Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 Rn#KfI:{
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 3WN`y8l
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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 Q)"C&)`l
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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 )@N2
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分页支持类: Vw[ 6t>`
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java代码: Ok>gh2e[c
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package com.javaeye.common.util; r`%+M7
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import java.util.List; ttXXy3G#
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publicclass PaginationSupport { nv)2!mAh\
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publicfinalstaticint PAGESIZE = 30; 1D16
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privateint pageSize = PAGESIZE; Rfn9s(m
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privateList items; #G|qD
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privateint totalCount; ^?$WVB
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privateint[] indexes = newint[0]; ]'5;|xc9$/
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privateint startIndex = 0; ^Y<|F!0
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public PaginationSupport(List items, int qs|mj}?
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totalCount){ OF%B[h&
setPageSize(PAGESIZE); ?in|qevL
setTotalCount(totalCount); dX\.t<
setItems(items); Y^36>1.:
setStartIndex(0); K6y :mJYp\
} s?zAP O8Sz
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public PaginationSupport(List items, int y+!+ D[x
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totalCount, int startIndex){ *o-.6OxZ$
setPageSize(PAGESIZE); 9k9_mjLZ
setTotalCount(totalCount); RZ6xdq}>
setItems(items); 6Ztq
setStartIndex(startIndex); )Y]{HQd
} !(qsD+
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public PaginationSupport(List items, int 6UevpDB
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totalCount, int pageSize, int startIndex){ iQ4);du
setPageSize(pageSize); cKN$ =gd
setTotalCount(totalCount); ex+\nD>t4
setItems(items); GFfq+=se
setStartIndex(startIndex); o]Ol8I
} D,;\o7V
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publicList getItems(){ O_cbP59Y.
return items; 994`ua+
} XGJj3-eW{
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publicvoid setItems(List items){ Vm5c+;
this.items = items; |?Frj
} (
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publicint getPageSize(){ *\(r+>*x*
return pageSize; -6Oz^
} ZeUvyIG
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publicvoid setPageSize(int pageSize){ 9Rn?
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this.pageSize = pageSize; !l|5z G
} cZH-"
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publicint getTotalCount(){ so)"4
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return totalCount; 61/.K_%I.
} LVc4CE
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publicvoid setTotalCount(int totalCount){ #mZpeB~
if(totalCount > 0){ CqHK %M
this.totalCount = totalCount; Rp*R:3
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int count = totalCount / nt;haeJ
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pageSize; %YSpCI
if(totalCount % pageSize > 0) #Y0-BYa^
count++; %uJ<M-@r=u
indexes = newint[count]; !lxTX
for(int i = 0; i < count; i++){ \%/#x V
indexes = pageSize * o
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} +j(d| L\
}else{ CPVjmRUF|
this.totalCount = 0; [cTe54n
} %STliJ
} _<=S_<$2
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publicint[] getIndexes(){ nL$x|}XAcj
return indexes; w?zKjqza=v
} 56e r`=ms
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publicvoid setIndexes(int[] indexes){ 7M<'ddAN
this.indexes = indexes; `W dD8E
} 5k6mmiaKk
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publicint getStartIndex(){ R)F;py8)I
return startIndex; ,ldI2]
} >$ NDv
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publicvoid setStartIndex(int startIndex){ lc2 i`MC
if(totalCount <= 0) Z4A!U~
this.startIndex = 0; W%.v.0
elseif(startIndex >= totalCount) L KCb_9
this.startIndex = indexes U\veOQ;mW
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[indexes.length - 1]; ZunCKc
elseif(startIndex < 0) VtzI9CD
this.startIndex = 0; Y4cYZS47
else{ 1"pI^Ddt
this.startIndex = indexes !).}u,*'no
sf OHl
[startIndex / pageSize]; ] GHt"
} [/ !;_b\X
} 1G0fp:\w
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publicint getNextIndex(){ %]gn?`O
int nextIndex = getStartIndex() + Rw6;Z
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pageSize; ~6pr0uyO`
if(nextIndex >= totalCount) t^xTFn
return getStartIndex(); z-@=+4~
else 3I!?e!y3(
return nextIndex; ^ K7ic,{
} %.<H=!$
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publicint getPreviousIndex(){ v~T7`
int previousIndex = getStartIndex() - :Gu+m
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pageSize; @WQK>-=(3
if(previousIndex < 0) G
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return0; -pU|hSW*b
else 'zEI;v
return previousIndex; :U
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} oT{@_U{*J
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} 1=|7mehL%
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抽象业务类 Yz4_vePh+5
java代码: N%7{J
