Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 ioi0^aM
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 6R%c+ok8i
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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 |.=Ee+HZ
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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 FRF3V>
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分页支持类: >r{3t{
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java代码: [
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package com.javaeye.common.util; <E$P
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import java.util.List; B5#a
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publicclass PaginationSupport { KZ ?<&x
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publicfinalstaticint PAGESIZE = 30; }CsUZ&* &
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privateint pageSize = PAGESIZE; ij r*_=
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privateList items; :|<D(YA
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privateint totalCount; ll1?I8}5|
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privateint[] indexes = newint[0];
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privateint startIndex = 0; ;PaB5TT(
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public PaginationSupport(List items, int BS*cG>T
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totalCount){ o1Mb HBb
setPageSize(PAGESIZE); ?Y
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setTotalCount(totalCount); < t>N(e
setItems(items); ^>GL<1
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setStartIndex(0); <^R\N#
} ;Bcf~[ErM
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public PaginationSupport(List items, int rMe`HM@
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totalCount, int startIndex){ }w8h^(+B
setPageSize(PAGESIZE); }O2hhh_
setTotalCount(totalCount); IAnY+=^
setItems(items); 7Yk6C5C
setStartIndex(startIndex); :b=`sUn<X+
} s7FqE>#c0
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public PaginationSupport(List items, int
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+/\.%S/
totalCount, int pageSize, int startIndex){ =!U{vT
setPageSize(pageSize); /nb(F h|{T
setTotalCount(totalCount); UT+\IzL
setItems(items); 6 Y&OG>_\
setStartIndex(startIndex); F__DPEAc_
} WHbvb3'
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publicList getItems(){ Lrq+0dI 65
return items; jt3s;U*
} MuZ\<;W$
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publicvoid setItems(List items){ ]a_;*Xq8d
this.items = items; }y=7r!{@
} .a=M@;p
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publicint getPageSize(){ ><\mt
return pageSize; ]P(Eo|)m
} 4LBjqv,P
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publicvoid setPageSize(int pageSize){ >GT0x
this.pageSize = pageSize; T%P0M*
} {:6VJ0s\
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publicint getTotalCount(){ w/YKWv{_S
return totalCount; 4yRT!k}o
} Ba`]Sm=
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publicvoid setTotalCount(int totalCount){ 9!bD|-6y
if(totalCount > 0){ ((.PPOdJV
this.totalCount = totalCount; gl]{mUZz}
int count = totalCount / c0Q`S"o+
. s?
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pageSize; l*nSgUg
if(totalCount % pageSize > 0) /^#}
\<;
count++; sB7DF<91
indexes = newint[count]; D3XQ>T [*q
for(int i = 0; i < count; i++){ EVb'x Zr
indexes = pageSize * f$2lq4P{
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i; OE4 2{?)
} y;<jE.7>
}else{ ]~ec]Y
this.totalCount = 0; ?)]sfJG
} guwnYS
} }E?s*iP
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publicint[] getIndexes(){ yD(/y"P,9
return indexes; OmU.9PDg-
} ;yHA.}
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publicvoid setIndexes(int[] indexes){ QQC0uta`
this.indexes = indexes; .Z/"L@
} Nkv2?o>l
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publicint getStartIndex(){ $#KSvo{otI
return startIndex; y99G 3t
} 7RdL/21K
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publicvoid setStartIndex(int startIndex){ q/4PX
if(totalCount <= 0) ^~(bm$4r
this.startIndex = 0; =FwFqjvl
elseif(startIndex >= totalCount) .Ta$@sP h}
this.startIndex = indexes zaoZCyJT%
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[indexes.length - 1]; W>B:W 0A
elseif(startIndex < 0) =q6yb@
this.startIndex = 0; |W#^L`!G
else{ {?5EOp~
this.startIndex = indexes BJW;A>@Pj
T \0e8"iZ
[startIndex / pageSize]; ENqJ9%sk7
} f3yZx!K_Br
} {{2ZWK 6|
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publicint getNextIndex(){ Dhef|E<
int nextIndex = getStartIndex() + #}k^g:l1
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&
pageSize; [$] JvF
if(nextIndex >= totalCount) C
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return getStartIndex(); Nk^#Sa?
