Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 Fzy#!^9Nu
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 6VJS
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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 ]k+(0qxG
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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 ,pQ[e$u1
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。 jtE'T}! d
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分页支持类: &yOl}?u
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java代码:
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package com.javaeye.common.util; x(~V7L>"i
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import java.util.List; \(`C*d
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publicclass PaginationSupport { _?$w8 S%
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publicfinalstaticint PAGESIZE = 30; v!3Oq.ot
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privateint pageSize = PAGESIZE; NdXC8
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privateList items; d5R2J:dI
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privateint totalCount; ,\d03wha
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privateint[] indexes = newint[0]; sN5Mm8~
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privateint startIndex = 0; ?Jgqb3+!o
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public PaginationSupport(List items, int 8E9k7
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totalCount){ JRAU|gr
setPageSize(PAGESIZE); B8!$?1*^a
setTotalCount(totalCount); -SzCeq(p%5
setItems(items); L6ypn)l
setStartIndex(0); cFuQ>xR1
} ?MFXZ/3(ba
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public PaginationSupport(List items, int bBGg4{
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totalCount, int startIndex){ $~?)E;S
setPageSize(PAGESIZE); ^v:XON<
setTotalCount(totalCount); Ay%]l| Gm
setItems(items); nB5^
setStartIndex(startIndex); g9d/nRX&
} D}-HWJQA3
P*hYh5a
public PaginationSupport(List items, int bQI.Qk
w6^TwjjZ$
totalCount, int pageSize, int startIndex){ (Fq]y5
setPageSize(pageSize); oU*e=uehj
setTotalCount(totalCount); Y ._Om}H
setItems(items); ,jD-fL/:
setStartIndex(startIndex); .f!:@fX>=
} G%h+KTw
7; ?7q
publicList getItems(){ 57;(
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return items; ]5MT-qU
} u9]M3>
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publicvoid setItems(List items){ z(>:LX"xz
this.items = items; <7/7+_y
} .t{uzDM
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publicint getPageSize(){ _eH@G(W(
return pageSize; vB5mOXGN q
} ;$qc@)Uwp
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publicvoid setPageSize(int pageSize){ Z 8GIZ
this.pageSize = pageSize; w[EEA_\
} n-<`Z NMU
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publicint getTotalCount(){ NvpDi&i
return totalCount; OGq=OW
} L[Wi[S6=)g
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publicvoid setTotalCount(int totalCount){ &hZ6CV{
if(totalCount > 0){ "39mhX2
this.totalCount = totalCount; ~uB@o KMru
int count = totalCount / \rS-}DG
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pageSize; &rc
r>-
if(totalCount % pageSize > 0) sp0_f;bC
count++; ?;w\CS^Qu
indexes = newint[count]; Dr}elR>~G=
for(int i = 0; i < count; i++){ B>cx[.#!
indexes = pageSize * \D#+0
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i; =Fq{#sC>
} 4r7aZDVA\
}else{ OXX D}-t
this.totalCount = 0; =2}bQW
} hWbjA[a/
} avXBCvP+h
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publicint[] getIndexes(){ VHL[Y
return indexes; ";n%^I}
} l[nf"'
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publicvoid setIndexes(int[] indexes){ (F:|tiV+
this.indexes = indexes; !wro7ilMB
} jd`]]FAww
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publicint getStartIndex(){ SF[Z]|0gs
return startIndex; 9G6auk.m.O
} gDH|I;!
