB
publicboolean getHasPrePage(){ I2(zxq&2M\
return hasPrePage; CukC6ub
} _WX#a|4h{
569}Xbc/
/** $4jell
* @param hasPrePage +7Kyyu)y@
* The hasPrePage to set. ( *G\g=D
*/ kF7(f|*
publicvoid setHasPrePage(boolean hasPrePage){ *`(
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this.hasPrePage = hasPrePage; T^Ab!O
} lCW8<g^
~}Z\:#U
/** ,(a5 @H$f
* @return Returns the totalPage. avmcw~
TF
* 2/,0iwj-
*/ uH3D{4
publicint getTotalPage(){ D+lzFn$3
return totalPage; lq.Te,Y%w
} @eqeN9e
B*!WrB:s
/** 4YZS"K'E
* @param totalPage 5=(c%
* The totalPage to set. Ba\6?K
*/ SM[Bv9|0
publicvoid setTotalPage(int totalPage){ 2A4FaBq"
this.totalPage = totalPage; 2?@j~I=s2h
} p}Fs'l?7Rq
wix5B@
} Li 2Zndp
wwKh CmH
n(~\l#o@
L.6WiVP)
doHF|<s
上面的这个Page类对象只是一个完整的Page描述,接下来我写了一 5>9Y|UU
JT[*3h
个PageUtil,负责对Page对象进行构造: uhN%Aj\iu(
java代码: fIoIW&iy
h5
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+b;hBb]R
/*Created on 2005-4-14*/ W{XkVKe1a
package org.flyware.util.page; S\y%4}j
Z,N$A7SBE
import org.apache.commons.logging.Log; 7iuQ9q^&
import org.apache.commons.logging.LogFactory; w^K^I_2ge
I
PE}gp
/** _eLWQ|6Fx
* @author Joa 59(U `X
* QD{:vG
g
*/ `h;k2Se5
publicclass PageUtil { lC97_T
dAJ,x
=`
privatestaticfinal Log logger = LogFactory.getLog '+<(;2Z
vL
F?Ju??O
(PageUtil.class); \^*<
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Y^$HrI(vq
/** P+e KZo
* Use the origin page to create a new page "a1O01n
* @param page Fb2%!0i
* @param totalRecords _RMQy~&b
* @return ~
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*/ {TXOQ>gY
publicstatic Page createPage(Page page, int $#o1MX
mxrG)n6Y
totalRecords){ vUQFQ
return createPage(page.getEveryPage(), 7J >Gd
eX&Gw{U-f
page.getCurrentPage(), totalRecords); ~E4"}n[3A#
} oN[Th
>=ot8%.!,B
/** "$p#&W69"J
* the basic page utils not including exception H;<!TX.zD
HU
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handler (.K\Jg'Y6j
* @param everyPage \zXlN
* @param currentPage e^).W3SK]
* @param totalRecords =4C}{IL
* @return page x_@i(oQ:_
*/ y_F}s9wj
publicstatic Page createPage(int everyPage, int ?4PQQd
{I%y;Aab8
currentPage, int totalRecords){ jigs6#
everyPage = getEveryPage(everyPage); Iyk6=&?j
currentPage = getCurrentPage(currentPage); LR)&
[{Kk
int beginIndex = getBeginIndex(everyPage, ']51jabm
#;9H@:N
currentPage); |oKu=/[K
int totalPage = getTotalPage(everyPage, !7lj>B A>
WbjF]b\
totalRecords); #/J
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boolean hasNextPage = hasNextPage(currentPage, Uv?'m&_
{sN"(H4$
totalPage); lpQP"%q
boolean hasPrePage = hasPrePage(currentPage); TZ^LA
L'8_
aP~gaSx
returnnew Page(hasPrePage, hasNextPage, ph30'"[Z}
everyPage, totalPage, Qb^q+C)o]
currentPage, wN]J8Ir
;M
v~yb3v
beginIndex); {'3D1#SK
} ,-*iCs<
jy$@a%FD
privatestaticint getEveryPage(int everyPage){ _45cH{$sA
return everyPage == 0 ? 10 : everyPage; O@U?IF$
} ,^T]UHRO
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privatestaticint getCurrentPage(int currentPage){ |:iEfi]j
return currentPage == 0 ? 1 : currentPage; ~P1_BD(
} Unl?fXI
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privatestaticint getBeginIndex(int everyPage, int &a~=b,
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currentPage){ c;!g
return(currentPage - 1) * everyPage; `bgb*Yaod
} ;"7/@&M\m
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privatestaticint getTotalPage(int everyPage, int 5rN_jC*U
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totalRecords){ 9 pKm*n&
int totalPage = 0; l)}t,!M6
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if(totalRecords % everyPage == 0) @@pq'iRn
totalPage = totalRecords / everyPage; $+VgDe5{S
else F?*k}]Gi
totalPage = totalRecords / everyPage + 1 ; [!+D<Y
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return totalPage; Y}1P~