else u!g<y
return nextIndex; VK$+Nm)
} 0'L+9T5
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publicint getPreviousIndex(){ rRsLl/d
int previousIndex = getStartIndex() - u_:"
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pageSize; h V=)T^Q
if(previousIndex < 0) :k(aH Ua
return0; ["@K~my~D*
else lHP[WO
return previousIndex; 8.9S91]=
} "J[Cr m
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} oq0G@
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抽象业务类 $e<3z6
java代码: kA#>Xu/
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/** 2abWIw4
* Created on 2005-7-12 d_]MqH>R\
*/ >nTGvLOq
package com.javaeye.common.business; \idg[&}l}
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import java.io.Serializable; \W*ouH
import java.util.List; (c[|k
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import org.hibernate.Criteria; eqjl$QWPJS
import org.hibernate.HibernateException; r!#a.
import org.hibernate.Session; L4Kkbt<x
import org.hibernate.criterion.DetachedCriteria; eOLS
import org.hibernate.criterion.Projections; nk6xavQji
import r[~Km5
%} \@Wk~
org.springframework.orm.hibernate3.HibernateCallback; \UN7lDH
import c()F%e:n
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org.springframework.orm.hibernate3.support.HibernateDaoS \mv7"TM
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upport; iyj&O"
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import com.javaeye.common.util.PaginationSupport; WU}JArX9
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public abstract class AbstractManager extends mtJI#P
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HibernateDaoSupport { lfWxdi
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privateboolean cacheQueries = false; c: #1Aym
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privateString queryCacheRegion; x~Pv
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publicvoid setCacheQueries(boolean S
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cacheQueries){ }vcC4 =t/
this.cacheQueries = cacheQueries; KZ<zsHX8H
} @gs
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publicvoid setQueryCacheRegion(String HM--`RJ
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queryCacheRegion){ f3*u_LO
this.queryCacheRegion = *S{%+1F
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queryCacheRegion; mJWl#3
} ZmYp!B_~
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publicvoid save(finalObject entity){ A!@D }n
getHibernateTemplate().save(entity); P3@[x
} OGh bH a
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publicvoid persist(finalObject entity){ {$Fg+~
getHibernateTemplate().save(entity); Xt9?7J#\T
} %.[GR
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publicvoid update(finalObject entity){ HtS:'~DYo
getHibernateTemplate().update(entity); cH"M8gP#
} spn1Ji
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publicvoid delete(finalObject entity){ l<^#@S H
getHibernateTemplate().delete(entity); .F}ZP0THnZ
} 3Jk;+<
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publicObject load(finalClass entity, QJ pUk%Wj
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finalSerializable id){ K+Ehj(eF
return getHibernateTemplate().load Yc\;`C
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(entity, id); {f)",#
} {P-KU RQ
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publicObject get(finalClass entity, _.wLQL~y
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finalSerializable id){ 7c<2oTN'
return getHibernateTemplate().get TvMY\e
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(entity, id); mVU(u_lh
} Px'% 5TKN
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publicList findAll(finalClass entity){ tse(iX/D
return getHibernateTemplate().find("from aI+:rk^
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" + entity.getName()); >^>
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} (zye
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publicList findByNamedQuery(finalString ToDN^qE+
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namedQuery){ xdp{y=,[
return getHibernateTemplate ){R_o5
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().findByNamedQuery(namedQuery); [-1Nn}
} ]@M$.msg@
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publicList findByNamedQuery(finalString query, wxr93$v
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finalObject parameter){ 42tD$S5^
return getHibernateTemplate |~rDEv3
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().findByNamedQuery(query, parameter); <hQ@]2w$
} &l{yEWA}g
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publicList findByNamedQuery(finalString query, )v8;\1`s:
#j iQa"
finalObject[] parameters){ @wZ`;J %
return getHibernateTemplate z15(8Y@2]
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().findByNamedQuery(query, parameters); [,|KVc=&H
} GAtK1%nPD
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publicList find(finalString query){ {HvR24#
return getHibernateTemplate().find W[j =!o
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(query); kH1l -mxz
} fC]+C(*d
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publicList find(finalString query, finalObject E)H8jBm6w
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parameter){ RAXqRP,iw
return getHibernateTemplate().find =EsKFt"
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(query, parameter); w*#TS8