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publicvoid setStartIndex(int startIndex){ :`4LV
if(totalCount <= 0) LXR>M>a`
this.startIndex = 0; +>%AG&Pc
elseif(startIndex >= totalCount) 'sk M$jr
this.startIndex = indexes z34+1d
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[indexes.length - 1]; ^vOEG;TR<-
elseif(startIndex < 0) 5?E;YyA
this.startIndex = 0; ]Rmu+N|
else{ F5w=tK
this.startIndex = indexes =[gFaB_H
D2\Ep L/
[startIndex / pageSize]; HDs8 M
} :"+3Uk2
} *kJa$3*r
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publicint getNextIndex(){ ya;(D 8x)
int nextIndex = getStartIndex() + Jf@Xz7{z
q+lCA#Sx
pageSize; =Q!V6+}nY^
if(nextIndex >= totalCount) Jp~[Dm
return getStartIndex(); DuC_uNJ
else ~UsE"5
return nextIndex; ,JJ1sf2A
} 3b<;y%
9a'}j#mJo
publicint getPreviousIndex(){ $^#q0Yx
int previousIndex = getStartIndex() - OoZv\"}!_
2d&HSW
pageSize; >R\!Qk
if(previousIndex < 0) 6%&w\<(SG
return0; 8%b-.O:_$
else i6^-fl
return previousIndex; o;pJjC]
} hCj8y.X|E(
mWVq>~
} )Qo^Mz
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}jNVR#D:
.WGrzhsV
抽象业务类 u>2opI~m
java代码: yJ8_<A
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/**
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* Created on 2005-7-12 9['>$ON
*/ 1Msc:7:L
package com.javaeye.common.business; 3gW+|3E
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import java.io.Serializable; hWr}Uui
import java.util.List; ,B,0o*qc{K
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import org.hibernate.Criteria; asYUb&Hz88
import org.hibernate.HibernateException; _^F%$K6
import org.hibernate.Session; =jRC4]M})
import org.hibernate.criterion.DetachedCriteria; nA+gqY6 6|
import org.hibernate.criterion.Projections; 1]7v3m
import p4Xhs@.k
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org.springframework.orm.hibernate3.HibernateCallback; : Z3]Dk;y
import nTz(
{q
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org.springframework.orm.hibernate3.support.HibernateDaoS HB}iT1.`
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upport; 2K{)8;^
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import com.javaeye.common.util.PaginationSupport; 4/&.N]
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public abstract class AbstractManager extends `Fb%vYf
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HibernateDaoSupport { QV=|'
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<T$rvS
privateboolean cacheQueries = false; en16hd>^W:
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privateString queryCacheRegion; h{e?Fl
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publicvoid setCacheQueries(boolean qB3=wFI
@P<Mc)o^
cacheQueries){ ` =I@W
this.cacheQueries = cacheQueries; ],f%:
?%50
} FW"gj\
? UBE0C
publicvoid setQueryCacheRegion(String 5Yx
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queryCacheRegion){ ->&amPv
this.queryCacheRegion = '\Uy;,tu /
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queryCacheRegion; Yg]!`(db
} Kd3EZo.
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publicvoid save(finalObject entity){ w?M` gl8r
getHibernateTemplate().save(entity); >jm^MS=
} x)e(g}n
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publicvoid persist(finalObject entity){ F6
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getHibernateTemplate().save(entity); ,<=_t{^
} t~
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publicvoid update(finalObject entity){ TiSV`V q
getHibernateTemplate().update(entity); ??g
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} ]goPjfWvU"
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publicvoid delete(finalObject entity){ iiV'-!3w
getHibernateTemplate().delete(entity); DbH'Qs?z
} WL1$LLzN
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publicObject load(finalClass entity, {o8K&XU#&t
!]!J"!xg*
finalSerializable id){ Qy|6A@
return getHibernateTemplate().load u S{WeL6%
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(entity, id); p~Mw^SN'
} 1tFx
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publicObject get(finalClass entity, 6Vy4]jdT5
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finalSerializable id){ nbSu|sX~r5
return getHibernateTemplate().get HmRmZ3~
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(entity, id); w(R+p/RF
} Cq<k(TKAX
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publicList findAll(finalClass entity){ O|0} m
return getHibernateTemplate().find("from Xa&0j&AH
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" + entity.getName()); C)+%9Edg
} Cg%}=
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publicList findByNamedQuery(finalString 9lSs;zm{Q
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namedQuery){ 8\e8$y3
return getHibernateTemplate (^LR9 CW
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().findByNamedQuery(namedQuery); WlnS.P\+E
