Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 x-^`~p
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 nU7>uU
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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 i3@)W4{
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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 x|pg"v&[
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分页支持类: %C|n9*
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java代码: xMTKf+7
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package com.javaeye.common.util; M
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import java.util.List; RI(DXWM|h
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publicclass PaginationSupport { (k5We!4[1
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publicfinalstaticint PAGESIZE = 30; $w2u3-
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privateint pageSize = PAGESIZE; \Q0[?k
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privateList items; |H;F7Y_
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privateint totalCount; 6-$jkto
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privateint[] indexes = newint[0]; =;Rtdy/Yn%
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privateint startIndex = 0; -GhP9; d
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public PaginationSupport(List items, int ,|y:" s
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totalCount){ B+\3-q
setPageSize(PAGESIZE); o<BOYrS
setTotalCount(totalCount); ?!A7rb/tj
setItems(items); YIoQL}pX
setStartIndex(0); GpY"fc%
} e7Xeo +/
6#7Lm) g8
public PaginationSupport(List items, int ,(d)Qg
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totalCount, int startIndex){ !t$'AoVBq
setPageSize(PAGESIZE); 2Rw&C6("w
setTotalCount(totalCount); sFT.Oxg<
setItems(items); \<JSkr[h!"
setStartIndex(startIndex); >s>1[W @*
} 8i>ZY
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public PaginationSupport(List items, int vK|E>nL
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totalCount, int pageSize, int startIndex){ $WyD^|~SF
setPageSize(pageSize); Qu?R8+"KS
setTotalCount(totalCount); %7zuQ \w
setItems(items); re/@D@%
setStartIndex(startIndex); { C=NUK%?
} \F1_lq;K
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publicList getItems(){ k1w_[w[
return items; UQ)W%Y;[0
} 4|buk]9
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publicvoid setItems(List items){ F
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this.items = items; -+(jq>t
} [#-b8Cu
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publicint getPageSize(){ }\tdcTMgS
return pageSize; +T|JK7
} [ey:e6,T9
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publicvoid setPageSize(int pageSize){ `Nz/Oh7
this.pageSize = pageSize; 4r>6G/b8*
} Dv| #u|iw
@mOH"acGn?
publicint getTotalCount(){ RQ vft
return totalCount; i6dHrx]:,
} "+kL)]
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publicvoid setTotalCount(int totalCount){ z:8eEq3w
if(totalCount > 0){ c`J.Tm[_u
this.totalCount = totalCount; <sWprR
int count = totalCount / Vq2y4D?
HG^B#yX
pageSize; .{ocV#{s
if(totalCount % pageSize > 0) jF ^~p9z
count++; kpJ@M%46
indexes = newint[count]; UtPLI al
for(int i = 0; i < count; i++){ !}YAdZJ
indexes = pageSize * x2OaPlG,&V
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i; m? eiIrMW
} %eX{WgH
}else{ zMj#KA1
this.totalCount = 0; En~5"yW5>]
} ',Y.v"']4
} H5DC[bZMb%
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publicint[] getIndexes(){ rM`X?>iT+
return indexes; iq8GrdL"
} vI:;A/&
jr)1(**
publicvoid setIndexes(int[] indexes){ 0H6(EzN
this.indexes = indexes; i!J8 d"
} }SX,^|eN
}#L^! \V}
publicint getStartIndex(){ *@Lp`thq
return startIndex; p`b"-[93
} d74d/l1*{
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publicvoid setStartIndex(int startIndex){ -e_hrCW&9
if(totalCount <= 0) j/R[<47
this.startIndex = 0; Ja,wfRq
elseif(startIndex >= totalCount) s3~lT.
this.startIndex = indexes &M46&^Jho
pOGeruu?