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} 9"_qa q
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public PaginationSupport findPageByCriteria "p2 $R*ie
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(final DetachedCriteria detachedCriteria){ BAdHGwomh
return findPageByCriteria y%}Po)X]f
^?&Jq_oU
(detachedCriteria, PaginationSupport.PAGESIZE, 0); UQ`%,D
} qC.jXU?rO
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public PaginationSupport findPageByCriteria #e+%;5\
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(final DetachedCriteria detachedCriteria, finalint m$pXe<
`
n@[=l~
startIndex){ L~I<y;x
return findPageByCriteria CHN!o9f
V |#B=W
(detachedCriteria, PaginationSupport.PAGESIZE, (RWZ[-;)
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startIndex); VGWqy4m
} "g>uNtt~
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public PaginationSupport findPageByCriteria 1fViW^l_
7ABHgw~?8r
(final DetachedCriteria detachedCriteria, finalint 6(DK\58
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pageSize, Xb#x^?|
finalint startIndex){ V1xpJ
return(PaginationSupport) "&Q-'L!M'/
(@uQ>dR:
getHibernateTemplate().execute(new HibernateCallback(){ ZJ=-cE2n
publicObject doInHibernate qECc[)B
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(Session session)throws HibernateException { dm)V \?b
Criteria criteria = C.%iQx`
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detachedCriteria.getExecutableCriteria(session); TLPy/,
int totalCount = =
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((Integer) criteria.setProjection(Projections.rowCount oel3H5Nz
rAn''X6H
()).uniqueResult()).intValue(); P,_GTs3/G
criteria.setProjection 7.8ukAud
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(null); 84e)huAs
List items = Itj|0PGd
#9#N+
criteria.setFirstResult(startIndex).setMaxResults #++MoW}'g
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(pageSize).list(); xO"5bj
PaginationSupport ps = h"#^0$f
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new PaginationSupport(items, totalCount, pageSize, ?n? Ep [D
42U3>
startIndex); pOlQOdl
return ps; xg. d)n
} qGl+KI
}, true); rM=Q.By+\
} .F'Fk=N
v;?t=}NwF
public List findAllByCriteria(final |Wi$@sWO
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DetachedCriteria detachedCriteria){ JAmv 7GL'6
return(List) getHibernateTemplate p?0 a"5Q
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().execute(new HibernateCallback(){ ^0~?3t5
publicObject doInHibernate )I.[@#-
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(Session session)throws HibernateException { Uu
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Criteria criteria = 8'Z9Z*^h#x
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detachedCriteria.getExecutableCriteria(session); VSms hld
return criteria.list(); -;Cl0O%
} )q&uvfQ1(
}, true); uH65DI<
} j=
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public int getCountByCriteria(final -.ha\ t0J
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DetachedCriteria detachedCriteria){ NnrX64|0
Integer count = (Integer) pYceMZ$
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getHibernateTemplate().execute(new HibernateCallback(){ ;gK+AU
publicObject doInHibernate ,F6i5128{
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(Session session)throws HibernateException { ,K3)f.ArYc
Criteria criteria = v)okVyv
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detachedCriteria.getExecutableCriteria(session); 3~a!h3.f
return
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criteria.setProjection(Projections.rowCount NU I|4X
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()).uniqueResult(); ^3*/x%A,g
} + [|2k(U
}, true); Y.[^3
return count.intValue(); \iSaxwU_
} 6$9n_AS
} qyp"q{k0
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用户在web层构造查询条件detachedCriteria,和可选的 z<sf}6q
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 Z+(V'e;
-9.S?N'T>;
PaginationSupport的实例ps。 !@W1d|{lu
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ps.getItems()得到已分页好的结果集 a^,6[
ps.getIndexes()得到分页索引的数组 u6awcn
ps.getTotalCount()得到总结果数 h=EJNz>U
ps.getStartIndex()当前分页索引 )$#ov-]
ps.getNextIndex()下一页索引 HZkC3$
ps.getPreviousIndex()上一页索引 =5[}&W
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 vp[~%~1(
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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 ++5W_Ooep
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一下代码重构了。 * G.6\
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我把原本我的做法也提供出来供大家讨论吧: Q/1
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首先,为了实现分页查询,我封装了一个Page类: oz(<e
java代码: ,xn+T)2I
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/*Created on 2005-4-14*/ DSM,dO'
package org.flyware.util.page; <DvpqlT
QG4#E$c
/** kC!7<%(
* @author Joa )z=`,\&p:
* ]mn(lK
*/ k10dkBoEX
publicclass Page { G!ty@
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/** imply if the page has previous page */ 5dXC
privateboolean hasPrePage; k =ru)
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/** imply if the page has next page */ cZe,l1$
privateboolean hasNextPage; MV-fDqA(
erdWGUfQOe
/** the number of every page */
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privateint everyPage; S=U*is
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/** the total page number */ _Su?