} )W3kBDD
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publicList findByNamedQuery(finalString query, =-n7/
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finalObject parameter){ lxOUV? m^N
return getHibernateTemplate p!2t/XIM
tcj3x<
().findByNamedQuery(query, parameter); hg}R(.1K=
} ~X1<x4P\
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publicList findByNamedQuery(finalString query, r[ RO"Ej"
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finalObject[] parameters){ 2B=+p83<
return getHibernateTemplate ,:?=j80m
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().findByNamedQuery(query, parameters); <+e&E9;>6
} q|N4d9/b
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publicList find(finalString query){ ]gB:ht
return getHibernateTemplate().find q%8Ck)xz
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(query); $ D(q
} 2"L a}Vx2
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publicList find(finalString query, finalObject kaZ_ra;<
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parameter){ 3Vb/Mn!k
return getHibernateTemplate().find ??=su.b
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(query, parameter); (t2vt[A6ph
} )TyI~5>;
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public PaginationSupport findPageByCriteria !jyy`q=
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(final DetachedCriteria detachedCriteria){ 'n!kqP
return findPageByCriteria R'p-
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(detachedCriteria, PaginationSupport.PAGESIZE, 0); 3"iJ/Hc}9
} }i@%$Ixsn
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public PaginationSupport findPageByCriteria x_.}C%
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(final DetachedCriteria detachedCriteria, finalint 8WMGuv
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startIndex){ vB1nj<]&z
return findPageByCriteria gatxvR7H
_gI1@uQw
(detachedCriteria, PaginationSupport.PAGESIZE, ed4`n!3
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startIndex); LFPYnK
} i$S*5+
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public PaginationSupport findPageByCriteria SoL"M[O
{xJ<)^fD8
(final DetachedCriteria detachedCriteria, finalint uPBtR
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pageSize, gWHjI3;
finalint startIndex){ {
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return(PaginationSupport) ^F`\B'8MF
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getHibernateTemplate().execute(new HibernateCallback(){ @[w.!GW%
publicObject doInHibernate glgXSOj
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(Session session)throws HibernateException { 5{O9<~,
Criteria criteria = %Y<3v\`_
"BD$-]
detachedCriteria.getExecutableCriteria(session); f&L8<ASFo
int totalCount = ^?o> (K
5!}fd/}Uk
((Integer) criteria.setProjection(Projections.rowCount ,S\AUUt%
: tcqb2p
()).uniqueResult()).intValue(); ({kOgOeC
criteria.setProjection {^*D5
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(null); d}(b!q9
List items = fGMuml?[ e
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criteria.setFirstResult(startIndex).setMaxResults c-bTf$6}
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(pageSize).list(); DzE_p-
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PaginationSupport ps = ps@{1Rn1
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new PaginationSupport(items, totalCount, pageSize, E _j=v
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startIndex); W``
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return ps; /D
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} } {<L<
}, true); `*HM5 1U
} (`FY{]Wz!
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public List findAllByCriteria(final &Y|AX2KUC
/F7X"_(H
DetachedCriteria detachedCriteria){ +U*:WKdI?
return(List) getHibernateTemplate fD ?w!7f-1
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().execute(new HibernateCallback(){
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publicObject doInHibernate /[#5<;
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(Session session)throws HibernateException { 2&d|L|->
Criteria criteria = P_Ni
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detachedCriteria.getExecutableCriteria(session); k#pNk7;MZ
return criteria.list(); *-.,QpgTX
} 7)37AK w
}, true); S7WT`2
} ,G!mO,DX
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public int getCountByCriteria(final 0rj50$~$]
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DetachedCriteria detachedCriteria){ -Gmg&yQ9
Integer count = (Integer) 4&+lc*
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getHibernateTemplate().execute(new HibernateCallback(){ a7wc>@9Q,
publicObject doInHibernate ])iw|`@dJ
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(Session session)throws HibernateException { W+ D{4:
Criteria criteria = JWo).