[indexes.length - 1]; v=0(~<7B
elseif(startIndex < 0) GR&z,
this.startIndex = 0; 6g|*`x{
else{ d ^^bke$~
this.startIndex = indexes GGNvu)"
l n{e1':$"
[startIndex / pageSize]; 8K.R=
} `P@T$bC
} G/b^|;41
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publicint getNextIndex(){ k9k XyX[
int nextIndex = getStartIndex() + _2hS";K
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pageSize; &|Bc7+/P
if(nextIndex >= totalCount) _y),J'W^3u
return getStartIndex(); tz5e"+Tz
else O~T@rX9f
return nextIndex; k`So -e-
} /M|262%
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publicint getPreviousIndex(){ ZvNJ^Xz
int previousIndex = getStartIndex() - /35R u}c
3 jGWkby0
pageSize; Y'1S`.
if(previousIndex < 0) rX4j*u2u
return0; mkYqpD7
else tmv&U;0Z
return previousIndex; Fpm|_f7
} y`\@N"Cf
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} :Pvzl1
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抽象业务类 ey2S#%DF]
java代码: $CY~5A `l9
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/** :# .<[
* Created on 2005-7-12 u])b,9&En
*/ |bq$xp
package com.javaeye.common.business; /.3}aj;6
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import java.io.Serializable; IEXt:
import java.util.List; N!ls j
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import org.hibernate.Criteria; 'JCZ]pZ
import org.hibernate.HibernateException; >64P6P;S
import org.hibernate.Session; Q~OxH'>>(
import org.hibernate.criterion.DetachedCriteria; qCljo5Tq'
import org.hibernate.criterion.Projections; >d,jKlh^.%
import G`n_YH084
n2]/v{E;/
org.springframework.orm.hibernate3.HibernateCallback; hM;lp1l
import <QA6/Ef7
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org.springframework.orm.hibernate3.support.HibernateDaoS xCg52zkH#
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upport; B.dH(um
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import com.javaeye.common.util.PaginationSupport; P,xKZ{(
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public abstract class AbstractManager extends 8.XoVW#
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HibernateDaoSupport { `}(b2Hc>
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privateboolean cacheQueries = false; <g1hxfKx5
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privateString queryCacheRegion; F$ #U5}Q
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publicvoid setCacheQueries(boolean p^Ak1qm~e
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cacheQueries){ QWD'!)Zb
this.cacheQueries = cacheQueries; xD5:RE~g
} L\@I*QP
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publicvoid setQueryCacheRegion(String n;@bLJ$W
d Vj_8>
queryCacheRegion){ z2g3FUTX)b
this.queryCacheRegion = W+PJZn
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queryCacheRegion; )6q,>whI]
} r[BVvX/,F
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publicvoid save(finalObject entity){ Tw""}|] g
getHibernateTemplate().save(entity); F({HP)9b
} Fh`~`eog
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publicvoid persist(finalObject entity){ KVT-P};jy*
getHibernateTemplate().save(entity); A/u)# ^\
}
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publicvoid update(finalObject entity){ @)|C/oA
getHibernateTemplate().update(entity); YL]Z<%aKt
} |G?htZF
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publicvoid delete(finalObject entity){ hp#W9@NR
getHibernateTemplate().delete(entity); 8n'B6hi
} (Tn- >).AO
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publicObject load(finalClass entity, l:j4Ft 8
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finalSerializable id){ F
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return getHibernateTemplate().load hWD;jR
)(ImLbM)
(entity, id); 1guJG_;z
} `%+Wz0(K
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publicObject get(finalClass entity, Xs~[&
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finalSerializable id){ $wo?!gt
return getHibernateTemplate().get Nv(9N-9r
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(entity, id); a0D%k: k5
} D|e
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publicList findAll(finalClass entity){ H."EUcE{
return getHibernateTemplate().find("from d-k%{eBV
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" + entity.getName()); j`~Ms>
} kQEy#JQmB
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publicList findByNamedQuery(finalString E`?3PA8
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namedQuery){ Cj{1H([-
return getHibernateTemplate :_g$.h%%
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().findByNamedQuery(namedQuery); KY51rw.