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privateint totalPage; 17a'C
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/** the number of current page */ 1,p7Sl^h
privateint currentPage; yxf|Njo0
#VgPg5k.<
/** the begin index of the records by the current ' &^:@V
'ZgrN14
query */ Sy6Y3 ~7
privateint beginIndex; 63#Sf$p{v
?dl7!I@<E<
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/** The default constructor */ @{+c6.*}
public Page(){ WtN o@e'
4N[8LC;MH
} ,P3nZ
GPy+\P`
/** construct the page by everyPage : P>Wd3m
* @param everyPage VC:.ya|Z
* */ V*@pmOhz
public Page(int everyPage){ w^s|YF=c
this.everyPage = everyPage; gI~Ru8
} ;?"]S/16,
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/** The whole constructor */ t7pe)i,)
public Page(boolean hasPrePage, boolean hasNextPage, y/Fv4<X
h$)+$^YI
%>_ZUu3M
int everyPage, int totalPage, 2%y}El^+_
int currentPage, int beginIndex){ Bd*:y qi
this.hasPrePage = hasPrePage; Cb~_{$ A
this.hasNextPage = hasNextPage; v}XMFC !
this.everyPage = everyPage; R*3x{DNL
this.totalPage = totalPage; I,OEor6%R(
this.currentPage = currentPage; ~4S@kYe{3K
this.beginIndex = beginIndex; LE%3..
!
} &k*sxW'
qn}4PVn4
/** ~Wp>tnl
* @return Squ'd
* Returns the beginIndex. Nb~.6bsL
*/ U6;,<-bL
publicint getBeginIndex(){ 0"]N9N;/
return beginIndex;
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} >0z(+}]3z
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/**
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* @param beginIndex dY'/\dJ
* The beginIndex to set. xPoI+,
*/ ^iAOz-H
publicvoid setBeginIndex(int beginIndex){ ~UA:_7#\M
this.beginIndex = beginIndex; sDA&U9;
} K;Qlg{v
lcR53X
/** $a|C/s+}7>
* @return MA1.I4dm
* Returns the currentPage. *Y8nea^$
*/ (!`TO{ !6P
publicint getCurrentPage(){ \6~(#y
return currentPage; N=R|s$,Oy9
} 0IO#h{t
|zhVl
/** J%]</J
* @param currentPage 8L]em&871
* The currentPage to set. f'._{"
*/ Nr 5h%<`I
publicvoid setCurrentPage(int currentPage){ j_i/h "
this.currentPage = currentPage; (|H1zO
} qk!")t
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/** #;,dk(URo
* @return VA{2a7]
* Returns the everyPage. 7` AQn],
*/ 7J?`gl&C
publicint getEveryPage(){ X.TsOoy
return everyPage; ^PHWUb+``
} 92zo+bc
6bj.z
/** :ZrE/3_S
* @param everyPage {oQ.y
* The everyPage to set. ^W}(]jL
*/ h:%L% Y9z
publicvoid setEveryPage(int everyPage){ Y v22,|:
this.everyPage = everyPage; &,~0*&r0
} E2J.t`H
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/** T#&tf^;
* @return CF"u8yE
* Returns the hasNextPage. ,|RS]I>X
*/ x%<oeM3U
publicboolean getHasNextPage(){ [wKnJu
return hasNextPage; F/1B>2$`
} YMGzO
7ip$#pzo
/** /*,hR >UG
* @param hasNextPage &,vPZ,7l
* The hasNextPage to set. 9em?2'ysa
*/ Ci{,e%
publicvoid setHasNextPage(boolean hasNextPage){ w, uyN
this.hasNextPage = hasNextPage; C9+`sFau@
} ^eu={0k
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/** e6O +hC]:
* @return Ih_2")d
* Returns the hasPrePage. ZY NHVR
*/ RE*;_DF
publicboolean getHasPrePage(){ ?"23X Ke
return hasPrePage; *>b*I4dz
} |Dz$OZP
1D@'uApi.
/** O+ ].'