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detachedCriteria.getExecutableCriteria(session); Y[Kpd[)[v
return J^)=8cy
}D7} %P]
criteria.setProjection(Projections.rowCount Tg\wBhJr|
<n{-&;>
()).uniqueResult(); ewORb
} 4oA9|}<FR
}, true); .rs\%M|X
return count.intValue(); diDB>W
} WDq~mi
} V4qv7
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用户在web层构造查询条件detachedCriteria,和可选的 Z@ZSn0
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 @w{"6xc%a
&JHqUVs^
PaginationSupport的实例ps。 ypV>*
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ps.getItems()得到已分页好的结果集 *nc9u"
ps.getIndexes()得到分页索引的数组 $KMxq=
ps.getTotalCount()得到总结果数 6h3TU,$r
ps.getStartIndex()当前分页索引 fs;pX/:FR
ps.getNextIndex()下一页索引 .U9A\$
ps.getPreviousIndex()上一页索引 J'#R9NO<
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 9G=HG={
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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 b5.L== >
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一下代码重构了。 SJXP}JB_
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我把原本我的做法也提供出来供大家讨论吧: tX
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首先,为了实现分页查询,我封装了一个Page类: S1G3xY$0
java代码: 1./iF>*A
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/*Created on 2005-4-14*/ 'e5,%"5(c
package org.flyware.util.page; Z|IFT1K
o]O
/** sm96Ye{O{
* @author Joa jhkNi`E7
* jO6yZt
*/ \\i$zRi
publicclass Page { /o]j
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/** imply if the page has previous page */ 9Ls=T=96
privateboolean hasPrePage; kRH;c,E@
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/** imply if the page has next page */ #,PB(
privateboolean hasNextPage; 9i*Xd$ G
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/** the number of every page */ w;(B4^?
privateint everyPage; kV:C=MLI
f+W8Gszi
/** the total page number */ ruTj#tWSo
privateint totalPage; C8bv%9
W9%B9~\G;+
/** the number of current page */ '1te(+;e@
privateint currentPage; n,.t~
k%fy
/** the begin index of the records by the current ^#)M,.G^
|cd=7[B
query */ 4,P!D3SH
privateint beginIndex; Qb~&a1&s#
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^":Dk5gl
/** The default constructor */ +KKx\m*
public Page(){ K}1eQS&$a
3&ES?MyB#
} IQA<xqX
;$>wuc'L
/** construct the page by everyPage ;_<K>r*
* @param everyPage gP 6`q
* */ c0M>CaKD
public Page(int everyPage){ J0a#QvX!
this.everyPage = everyPage; "Ir.1FN
} xzjG|"a[GB
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/** The whole constructor */ wc7F45l4
public Page(boolean hasPrePage, boolean hasNextPage, *zn=l+c
<=7N2t)s4
K`% I!Br
int everyPage, int totalPage, @!zT+W&
int currentPage, int beginIndex){ cA]Ch>]A%
this.hasPrePage = hasPrePage; >(:b\*C
this.hasNextPage = hasNextPage; UOtrq=y
this.everyPage = everyPage; {%Ujp9i
this.totalPage = totalPage; I'%(f@u~
this.currentPage = currentPage; D"RxI)"HP
this.beginIndex = beginIndex; ~A =?_ 5kJ
} SP
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wM#BQe3t#
/** X=d;WT4,,
* @return <<:a>)6\
* Returns the beginIndex. #ZS8}X*S
*/ TSCc=c
publicint getBeginIndex(){ [J6b5