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/** E]J:~H'Er
* Created on 2005-7-12 gP-nluq
*/ 6vp *9
package com.javaeye.common.business; ]l@ qra
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import java.io.Serializable; l"{Sm6:;-
import java.util.List; g
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import org.hibernate.Criteria; TDg@Tg0
import org.hibernate.HibernateException; :qR=>n=
import org.hibernate.Session; !PMU O\y
import org.hibernate.criterion.DetachedCriteria; &SAH2xR
import org.hibernate.criterion.Projections; \XF}?*8
import [w0/\]o
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org.springframework.orm.hibernate3.HibernateCallback; 2[B4f7
import )jCo%P/
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org.springframework.orm.hibernate3.support.HibernateDaoS uK("<u|
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upport; ESg+n(R
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import com.javaeye.common.util.PaginationSupport; 3IR
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public abstract class AbstractManager extends B_ja&) !s1
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HibernateDaoSupport { `k;KBW
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privateboolean cacheQueries = false; @ct+7v~
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privateString queryCacheRegion; l;"Ab?P\
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publicvoid setCacheQueries(boolean Olfn
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cacheQueries){ W%e_~$H0
this.cacheQueries = cacheQueries; Sf/q2/r?6[
} x|0:P sE
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publicvoid setQueryCacheRegion(String $&Kq*m 0g
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queryCacheRegion){ {SZ % Xb o
this.queryCacheRegion = <&pKc6+{
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queryCacheRegion; D-IR!js ]
} {ub/3Uh
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publicvoid save(finalObject entity){ T#!lPH :&h
getHibernateTemplate().save(entity); '
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} pi5GxDA]
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publicvoid persist(finalObject entity){ CKlL~f EL
getHibernateTemplate().save(entity); [4+q+
} pi@Xkw
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publicvoid update(finalObject entity){ !r+IXuqV,!
getHibernateTemplate().update(entity); S2C]?6cTq
} g,]@4|
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publicvoid delete(finalObject entity){ -6=<#9R
getHibernateTemplate().delete(entity); q
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} C+F*690h
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publicObject load(finalClass entity, m"-[".-l-
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finalSerializable id){ sk2%
return getHibernateTemplate().load gV U1Y6.
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(entity, id); i2J q|9,g
} !&]z*t
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publicObject get(finalClass entity, MS<SAD>w
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finalSerializable id){ d"~(T:=r
return getHibernateTemplate().get E-ZRG!)[v
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(entity, id); b!$ }ma;B
} kw,$NK'
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publicList findAll(finalClass entity){ gJ3c;
return getHibernateTemplate().find("from N;HIsOT}t
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" + entity.getName()); !q4x~G0d
} W9J1=
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publicList findByNamedQuery(finalString \k.vN@K#
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namedQuery){ V/"}ku
return getHibernateTemplate TSL9ax4j
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().findByNamedQuery(namedQuery); znZ7*S >6\
} ~# 7wdP
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publicList findByNamedQuery(finalString query, UQd6/mD`e
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finalObject parameter){ q]<xMg#nu
return getHibernateTemplate ,
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*/ OI*{Q
().findByNamedQuery(query, parameter); %85Icg
} :#="%
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publicList findByNamedQuery(finalString query, rOl6lQW
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finalObject[] parameters){ V!|e#}1/
return getHibernateTemplate zW4O4b$T
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().findByNamedQuery(query, parameters); [cU,!={
} aW{L7N %
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publicList find(finalString query){ }qC SS<a
return getHibernateTemplate().find H3 m8
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(query); }X$l\pm
} $W!]fcZlB
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publicList find(finalString query, finalObject oEzDMImJ5
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parameter){ zp=!8Av
return getHibernateTemplate().find OM96`
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(query, parameter); RTd^ImV
} EIX\O6*
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public PaginationSupport findPageByCriteria oL
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,
(final DetachedCriteria detachedCriteria){ \3{3ly~L
return findPageByCriteria c<qe[iyt/
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(detachedCriteria, PaginationSupport.PAGESIZE, 0); PHR#>ZD
} +cfziQ$'