* @param hasPrePage (A@~]N,U/
* The hasPrePage to set. k{M4.a[(
*/ `R\aNgCS}
publicvoid setHasPrePage(boolean hasPrePage){ 7r,s+u.
this.hasPrePage = hasPrePage; }V@ *
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} xV]eEOiLM
lt:xN?--A?
/** iA=QK
u!
* @return Returns the totalPage. 99xs5!4s
* 2@&|/O6_\h
*/ "Q{)H8,E)x
publicint getTotalPage(){ fV}: eEo|Y
return totalPage; w4 R!aWLd
} 6I5,PB
6.uyY@Yx
/** \U(;%V
* @param totalPage >gQJ6q
* The totalPage to set. /&PRw<}>_o
*/ ]Tv0+ Ao
publicvoid setTotalPage(int totalPage){ LYYz =gvZl
this.totalPage = totalPage; :K-05$K
} U^AywE]
5"5tY
} Nn`l+WA3
I-L52%E]
huPAWlxT
x%J4A+kU
8XS_I{}?
上面的这个Page类对象只是一个完整的Page描述,接下来我写了一 >h!>Ll
uItzFX*
个PageUtil,负责对Page对象进行构造: 7EI5w37
java代码: D9hV`fA
5X4 #T&.
*9XKkR<r
/*Created on 2005-4-14*/ 3e)W_P*0?
package org.flyware.util.page; TnuNoMD.
o7_*#5rD
import org.apache.commons.logging.Log; G)(vd0X1
import org.apache.commons.logging.LogFactory; {c(@u6l28
O)2==_f\
/** }jfOs(Q]
* @author Joa As5*)o"&
* x6h';W_ 8
*/ *h <_gn
publicclass PageUtil { E}YJGFB7"
_S$SL%;\
privatestaticfinal Log logger = LogFactory.getLog t\\oGH
FZk=-.Hk
(PageUtil.class); %oee x1`=
[Yi;k,F:
/** Lm!/iseGv
* Use the origin page to create a new page 6h?v/\
* @param page B IW?/^
* @param totalRecords pW
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* @return |. ZYY(}
*/ I`% ]1{
publicstatic Page createPage(Page page, int 3|se]~
x>ZnQ6x~m]
totalRecords){ o0Z~9iF&
return createPage(page.getEveryPage(), 6_&uYA<8pE
\dx$G?R
page.getCurrentPage(), totalRecords); f4mQDRlD
} I:l/U-b7h
],W/IDv
/** '5usPD
* the basic page utils not including exception s7 789pR
"sD[P3
handler ;ndwVZ~,
* @param everyPage G/)]aGr
* @param currentPage lTR/o
* @param totalRecords crDm2oA~t
* @return page 3g{T+c*
*/ Xc}~_.]
publicstatic Page createPage(int everyPage, int 2[V9`r8*
,B'n0AO/'
currentPage, int totalRecords){ xY=%+o.?*
everyPage = getEveryPage(everyPage); r8wip\[
currentPage = getCurrentPage(currentPage); _u]S/X-
int beginIndex = getBeginIndex(everyPage, )q8!:Z
v PJ=~*P=
currentPage); myvn@OsEw
int totalPage = getTotalPage(everyPage, ,,Ia 4c
'CfM'f3uu
totalRecords); aCZ7G
%Y
boolean hasNextPage = hasNextPage(currentPage, wBJP8wES=
b\.l!v n0
totalPage); CKuf'h#
boolean hasPrePage = hasPrePage(currentPage); M3EB=tU
tsWzM9Yf
returnnew Page(hasPrePage, hasNextPage, g,O3\jjQ
everyPage, totalPage, z]V%&f
currentPage, kw$*o
k
b]oPx8*'
beginIndex); 3;F+.{Icc
} @&F\ M}
+ 2j]
privatestaticint getEveryPage(int everyPage){ 0{k*SCN#
return everyPage == 0 ? 10 : everyPage; qy^sdqHl@
} W*!u_]K>
F<Y>
privatestaticint getCurrentPage(int currentPage){ '7ps_pz
return currentPage == 0 ? 1 : currentPage; Cu,#w3JR
} IV]2#;OO?