return beginIndex; 6ISDY>p
} L.M|o
q\gvX
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/** ZRr S""V
* @param beginIndex ?=X_a{}/
* The beginIndex to set. maopr$r
*/ &$
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publicvoid setBeginIndex(int beginIndex){ z`Cq,Sz/
this.beginIndex = beginIndex; "-;l{tL
} EFKOElG(k
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/** WJN}d-S=^
* @return h]z>H~.<*
* Returns the currentPage. Jxy94y*
*/ b 7%O[
publicint getCurrentPage(){ l-mf~{
return currentPage; 61^5QHur
} "TgE@bC
|+0XO?,sZ
/** F&I ;E i
* @param currentPage .0zNt
* The currentPage to set. "p{cz(
*/ u/2!v(
publicvoid setCurrentPage(int currentPage){ s*0PJ\E2
this.currentPage = currentPage; }|7y.*
} i`2X[kc
l[J'FR:
/** z
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* @return T)NnWEB
* Returns the everyPage. "RF<i3{S
*/ j7M[]/|
publicint getEveryPage(){ &]? X"K
return everyPage;
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} '!6Py1i
L)LW5%.6
/** CrIt h/Z
* @param everyPage 'l}T_7g
* The everyPage to set. }`,}e 259
*/ D/&^Y'|T
publicvoid setEveryPage(int everyPage){ iS"(
this.everyPage = everyPage;
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} "7k
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/** 02~+$R]L
* @return ZAG iaq
* Returns the hasNextPage. YIQm;EEG
*/ 8,,$C7"EP
publicboolean getHasNextPage(){ 9O+><x[i
return hasNextPage; 7.o:(P1??g
} R]7-6
6O>GVJbw
/** fiq4|!^h
* @param hasNextPage
]OZk+DU:
* The hasNextPage to set. %;E/{gO
*/ p(F}[bP
publicvoid setHasNextPage(boolean hasNextPage){ =nYd|Ok
this.hasNextPage = hasNextPage; RG)!v6
} @ KhDQ0v]5
a JC,
/** +hIStA
* @return }!i#1uHUH:
* Returns the hasPrePage. w<hw>e^.
*/ 9;^ r
publicboolean getHasPrePage(){ lKd+,<
return hasPrePage; \P;%fN
} aF9p%HPDw
?_L)|:WL
/** 5UQz6DK
* @param hasPrePage [`~E)B1Y
* The hasPrePage to set. >h0iq
*/ R`wL%I!?f
publicvoid setHasPrePage(boolean hasPrePage){ 6_m5%c~;+r
this.hasPrePage = hasPrePage; \tj7Jy
} "Z&-:1tP{9
#S/]=D
/** hZE" 8%\q
* @return Returns the totalPage. nl)!)t=n
* XA~Cc<v
*/ .X;zEyd
publicint getTotalPage(){ mZ^z%+Ca|
return totalPage; \G?GX
} 7|IOn5
E*ug.nxy
/** K 9ytot
* @param totalPage 'E{n1[b
* The totalPage to set. @?$x
*/ <6]TazW?S
publicvoid setTotalPage(int totalPage){ ^T[8j/9o^
this.totalPage = totalPage; eC^UL5>%
} :Rh?#yO5
mTcop yp
} SO#NWa<0|
i+$G=Z#3E
BitP?6KX
B&~#.<23:
R\%&Q|
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 2nW:|*:/p6
3[g%T2&[
个PageUtil,负责对Page对象进行构造: /Q4TQ\:
java代码: j~(s3pSCo
b]'Uv8f bF
j {w'#x,
/*Created on 2005-4-14*/ c/Fy1Lv\
package org.flyware.util.page; v=A]#O%
]d$:R`;
import org.apache.commons.logging.Log; )~{T
import org.apache.commons.logging.LogFactory; QxRT%;'Zh]
\Kp!G1?_AY
/** lWr{v\L'
* @author Joa $TON`+lB
* [Bn C_^[W
*/ UQ;ymTqdc
publicclass PageUtil { (!72Eaw:]
.E'Tfa
privatestaticfinal Log logger = LogFactory.getLog CdCo+U5z{
B{UL(6\B
(PageUtil.class); sb Wn1 T
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/** Gkz\By
* Use the origin page to create a new page >h^CC*&'pw
* @param page :+%"kgJNL