} :I+Gu*0WD
xa <UM5eI
publicList findByNamedQuery(finalString query, IOqwCD[
xx#zN0I>-y
finalObject parameter){ `< xn8h9p
return getHibernateTemplate 3HcQ(+Z
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().findByNamedQuery(query, parameter); Zc
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} BT}!W`
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publicList findByNamedQuery(finalString query, ~N<4L>y<
6)Y.7 XR
finalObject[] parameters){ -OapVa c
return getHibernateTemplate ;#vKi0V7
yCVI\y\B
().findByNamedQuery(query, parameters); i*/Yz*<
} LR".pH13
nV -mPyfL8
publicList find(finalString query){ J&.{7YF
return getHibernateTemplate().find #~C]ZrK
vgfcCcZ_iZ
(query); D-5VC9{
} #a'Ex=%rM
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publicList find(finalString query, finalObject G!>z;5KuS
@ycDCB(D}
parameter){ ??M"6k
return getHibernateTemplate().find xKuRh}^K
8 ~J(](QA
(query, parameter); @zU6t|mhz
} HY&aV2|A1
$}>+kHoT{
public PaginationSupport findPageByCriteria +@p%
p
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(final DetachedCriteria detachedCriteria){ ]6TATPIr
return findPageByCriteria ms*(9l.hOK
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(detachedCriteria, PaginationSupport.PAGESIZE, 0); }\\KYyjY
} }:us:%
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public PaginationSupport findPageByCriteria KK iE@_z
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(final DetachedCriteria detachedCriteria, finalint ~Y|*`C_)
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startIndex){ k <=//r
return findPageByCriteria ca7=V/i_a{
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(detachedCriteria, PaginationSupport.PAGESIZE, lDYyqG4
VF?<{F
startIndex); Y
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} ow_W%I=6
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public PaginationSupport findPageByCriteria ;<Ar=?
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(final DetachedCriteria detachedCriteria, finalint {`LU+
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pageSize, `$,GzS (
finalint startIndex){ y9q8i(E0
return(PaginationSupport) [d(U38BI
nbm&wa[
getHibernateTemplate().execute(new HibernateCallback(){ `6lr4Kk @R
publicObject doInHibernate V^3L3|k
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(Session session)throws HibernateException { G,o6292hj
Criteria criteria = kYG/@7f/
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detachedCriteria.getExecutableCriteria(session); e1%/26\
int totalCount = 5*l T.
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((Integer) criteria.setProjection(Projections.rowCount CE#gfP
8u6:=fxb
()).uniqueResult()).intValue(); VH9dleZ
criteria.setProjection /{+y2.{j
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(null); 95 ;x=ju
List items = B@&4i?yJ
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criteria.setFirstResult(startIndex).setMaxResults DI:]GED"=
NdMb)l)m
(pageSize).list(); pR(jglm7-
PaginationSupport ps = NidIVbT.A
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new PaginationSupport(items, totalCount, pageSize, `|{-+m
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startIndex); s5CXwM6cx
return ps; 7
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} fI&t]
}, true); U>]$a71
} &;^YBW :I
}=<
public List findAllByCriteria(final YC++&Nk
LAB=Vp1y3[
DetachedCriteria detachedCriteria){ ,?>s>bHV
return(List) getHibernateTemplate iiT"5`KY
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().execute(new HibernateCallback(){ NW]Lj>0Y
publicObject doInHibernate w,#>G07D
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(Session session)throws HibernateException { (;T^8mI2
Criteria criteria = hQYL`Dni
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detachedCriteria.getExecutableCriteria(session); RL!Oi|8
return criteria.list(); 9s\A\$("l
}
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}, true); ?}wk.gt>
} 3EJj9}#x"'
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public int getCountByCriteria(final %j.0G`x9 +
t{ xf:~B
DetachedCriteria detachedCriteria){ 't:;irLW.