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public PaginationSupport findPageByCriteria #q4*]qGHm
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(final DetachedCriteria detachedCriteria, finalint w@N{@tG
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startIndex){ L:U4N*
return findPageByCriteria fuSq ={]
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(detachedCriteria, PaginationSupport.PAGESIZE, 0 K3Hf^>m
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startIndex); :|XCnK0
} `*9EKj
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public PaginationSupport findPageByCriteria irFc}.dI
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(final DetachedCriteria detachedCriteria, finalint 'yT`ef
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pageSize, ag]*DsBt
finalint startIndex){ \8_V(lU
return(PaginationSupport) &,uC9$
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getHibernateTemplate().execute(new HibernateCallback(){ !d4HN.a7+u
publicObject doInHibernate 9H$g?';
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(Session session)throws HibernateException { 5fq.*1f
Criteria criteria = cqg=8$ RB
my[,w$YM
detachedCriteria.getExecutableCriteria(session); 'jbMTI
int totalCount = RV]a%mVlM
>)%#V<{<
((Integer) criteria.setProjection(Projections.rowCount 7&t~R}&|
&|,s{?z2
()).uniqueResult()).intValue(); %<S7
criteria.setProjection -><QFJ
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(null); T5{T[YdX<
List items = >40
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jlRS:$|R0
criteria.setFirstResult(startIndex).setMaxResults ||gEs/6-
vU9~[I`^p
(pageSize).list(); }wkaQQh
PaginationSupport ps = -,@bA @&
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new PaginationSupport(items, totalCount, pageSize, p5qx=p~c
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startIndex); 9d] tjT
return ps; T+BIy|O
} ris;Iu^v0
}, true); xc*!W*04
} u
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public List findAllByCriteria(final T:@7S
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DetachedCriteria detachedCriteria){ hOSf'mi
return(List) getHibernateTemplate 5)x6Q|-u
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().execute(new HibernateCallback(){ X o_] v
publicObject doInHibernate ;:^ Lv
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(Session session)throws HibernateException { 6#?NL]A
Criteria criteria =
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detachedCriteria.getExecutableCriteria(session); sVlZNj9i"
return criteria.list(); )1BiEK`v
} As p8qHS
}, true); J{^n=X9M0J
} q1<Fg.-r
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public int getCountByCriteria(final 7zi"caY
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DetachedCriteria detachedCriteria){ ]#M/$?!]g2
Integer count = (Integer) H&u4v2
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getHibernateTemplate().execute(new HibernateCallback(){ afV
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publicObject doInHibernate w+3>DEfz
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(Session session)throws HibernateException { be_C>v
Criteria criteria = CElPU`J,\[
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detachedCriteria.getExecutableCriteria(session); 5@CpP-W#
return bA0uGLc
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criteria.setProjection(Projections.rowCount kkHTbn=!
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()).uniqueResult();
}Olr
} {4o\S
}, true); g8rp|MOH
return count.intValue(); Kyyih|{
} 3[,wMy"
} K]%N-F>r
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用户在web层构造查询条件detachedCriteria,和可选的 //6^+-he
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 +$(71#'y
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PaginationSupport的实例ps。 tru;;.lj8K
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ps.getItems()得到已分页好的结果集 o- cj&Cv%
ps.getIndexes()得到分页索引的数组 X9DM^tt
ps.getTotalCount()得到总结果数 ?' TA!MR
ps.getStartIndex()当前分页索引 XTIu(f|d_;
ps.getNextIndex()下一页索引 y @]8Ep
ps.getPreviousIndex()上一页索引 DBLA% {05
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 $^!a`Xr
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,尤其是上面的示例代码,让我着实觉得该对我原来的分页查询做 uDpf2(>s
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一下代码重构了。 |E"Xavi>
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我把原本我的做法也提供出来供大家讨论吧: _ .-o%6
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首先,为了实现分页查询,我封装了一个Page类: )[e%wPu4e
java代码: Z TN:|IKT
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/*Created on 2005-4-14*/ Jsl k
package org.flyware.util.page; Qx9>,e6+
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/** L"Qh_+
* @author Joa i5ajM,i/K
* R>/QARX
*/
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publicclass Page { D2>hMc
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/** imply if the page has previous page */ g,A.Y,})
privateboolean hasPrePage; [K"U_b}w
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/** imply if the page has next page */ N*_/@qM> a
privateboolean hasNextPage; z Y$X|=f
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/** the number of every page */ zz7Y/653
privateint everyPage; 4iYgs-,
%RCl+hOP.h
/** the total page number */ ]+^;vc 1r
privateint totalPage; s_S<gR
NqQM!B]
/** the number of current page */ owfp^hla
privateint currentPage; B2ek&<I7N
:t2 9`x
/** the begin index of the records by the current Z;|0"K
vjOG?-
query */ %igFHh?