* @param totalRecords 4K_rL{s0U
* @return 'Vwsbm
tY
*/ Zj@k3y
publicstatic Page createPage(Page page, int Arg604V3
~)\9f 1O{^
totalRecords){ A"(XrL-pV
return createPage(page.getEveryPage(), 9yU(ei:GUo
:6k8\{^9"D
page.getCurrentPage(), totalRecords); RRW/.y
} u@j]U|FpY
)HHG3cvU
/** fqoI(/RWP
* the basic page utils not including exception S
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&cnciEw1
handler pCXceNFo
* @param everyPage +Bg$]~T
* @param currentPage Lnin;0~{
* @param totalRecords T r|B:)X
* @return page T5*
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*/ 97 Oi}
publicstatic Page createPage(int everyPage, int KIyhvY~
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currentPage, int totalRecords){ h^yLmRL
everyPage = getEveryPage(everyPage); ;VhilWaF-
currentPage = getCurrentPage(currentPage); h(q,-')l_
int beginIndex = getBeginIndex(everyPage, 5Lmhip
pKeK6K\8
currentPage);
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int totalPage = getTotalPage(everyPage, <gvuCydsh
`w&Y[8+E
totalRecords); uw!w}1Y]}2
boolean hasNextPage = hasNextPage(currentPage, J7Z`wjX1
L5(7;
totalPage); RO>3U2
boolean hasPrePage = hasPrePage(currentPage); uY{zZ4iw
}BTK+Tk8
returnnew Page(hasPrePage, hasNextPage, IUB#Vdx
everyPage, totalPage, vD,ZEKAN
currentPage, q1rBSlzN
DRp h?V\
beginIndex); up(6/-/.7
} 7Cx*Ts $
DGR[2C)@N
privatestaticint getEveryPage(int everyPage){ 8>U{>]WG
return everyPage == 0 ? 10 : everyPage; g+g0iS
} ORVFp]gG
c[p>*FnP
privatestaticint getCurrentPage(int currentPage){ =t[hs l
return currentPage == 0 ? 1 : currentPage; nK95v}p}Y
} Gi=sJV
Ue:LKK1Gsr
privatestaticint getBeginIndex(int everyPage, int vBFMne1h
y
{&"g
currentPage){ M)m(
return(currentPage - 1) * everyPage; ;iol 2
} 29a~B<e7s
%pikt7,Z~
privatestaticint getTotalPage(int everyPage, int (8JL/S;Z$
Lek!5Ug
totalRecords){ 7D5[
L
int totalPage = 0; 2O|jVGap5x
f*Z8C9)
if(totalRecords % everyPage == 0) OTgctw1s
totalPage = totalRecords / everyPage; UY(pKe>
else 8C,}nh
totalPage = totalRecords / everyPage + 1 ; y7f,]<%e_
c(@(j8@S
return totalPage; _wp>AJ r
} @ Sq
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prIPPeMdz
privatestaticboolean hasPrePage(int currentPage){
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return currentPage == 1 ? false : true; !?AgAsSmc
} U?@ s`.
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privatestaticboolean hasNextPage(int currentPage, D8OW|wVE
71S~*"O0f
int totalPage){ <0EVq8h
return currentPage == totalPage || totalPage == /nPNHO>U
xbVvK+
0 ? false : true; 8fI]QW
} nj90`O.K
Z.^DJ9E<1
";kwh8wB
} g6 AEMer
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3]46qk'
^ gy"$F3{`
be<7Vy]j
上面的这两个对象与具体的业务逻辑无关,可以独立和抽象。 hFW{qWP
J!\Cs1!f
面对一个具体的业务逻辑:分页查询出User,每页10个结果。具体 4!vovt{
4](jV}Hg
做法如下: =&_Y=>rA]0
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 A$JL"~R
.RazjXAY
的信息,和一个结果集List: j7(S=
java代码: EPd9'9S
)ajF ca@v
h!~Qyb>W
/*Created on 2005-6-13*/ v=pkze
package com.adt.bo; bZ5cKQ\6
6E^h#Ozl
9
import java.util.List; BN_I#8r
nB|m!fi<
import org.flyware.util.page.Page; KbXENz&C
b41f7t=
/** x(]Um!