Integer count = (Integer) BXtCSfY$
3{'Ne}5%I
getHibernateTemplate().execute(new HibernateCallback(){ 8aK)#tNWN
publicObject doInHibernate eD,.~Y#?=
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(Session session)throws HibernateException { &dqLP95
Criteria criteria = ur)9x^y
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detachedCriteria.getExecutableCriteria(session); &S~zNl^m
return _
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criteria.setProjection(Projections.rowCount jyZ (RB
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()).uniqueResult(); l3Xfc2~ 2
} 7%5z p|3
}, true); @$ne{2J3
return count.intValue(); kZR8a(4D
} HVi'eNgo
} +ieY:H[
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用户在web层构造查询条件detachedCriteria,和可选的 %KsEB*'"
m8A#~i .
startIndex,调用业务bean的相应findByCriteria方法,返回一个 6 eLR2
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PaginationSupport的实例ps。 ;D3C>7y
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ps.getItems()得到已分页好的结果集 CyJEY-
ps.getIndexes()得到分页索引的数组 NP0\i1P>.?
ps.getTotalCount()得到总结果数 T$>WE= Y
ps.getStartIndex()当前分页索引 9]k @Q_
ps.getNextIndex()下一页索引 h}[-'>{
ps.getPreviousIndex()上一页索引 e%svrJ2
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 I3aNFa}
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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 nr95YSH
,c;Kzp>e
一下代码重构了。 ?^7t'`zk
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我把原本我的做法也提供出来供大家讨论吧: $Ipg&`S"
Njxv4cc
首先,为了实现分页查询,我封装了一个Page类: *w|:~g
java代码: C^O
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/*Created on 2005-4-14*/ *1uKr9
package org.flyware.util.page; o*-)Tq8GHE
vmU@^2JSJ
/** Z?6%;n^ 54
* @author Joa @3) (BpFe
* qyZ"
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*/ =b%MXT
publicclass Page { 1a?!@g)
o2nv+fyW
/** imply if the page has previous page */ qU+t/C.
privateboolean hasPrePage; VrHv)lUr
m}C>ti`VD
/** imply if the page has next page */ B;M?,<%FRU
privateboolean hasNextPage; rA3$3GLQ-
Jb0`42
/** the number of every page */ tRs [ YK
privateint everyPage; p)jk>j B
_tiujP
/** the total page number */ :y+2*lV
privateint totalPage; ]s]vZ
)P%ZA)l%_o
/** the number of current page */ lG9bLiFY
privateint currentPage; eX?OYDDC0j
Tl%`P_J)-S
/** the begin index of the records by the current 02f~En}>6
4QH3fTv
query */ !02`t4Zc-
privateint beginIndex; ~Y `ldL
,`|3KE9
lsJSYJG&
/** The default constructor */ LzG%Z1`
public Page(){ Z~AO0zUKY
AS!?q
} n4s+>|\M
];VA!++
/** construct the page by everyPage Q!o'}nA
* @param everyPage -C;^3R[
O
* */ m!gz3u]rN
public Page(int everyPage){ ?h3Y)5x T
this.everyPage = everyPage; 9{'N{
} aAZZ8V
}{,^@xdyW
/** The whole constructor */ HU1h8E$-
public Page(boolean hasPrePage, boolean hasNextPage, n3T>QgK
<Q3oT
RU'=ERYC
int everyPage, int totalPage, ?5+.`L9H
int currentPage, int beginIndex){ K`yRr`pW
this.hasPrePage = hasPrePage; 1Lc#m`Jln
this.hasNextPage = hasNextPage; 6o!!=}'E[
this.everyPage = everyPage; p09HL%~R
this.totalPage = totalPage; 3r<~Q7e
this.currentPage = currentPage; X@'uy<tI-
this.beginIndex = beginIndex; (lXGmx8
} A^nvp!_
t=(!\:[D
/** cpe+XvBuK
* @return 4~ q5,^kgB
* Returns the beginIndex. dV*]f$wQ
*/ Gk.
ruQW"
publicint getBeginIndex(){ |!1Y*|Q%s
return beginIndex; (jnzT=y
}
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F<ZYh
/** =qoWCmg"&
* @param beginIndex ls?~+\Jb
* The beginIndex to set. 3oBtP<yG.