hAvX{]
privatestaticint getBeginIndex(int everyPage, int Y )](jU%o
xU(yc}vw,
currentPage){ [7+dZL[
return(currentPage - 1) * everyPage; {[tx^b
} IS[&V&.n
.8~zgpK
privatestaticint getTotalPage(int everyPage, int J.g4I|{
[+_0y[~,tB
totalRecords){ Dxx`<=&g
int totalPage = 0; &"/IV$H
5a^b{=#Y
if(totalRecords % everyPage == 0) .G/2CVMj
totalPage = totalRecords / everyPage; ,f3Ck*M
else ;z3w#fNMv
totalPage = totalRecords / everyPage + 1 ; O~L/>Ya
enw7?| (
return totalPage; "<^]d~a_
} AriW&E
7w8I6
privatestaticboolean hasPrePage(int currentPage){ /2jw]ekQ'
return currentPage == 1 ? false : true; meM61ue_2
} .`5BgX7W
bPhb d
privatestaticboolean hasNextPage(int currentPage, U|YIu!^
kE*OjywN
int totalPage){ q#|,4(Z
return currentPage == totalPage || totalPage ==
#->#mshd4
$ri'tJ+
0 ? false : true; ~L3]Wa.
} ztG!NZL
Qf<@
:T*
Kulh:d:w
} \UR/tlw+/
-)dS`hM
mO~A}/je
0oU;Cmw.
<&Q(I+^
上面的这两个对象与具体的业务逻辑无关,可以独立和抽象。 s"g"wh',
xZpGSlA
面对一个具体的业务逻辑:分页查询出User,每页10个结果。具体 l;'#!hC)
;~
,<8
做法如下: /'uFX,
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 'V-_3WWxU
;xMieqz
的信息,和一个结果集List: -0R;C` (!
java代码: Qk_`IlSd
DTi\ 4&41
hJIF!eoI
/*Created on 2005-6-13*/ n>-"\cjV
package com.adt.bo; ++ZtL\h{7
Zv8I`/4?
import java.util.List; XDM~H
'<v_YxEn
import org.flyware.util.page.Page; ]Y%U5\$
ujMics(
/** bo%v(
* @author Joa oY$L
*/ oPVyLD
publicclass Result { D3i`ehh
5lp};
private Page page; /H m),9NN
v?S~ =$.
private List content; _8;)J
1E'/! |
/** >QJfTkD$
* The default constructor y7x[noGtR
*/ j^&{5s
public Result(){ H*&ZXAKv
super(); FA#?+kd
} 4X^{aIlshk
}G50?"^u
/** -jJw wOm
* The constructor using fields RXDPT
* 3jG
#<4;J
* @param page acdWU"<
* @param content @T6Z3Zj}
*/ G>q16nS~KP
public Result(Page page, List content){ 5HAIKc
this.page = page; O{F)|<L(G
this.content = content; lx vRF93a.
} "Nx3_mQ
NX5A{
/** [=xJh?*P
* @return Returns the content. /j0zb&
*/ :?}U Z#
publicList getContent(){ V&>\U?q:
return content; !^/Mn
} k5=VH5{S
4\6-sL?rW
/** Qn*a#]p
* @return Returns the page. 3n=`SLj/a
*/ qXQ/M]
public Page getPage(){ lv*fK
return page; @^)aUOe
} s, 8a1o
q:9#Vcw
/** eyiGe1^C
* @param content g[,1$39Z|@
* The content to set. *Ugtg9j
*/ N%,!&\L
public void setContent(List content){ $j\UD8Hj'-
this.content = content; q~K
KN /N
} >,JA=s
vGT#BS%
/** 08!pLE
* @param page ]-D;t~
* The page to set. aB(6yBBoxj
*/ f~3_Rv!
publicvoid setPage(Page page){ 1{.=T&eG#
this.page = page; h]#wwJF
} ,;2x.We
} _(q|W3
onuhNn_=>
INyakAmJ}-
B`/cKfg
R tR5ij1
2. 编写业务逻辑接口,并实现它(UserManager, =HF||p@
3']yjj(gHr
UserManagerImpl) J)w58/`?t
java代码: "o*zZ;>^
z'G~b[kG4n
+;}XWV
/*Created on 2005-7-15*/ }- Jw"|^W
package com.adt.service; @CSTp6{y
l+>&-lX'
import net.sf.hibernate.HibernateException; *Q<%(JJ
0ang^v;q
import org.flyware.util.page.Page; zk[%YG&
!~{AF|2f
import com.adt.bo.Result; ]Y3|*t(\
*N0R3da
/** 0aMw
* @author Joa FZM9aA
*/ CL^MIcq?
publicinterface UserManager { !,*#e
2/9P&c-r