* @author Joa 3+<f7
*/ r(ZMZ^
publicclass Result { cv=H6j]h|
6L/`
private Page page; j7XUFA
L*(!P4S%}
private List content; 1B0+dxN`
%2I >0
/** v1R t$[
* The default constructor VYo2m
*/
+|w%}/N
public Result(){ m=4hi(g
super(); LBIsj}e
} ^~7/hm:
j^T
i6F>f
/** r%uka5@
* The constructor using fields #5%\~f
* FJ+n-
\
* @param page G m~2s;/
* @param content `Eg~;E:
*/ .T\jEH8E
public Result(Page page, List content){ K ; eR)
this.page = page; >zS<1
this.content = content; ]aZ3_<b
} EyDH-}Y
9F"^MzZ
/** }8LTYn
* @return Returns the content. xbNL <3"a
*/ PR2;+i3
publicList getContent(){ /cX%XZg
return content; NY3/mS3w
} bH Nf>
5OM*NT t
/** '89nyx&W
* @return Returns the page. =J GL~t?
*/ @c-| Sl
public Page getPage(){ 0F-%C>&g
return page; EEp~\^-
} ra|Ku!
~7$jW[i
/** 4>NmJrh
* @param content oXgi#(y
* The content to set. ([ODmZHv
*/ h|{DIG3
public void setContent(List content){ CeINODcT
this.content = content; o:c:hSV
} MC~<jJ,
O$(#gB'B
/**
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* @param page M\D25=(
* The page to set. x>GxyVE
*/ le150;7
publicvoid setPage(Page page){ ^JY,K
this.page = page; w!rw%
} H$k2S5,,z
} L#`Vr$
r!&}4lHYi
s(8e)0Tl
'&!:5R5 9
c2Yrg@) [
2. 编写业务逻辑接口,并实现它(UserManager, $)Ty@@7C
yfZYGhPN(
UserManagerImpl) $2>"2*,04
java代码: X<<FS%:+
$g!iy'4n*
{:TOm0eK
/*Created on 2005-7-15*/ 7srq~;j3
package com.adt.service; gXvE^fE
'j$n;3
import net.sf.hibernate.HibernateException; 6=p!`DOd
h'"~t#r
import org.flyware.util.page.Page; hH~GH'dnaE
2v`Q;%7O
import com.adt.bo.Result; s-Qq#T
kLe{3>}j
/** 6^sH3=#
* @author Joa i'3)5
*/ b6d}<b9#
publicinterface UserManager { 7qLB 9r
M-/2{F[
public Result listUser(Page page)throws #]*]qdQWV^
NJmyp!8
HibernateException; >)edha*W]
)S^[b2P]y_
} xp
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F13vc~$Ky
?D+H2[n\a
_BI[F
m
}=fls=c/0
java代码: u,JUMH]@
}$` PZUw>
cuh Z_l
/*Created on 2005-7-15*/ }oL
l?L
package com.adt.service.impl; VK%
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J]5ZWo%
import java.util.List; OU[ FiW-E
|&_(I
import net.sf.hibernate.HibernateException;
tPChVnB
KtcuGI/A
import org.flyware.util.page.Page; 3oMa
import org.flyware.util.page.PageUtil; tR<L9h
qHu\3@px
import com.adt.bo.Result; g4Nl"s*~
import com.adt.dao.UserDAO; fF^A9{{BS
import com.adt.exception.ObjectNotFoundException; XBm ^7'
import com.adt.service.UserManager; C1x(4&h
kZ'wXtBYe
/** S\sy] 1*?$
* @author Joa <_yy0G
*/ 6E$ET5p&