privateint beginIndex; lM@<_=2
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/** The default constructor */ hqhu^.}]
public Page(){ 1qB!RIau
h,!G7V
} >N+bU{s
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/** construct the page by everyPage rW=k%#
p
* @param everyPage hQd@bN8
* */ }}4sh5z
public Page(int everyPage){ 3{2^G@j
this.everyPage = everyPage; @%I_&!d
} >?\v@
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/** The whole constructor */
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public Page(boolean hasPrePage, boolean hasNextPage, X/-
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vp )}/&/
int everyPage, int totalPage, 2A@Y&g(6T7
int currentPage, int beginIndex){ ain#_H
this.hasPrePage = hasPrePage; 7/p J6>
this.hasNextPage = hasNextPage; jkQt'!
this.everyPage = everyPage; L|C1C
cP
this.totalPage = totalPage; ';;p8bv+
this.currentPage = currentPage; .NzW@|
this.beginIndex = beginIndex; ;Sx'O
} Dr8WV\4@
d'lr:=GQ
/** 7\\~xSXh
* @return tdw\Di#m
* Returns the beginIndex.
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*/ gW6G+
publicint getBeginIndex(){ 6oTbn{=UUq
return beginIndex; %h/#^esi
} ^\7 x5gO
2$SofG6D}
/** \GbHS*\+
* @param beginIndex tpNtoqg_$
* The beginIndex to set. &.+n
L
*/ s{1Deek=
publicvoid setBeginIndex(int beginIndex){ `PQ?8z|
this.beginIndex = beginIndex; niBjq#bJi
} |%2/I>o
=,>TpE
/** y'0dl "Dy\
* @return !ho5VAt
* Returns the currentPage. |&0"N[t
*/ .%J?T5D
publicint getCurrentPage(){ xnRp/I
return currentPage; (giTp@Tp
} ; mo\ yW1
Wd^F%)(
/** /]MB6E7&
* @param currentPage V.
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* The currentPage to set. !UgUXN*
*/ U&]p!DV&;
publicvoid setCurrentPage(int currentPage){ iX>!ju'V
this.currentPage = currentPage; 5E\<r/FeJ
} zT4ulXN
9znx1AsN
/** |=^#d\?]j
* @return *Sz{DE1U
* Returns the everyPage. C<wj?!v,F[
*/ \:q e3Q
publicint getEveryPage(){ JXSqtk=
return everyPage; )v!lP pe8
} zV_-rf
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/** Ip7FD9
^
* @param everyPage ;}>g1&q
* The everyPage to set. &JXHDpd$a^
*/ bWQORjnd8
publicvoid setEveryPage(int everyPage){ g+KzlS[6
this.everyPage = everyPage; a7v[l04
} lM|WOmD
@7HOL-i
/** +/b4@B7
* @return {YKMQI^O/
* Returns the hasNextPage. \9|]
*/ {Hp}F!X$
publicboolean getHasNextPage(){ NBg>i7KQ
return hasNextPage; -t~B@%
} ![P(B0Ct/
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/** LA=>g/+i.X
* @param hasNextPage U@v8H!p^i
* The hasNextPage to set. Y?vm%t`K
*/ Fzld0p9=
publicvoid setHasNextPage(boolean hasNextPage){
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this.hasNextPage = hasNextPage; uVuToMCp
} -o!,,XYj .
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/** B[0,\>
* @return 0Yzb=QMD
* Returns the hasPrePage. I>8 @=V~
*/ ndCS<ojcBP
publicboolean getHasPrePage(){ = C'e1=]
return hasPrePage; i!d7,>l+Q~
} 7 NB"oU^h%
1=q?#PQ
/** /o1)ZC$
* @param hasPrePage o4[2`mT
* The hasPrePage to set. 7f\^VG
*/ ;\*Od?1
publicvoid setHasPrePage(boolean hasPrePage){ =<'iLQb1
this.hasPrePage = hasPrePage; -SY:qG3?