*/ $'0u |Xy`
publicvoid setBeginIndex(int beginIndex){ %r<rcY
this.beginIndex = beginIndex; I.WvLLK2
} XQrF4l
4{}FL
/** 9?A)n4b;
* @return ko5 @qNq
* Returns the currentPage. #Z}Rfk(~
*/ )mI 05
publicint getCurrentPage(){ }Q)#[#e
return currentPage; ~t@cO.c
} \6S7T$$ 1m
Km%]1X7T6
/** P!~MZ+7#&
* @param currentPage GSY(
* The currentPage to set. P]<4R:yb
*/ <m!h&_eg
publicvoid setCurrentPage(int currentPage){ tf=6\p
this.currentPage = currentPage; !!qK=V|>
} 0v6)t.]s
6h>wt-tRC
/** Rh3eLt~|(
* @return }elc `jj
* Returns the everyPage. ~<P
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*/ a[v0%W ]u
publicint getEveryPage(){ .0p0_f=
return everyPage; ZWii)0'PV
} t#yk->,
G
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/** ~Xw"}S5
* @param everyPage -B>++r2A^
* The everyPage to set. 214Ml0/%
*/
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publicvoid setEveryPage(int everyPage){ LZ\q37UV
this.everyPage = everyPage; }xKP~h'F
} +cWLjPD/}
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/** <z+t,<3D
* @return 7.-V-?i
* Returns the hasNextPage. =AsEZ)" _
*/ &*sP/z
publicboolean getHasNextPage(){ 68bQ;Dv
return hasNextPage; k=2Lo
} h~A/ y!s
*zNYZ#
/** V
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* @param hasNextPage %`k6w3qI
* The hasNextPage to set. 9 ^o-EC!_
*/ VJ84?b{c
W
publicvoid setHasNextPage(boolean hasNextPage){ pb^i^tA+A
this.hasNextPage = hasNextPage; m9)p-1y@5
} 6f;fx}y
uzXCIv@
/** iz5CAxm
* @return '#!
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* Returns the hasPrePage. {Z{75}
*/ d[[]PX
publicboolean getHasPrePage(){ cD@(/$wt
return hasPrePage; .=U#eHBdAQ
} Pnw]Tm}g
~"dA~[r
L
/** 4p e'06:
* @param hasPrePage RFKtr
* The hasPrePage to set. YW-usvl&
*/ m%rd0=}57
publicvoid setHasPrePage(boolean hasPrePage){ \:R%4w#Jv
this.hasPrePage = hasPrePage; ,9?BcD1
} ai}mOyJs
8][nmjk0
/** X$%'
* @return Returns the totalPage. XV!6dh!
* d^/3('H6
*/ -HQQw$
publicint getTotalPage(){ Yi
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return totalPage; TPVVck-T8
} B!
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VzBqjE_
/** U
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* @param totalPage AUeu1(
* The totalPage to set. <m:m &I
8@
*/ 7}1~%:6
publicvoid setTotalPage(int totalPage){ ;sfb 4x4
this.totalPage = totalPage; Rn#KfI:{
} tzZ63@cm
PiY Y6i0
} 6\L0mcXR!
z25lZI" X`
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4B=2>k
sfLMkE
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 4f@o mAM
INUG*JC6
个PageUtil,负责对Page对象进行构造: =b38(\
java代码: U0=]
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/*Created on 2005-4-14*/ Gn&-X]Rrl
package org.flyware.util.page; uC.K<jD%
Xf0M:\w=M
import org.apache.commons.logging.Log; jQk*8
import org.apache.commons.logging.LogFactory; pqUCqo!m\
"~E[)^ANxD
/** ,PlO8;5]
* @author Joa syk!7zfK
* nv)2!mAh\
*/ )X04K~6lY
publicclass PageUtil { :z}MIuf
El<]b7
privatestaticfinal Log logger = LogFactory.getLog .b\$MZ"(
0MV>"aV
(PageUtil.class); #G|qD
7:Ax(El
/** ^?$WVB
* Use the origin page to create a new page 0 - ><q
* @param page pkP?i5,
* @param totalRecords e'~Zo9`r6
* @return 5'0xz.)!