} c>MY$-PD
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privatestaticboolean hasPrePage(int currentPage){ t[O+B6
return currentPage == 1 ? false : true; Qilj/x68
} v5Y@O|i#
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privatestaticboolean hasNextPage(int currentPage, )+GX<2_
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int totalPage){ &-F"+v,+
return currentPage == totalPage || totalPage == u8uW9 <
@
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0 ? false : true; ~= 9Vv
} twbcuaCTW
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)+B=z}:Nfz
} (4ZLpsbJ
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# ITLz!gE
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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。 5rF /323z
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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 }9}w8R~E
N[ Q#R~Hn<
做法如下: {{zua-F
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 r`>~Lp`
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的信息,和一个结果集List: 2mOfsn d@
java代码: AO8:|?3S
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yy))Z0E5
/*Created on 2005-6-13*/ =#'+"+lQ }
package com.adt.bo; GU#Q}L2
G;9|%yvd8
import java.util.List; {.#j1r4J`
!G>(j
import org.flyware.util.page.Page; C zpsqTQ
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/**
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* @author Joa VS%@)sI|Z
*/ C&oxi$J:p+
publicclass Result { V%o#AfMI_
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private Page page; ])68wqD
-_w~JCx
private List content; {"}+V`O{
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/** yHtGp%j
* The default constructor `x< 0A
*/ (V^QQ !:
public Result(){ [BE:+ ID3
super(); )_F(H)*
} h+
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/** 6i^0T
* The constructor using fields ~Cu lFxu
* (A|B@a!Y>
* @param page o:f|zf>
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* @param content |oFI[PE
*/ O{*GW0}55
public Result(Page page, List content){ /o'oF
this.page = page; i!y\WaCp
this.content = content; d^_itC;-,
} f0g6g!&gf
=X<)5IS3
/** Hq79/wKj
* @return Returns the content. QZ:v
*/ ;7)OSGR
publicList getContent(){ AV9:O{
return content; 6J]~A0vsi}
} V9gVn?O0
@eA %(C
/** mnQal>0~
* @return Returns the page. vB]3Xb3a
*/ 8[f8k3g
public Page getPage(){ @ >
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return page; H2s*s[T
-
} Y9/{0TArG
S]tkz*w0*
/** `7F@6n
* @param content MQjG<O\
* The content to set. EOofa6f&l
*/ {W]bU{%.
public void setContent(List content){ v5P*<U Ax
this.content = content; m*OLoZVy
} "@aq@mY@
55(J&q
/** ,d3Q+9/
* @param page Am]2@ESUP
* The page to set. PV?1g|tYv
*/ 6MrZ6dz^
publicvoid setPage(Page page){ #R5we3&p
this.page = page; MP_A<F
} |2[S/8g!
} )Fw
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=I
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qZ `n Zi
2. 编写业务逻辑接口,并实现它(UserManager, YLD-SS[/>
6yy|V~5
UserManagerImpl) <=#lRZW[z
java代码: 'nC3:U
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ce 7Yr*ZB
/*Created on 2005-7-15*/ n.=e)*
package com.adt.service; o",f(v&u%
UZ[/aq
import net.sf.hibernate.HibernateException; !5yRWMO9X~
bEoB;]
import org.flyware.util.page.Page; />2A<{6\=P
Xp<A@2wt?
import com.adt.bo.Result; >_|Z{:z]d.
Q$/V) 0
/** +9Xu"OFm
* @author Joa ey'pm\Z
*/ a3b2nAI l
publicinterface UserManager { >DPds~k
V:nMo2'hb
public Result listUser(Page page)throws H={O13
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HibernateException; {QIS411
!N@S^JD6
} wrZ7Sr!/V
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GQ
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!D.= 'V
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java代码: $.suu^>^w
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