} xXU/m|
kN9sug^
/** /6+%(f}7l
* @return Returns the totalPage. B]KLn?zt5
* klC^xSx
*/ h%w\O Z7
publicint getTotalPage(){ '3u]-GU2_
return totalPage; 1uge>o&
} UWWD8~:
rLw[y$2
/** dzv,)X
* @param totalPage ~"rwP=<}
* The totalPage to set. ISnS;
*/ X.AOp
publicvoid setTotalPage(int totalPage){ !Ub?eJp
this.totalPage = totalPage; ot+~|Dl
} *1)NABp6D
qQ
DFg`
} wIR[2&b
13&>w{S}
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上面的这个Page类对象只是一个完整的Page描述,接下来我写了一 y0&HXX#\
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个PageUtil,负责对Page对象进行构造: >scS wT
java代码: F+$@3[Q`N
@[b:([
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/*Created on 2005-4-14*/ |p4OlUq
package org.flyware.util.page; a=B0ytNm
:kx#];2i
import org.apache.commons.logging.Log; *-!ndbf
import org.apache.commons.logging.LogFactory; Jx9%8Ek
4"X>_Nt6
/** >T*g'954xF
* @author Joa n`KXJ?t
* |AfQ_iT6c
*/ \\G6c4fC
publicclass PageUtil { 0(g MR
G~tOCp="p
privatestaticfinal Log logger = LogFactory.getLog U?^|>cMr
P_g0G#`4
(PageUtil.class); y{?jr$js<
OK J%M]<
/** JHZo:Ad -&
* Use the origin page to create a new page ;_\
* @param page pbvEIa-Y4
* @param totalRecords 5)v^
cR?&
* @return gwz _b
*/ Qn3+bF4
publicstatic Page createPage(Page page, int ;,})VoC\!
%dU'$)
totalRecords){ ZznWs+
return createPage(page.getEveryPage(), 7%}3Ghc%
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page.getCurrentPage(), totalRecords); U(]5U^
} +;iesULXn
:(p
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/** <({eOh5N
* the basic page utils not including exception {]Iu">*
%1 ^jd\
handler m.a1
* @param everyPage 5a_!&
* @param currentPage l<:E+lU
* @param totalRecords d lLk4a+
* @return page !X <n:J
*/ kpw4Mq@
publicstatic Page createPage(int everyPage, int W!B4<'Fjc
wP':B
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currentPage, int totalRecords){ S^VV^O5 ^
everyPage = getEveryPage(everyPage); a[cH@7W.#
currentPage = getCurrentPage(currentPage); E=*Q\3G~
int beginIndex = getBeginIndex(everyPage, wEc5{ b5M
7CMgvH)O
currentPage); wP1VQUL
int totalPage = getTotalPage(everyPage, CgKSK0/a
BF[?* b
totalRecords); 9k^=m)yS'
boolean hasNextPage = hasNextPage(currentPage, hGXDu;{
E
d/O\v@
totalPage); HbSx}bM_9
boolean hasPrePage = hasPrePage(currentPage); lFV|GJ
g uWqHVSs
returnnew Page(hasPrePage, hasNextPage, 0_pwY=P
everyPage, totalPage, ZDmk<}A-U
currentPage, ~ A|*]0,
/=(FM
beginIndex); t6e-~
} v~cW:I
7Ej#7\TB]
privatestaticint getEveryPage(int everyPage){ 6b01xu(A[
return everyPage == 0 ? 10 : everyPage; 3 v$4LY
} ^ 6|"=+cO\
u.Yb#?
privatestaticint getCurrentPage(int currentPage){ h5keYBA
return currentPage == 0 ? 1 : currentPage; ^v5hr>m
} [te7uZv-
5g2+Ar(
privatestaticint getBeginIndex(int everyPage, int 1H
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kDa#yN\
currentPage){ +r P<m
return(currentPage - 1) * everyPage; :8wF0n-'
} !`=?<Fl
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privatestaticint getTotalPage(int everyPage, int Z[bC@y[Wb
}0>/G?2Yp
totalRecords){ PW4Wn`u
int totalPage = 0; 2U{RA's
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if(totalRecords % everyPage == 0) K+OU~SED%F
totalPage = totalRecords / everyPage; k ,(:[3J
else i~L7h=__
totalPage = totalRecords / everyPage + 1 ; 'Jr*oru
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return totalPage; ,!4_Uc
} qW >J-,61/
#[yl;1)
privatestaticboolean hasPrePage(int currentPage){ &>fd:16
return currentPage == 1 ? false : true; tb\pjLB][
} 8!>pFVNJf
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privatestaticboolean hasNextPage(int currentPage, ,sl.:C 4
6
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int totalPage){ CnYX\^Ow
return currentPage == totalPage || totalPage == rWqA)j*!