*/ X_qf"|i
publicstatic Page createPage(Page page, int b k|m4|
qL5{f(U4<
totalRecords){ Jm|+-F@I
return createPage(page.getEveryPage(), wg ^sGKN
%cCs?ic
page.getCurrentPage(), totalRecords); =PUt&`1.a
} 3VuW#m#j
+${D
/** V I,ACj
* the basic page utils not including exception }YjX3|8zL=
";BlIovT=R
handler 9V,!R{kO!
* @param everyPage :*t"8;O[
* @param currentPage =81@o,1w
* @param totalRecords N+zKr/
* @return page :q
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*/ Ib|Rf;J~-
publicstatic Page createPage(int everyPage, int CL)lq)1(
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currentPage, int totalRecords){ :}r.
everyPage = getEveryPage(everyPage); uqM yoIc
currentPage = getCurrentPage(currentPage); YWMGB#=
int beginIndex = getBeginIndex(everyPage, |_}2f
Bt1p'g(V|
currentPage); D6CS8
~"
int totalPage = getTotalPage(everyPage, /y A7%2
!E,A7s
totalRecords); KQ`qpX^d
boolean hasNextPage = hasNextPage(currentPage, Kk(9O06j
R-NS,i={
totalPage); Q9Uf.Lh2
boolean hasPrePage = hasPrePage(currentPage); /D5`
;=geHiQHA
returnnew Page(hasPrePage, hasNextPage, I+Jm>XN
everyPage, totalPage, L,SGT8lL
currentPage, <cZGxff01
%ThyOl@O
beginIndex); fq5_G~c=
} C|d\3S\(
|X,|QC*7?
privatestaticint getEveryPage(int everyPage){ /c"efnb!
return everyPage == 0 ? 10 : everyPage; Ob}?zl@
} $"dR
SysB
uA,>a>xYI
privatestaticint getCurrentPage(int currentPage){ DVah
return currentPage == 0 ? 1 : currentPage; AgOp.~*Z~V
} 5~Cakd]>
I#m-g-J
privatestaticint getBeginIndex(int everyPage, int SF}<{x_
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currentPage){ i:rFQ8I
return(currentPage - 1) * everyPage; )'/|)
} 6lkl7zm
.fN"@l
privatestaticint getTotalPage(int everyPage, int &j?#3Qt'_
@Ukr
totalRecords){ <EPj$::
int totalPage = 0; F6o_b4l
^zE wA
if(totalRecords % everyPage == 0) F^N82
totalPage = totalRecords / everyPage; ]Pry>N3G5
else h@:TpE+N
totalPage = totalRecords / everyPage + 1 ; y_*PQZ$c<
{88gW\GL
return totalPage; UbEb&9}
} CPVjmRUF|
lY~4'8^
privatestaticboolean hasPrePage(int currentPage){ HS{(v;
return currentPage == 1 ? false : true; AjJURn0`,!