m/nn}+*C
0 ? false : true; $?{zV$r1
} CI'5JOqP
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} >C3 9`1
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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。 h--bN*}H2
HI 61rXNF
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 7HFO-r118
0eP~F2<bC
做法如下: ev
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1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 B ;$8<
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的信息,和一个结果集List: xII!2.
java代码: ]XyJ7esg
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/*Created on 2005-6-13*/ gXMkI$ab
package com.adt.bo; [?*^&[
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import java.util.List; B=`!
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import org.flyware.util.page.Page; :tG5~sK
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/** p\\q[6
* @author Joa pE,BE%
*/ PX)qA=4q
publicclass Result { _P1-d`b0 a
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private Page page; 2Wtfx"
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private List content; Lp=B? H
Q pq0j^\
/** {*9i}w|2
* The default constructor ?]N&H90^5
*/ Q-5wI$=
public Result(){ bmpB$@
super(); kq-RM#Dj:
} E@KK\m
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/** hd-ds~ve
* The constructor using fields "(qO}&b>
* my6T@0R
* @param page (eP)>G]
* @param content % BKTN@;7
*/ >w2u
public Result(Page page, List content){ -bF+uCfba
this.page = page; *
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this.content = content; +
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} !ZW0yCwLQ
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/** 9qA_5x%"%u
* @return Returns the content. `( Gk_VAa
*/ fHi+PEbR
publicList getContent(){ PV2904
return content; *TkABUL
} NQ!F`
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/** S\m]z e
* @return Returns the page. D=Y HJ>-wB
*/ jBbc$|O4SY
public Page getPage(){ \
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return page; B?'ti{p
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} f9$q.a*
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/** w=$_',5#Z
* @param content RI=B(0A
* The content to set. /xzL!~g`6<
*/ l M$7/
public void setContent(List content){ FCPbp!q6
this.content = content; /2@@v|QL
} PdZSXP4;k
G'Y|MCKz>
/** y6oDbwke
* @param page i747( ^
* The page to set. zqkmsFH{
*/ 1Rh&04O>VL
publicvoid setPage(Page page){ tJP(eaqZ
this.page = page; y(A"g3^=
} bOdD:=f
} %O${EN
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BJ5#!I%h
#z.x3D@^r6
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2. 编写业务逻辑接口,并实现它(UserManager, m[f\I^\%8
%y q}4[S+o
UserManagerImpl) :?J$ +bm}
java代码: 'e@}N)IX
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/*Created on 2005-7-15*/ vKeK]
package com.adt.service; ?kSs7e>
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import net.sf.hibernate.HibernateException; z$NLFJvy_-
~ocr^V{"<~
import org.flyware.util.page.Page; BG"6jQh
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import com.adt.bo.Result; 79v&6Io
K5$ y
/** !FO)||'[
* @author Joa sIpK@BQ'
*/ 3A5" %
publicinterface UserManager { ;g9+*$Gw
;#due
public Result listUser(Page page)throws |*b8-a8<
"'Q:%_;
HibernateException; ]x|sTKv2
jcj)9;n=!
} Q%a4g
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java代码: -l",!sV
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/*Created on 2005-7-15*/ >\'yj|
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package com.adt.service.impl; ~BC5no
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import java.util.List; TsQMwV_h
4ZIXG,@mZJ
import net.sf.hibernate.HibernateException; &}]Wbk4:
)JPcSy*
import org.flyware.util.page.Page; Wg[`H=)Q
import org.flyware.util.page.PageUtil; t`?FSV
Q7C'O @
import com.adt.bo.Result; =k'dbcfO$9
import com.adt.dao.UserDAO; mXr)lA
import com.adt.exception.ObjectNotFoundException; &z