} _<=S_<$2
"jTKSgv+q5
privatestaticboolean hasNextPage(int currentPage, nL$x|}XAcj
:ml2.vP
int totalPage){ 56e r`=ms
return currentPage == totalPage || totalPage == 7M<'ddAN
Ubh{!Y
0 ? false : true; 1QcT$8HA
} lIUuA
GuGOePV
@HRC\OG
} @g2cC
%9k!A]KD
XYS'.6k(
aFe`_cnG
{K4+6p
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。 :C}2=
2<`.#zIds
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 R+nMy=I%8
)LJnLo+
做法如下: "t({D
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 5DXR8mLoaJ
)I^2k4Cg"
的信息,和一个结果集List: Nc:({@I
java代码: e1>aTu@
t6,wjN-J
e'*`.^
/*Created on 2005-6-13*/ Rl qQ
package com.adt.bo; &ISb~5
UOGuqV-
import java.util.List; :l2g# * c
1iX)d)(b
import org.flyware.util.page.Page; Nru7(ag1~
G0`h %
/** #l4)HV
* @author Joa 3m>+-})d
*/ f'<Q.Vh<
publicclass Result { Mmo6MZ^
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private Page page; yfjK2
oEx\j+}@n
private List content; y.=/J8->
Rx*BwZ
/** `%E8-]{uS
* The default constructor >_c5r?]S G
*/ P+!"wX0*N
public Result(){ [6)UhS8
super(); KjFK/Og.
} n:0}utU4
< -uc."6\
/** 'Q
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* The constructor using fields $xOI 1|d
* 9%iUG(DC
* @param page U9&k;`
* @param content ?_oF :*~\
*/ [F_/2+e
public Result(Page page, List content){ UWZa|I~:J
this.page = page; e/*$^i+S
this.content = content; m6MOW&
} V~T@6S
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/** R g?1-|Tj
* @return Returns the content. AsPx?
*/ n4R2^gXAw
publicList getContent(){ q;fKcblKj
return content; l"{Sm6:;-
} g
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a8dXH5_
/** TDg@Tg0
* @return Returns the page. :qR=>n=
*/ !PMU O\y
public Page getPage(){ &SAH2xR
return page; c(U
} *d(SI<j
@v}B6j b;
/** t ?h kL
* @param content $s4Wkq
* The content to set. \eGKkSy
*/ @)>D))+
public void setContent(List content){ P_gYz!
this.content = content; ?!=iu!J
} }C
/]
T#
lP!c
/** WKpA|
* @param page `^(jm
* The page to set. &3v&i*DG,I
*/ =H %-.m'f2
publicvoid setPage(Page page){ R//$r%a
this.page = page; 2oZ9laJO
} vLa#Y("
} ^*&X~8@)
=39 ?:VoD
EQIUSh)M
j'HkBW:L
2 $ !D* <
2. 编写业务逻辑接口,并实现它(UserManager, n;8 '`s
K9[e>
UserManagerImpl) 1z*kc)=JF8
java代码: b?Pj< tA
"BKeot[""p
Z,c,G2D
/*Created on 2005-7-15*/ {kLGWbo|Q
package com.adt.service; v8/6wy?
`W `0Fwu9
import net.sf.hibernate.HibernateException; a=xT(G0Re
Sd))vS^g
import org.flyware.util.page.Page; w?mEuXc
F52B~@.
import com.adt.bo.Result; _Mc>W0'5@
C}?0`!Cc%
/** lFUWV)J\
* @author Joa ]h!`IX
*/ NQ|xM"MqD
publicinterface UserManager { 3+xy4G@L
fd8!KO
public Result listUser(Page page)throws VW@ x=m
S2C]?6cTq
HibernateException; p T[gdhc
"PH6e bm
} 6QZ5|T ]
q
(+ZwaV@
s?3i)Ymr
!umEyd@ "
G{x[uE2X&f
java代码: [9mL $;M
W
;`v% sx#
wP"q<W
g
/*Created on 2005-7-15*/ K{cbn1\,H
package com.adt.service.impl; TNY4z(r
*zVvQ=
import java.util.List; yPu4T6Vv
(0Naf
import net.sf.hibernate.HibernateException; t~M
$%)h
OQ4c#V?
import org.flyware.util.page.Page; R^MiP|?ZH
import org.flyware.util.page.PageUtil; C+K=[
Vv*NFJ |
import com.adt.bo.Result; T~gW3J
import com.adt.dao.UserDAO; *~z#.63oZ
import com.adt.exception.ObjectNotFoundException; DB`QsiC)
import com.adt.service.UserManager; 7ODaX.t->
-DO&