Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 <Z%iP{
a nK7j2
detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 S-{3'D[Nj
2_@vSwC
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+(}nz4
8&FnXhZg4
自于Quake Wang的javaeye-core包的相应类,然后又做了很多修改 "Ka2jw,
Qhlgu!
。
,L ;ueAo
'V";"Ei
分页支持类: fpbb <Ro
'"C$E922
java代码: xE(VyyR
Vy-N3L
'^f,H1oW
package com.javaeye.common.util; ?o'!(3`L
a1]@&Dr
import java.util.List; Bw2-4K\"kc
6.? Ke8iC
publicclass PaginationSupport { dKyJ.p
8
1; QF_C
publicfinalstaticint PAGESIZE = 30; 8z&7wO
b e[KNrO
privateint pageSize = PAGESIZE; *B"p:F7J|
90OSe{
privateList items; $]:ycn9l
2O\p`,.
privateint totalCount; jt|e?1:vF
$_s"16s
privateint[] indexes = newint[0]; l
\~w(8g<A
+Bk d
privateint startIndex = 0; C.I.f9s?R
.nCF`5T!
public PaginationSupport(List items, int
'PW~4f/m
HO ,z[6
totalCount){ nG<_&h
setPageSize(PAGESIZE); "&;>l<V
setTotalCount(totalCount); BS<5b*wG
setItems(items); \6A-eWIQif
setStartIndex(0); hES_JbX}]
} DiMkcK_e
LGx]z.30B
public PaginationSupport(List items, int _:oB#-0
((i%h^tGa;
totalCount, int startIndex){ +4G]!tV6
setPageSize(PAGESIZE); 8[
setTotalCount(totalCount); 6t9Q,+nJ
setItems(items); %00KOM:
setStartIndex(startIndex); *^R?*vNs
} -r%4,4
XOsPKq
public PaginationSupport(List items, int A[QUFk(
6Yw;@w\
totalCount, int pageSize, int startIndex){ d?dZ=]~C
setPageSize(pageSize); UH=pQm^W
setTotalCount(totalCount); -*8 |J;
setItems(items); }Z5f5q
setStartIndex(startIndex); k<p$BZ
} ">='l9
MY>mP
publicList getItems(){ SV%;w>
return items; HGqT"NJr
} YTH3t]
&
\9Nd"E[B
publicvoid setItems(List items){ &2-dZK
this.items = items; &DoYz[q
} jOL $kiW0
aO:wedfl
publicint getPageSize(){ +3]1AJa
return pageSize; H_gY)m
} R5M/Ho 4
$X1T!i[.X
publicvoid setPageSize(int pageSize){ ,l-tLc
this.pageSize = pageSize; kSJWXNC
} &%M!!28X:
G9'Wo.$ t
publicint getTotalCount(){ ;T1OXuQ
return totalCount; X|!VtO
} $ M?VJ\8
*o<zo
`
publicvoid setTotalCount(int totalCount){ eUP.:(E
if(totalCount > 0){ nrqr p
this.totalCount = totalCount; F_>OpT
int count = totalCount / cMxuG'{=.
OwhMtYq
pageSize; \;&WF1d`ac
if(totalCount % pageSize > 0) pVgzUu7
count++; ;a@%FWc
indexes = newint[count]; #R2wt7vE
for(int i = 0; i < count; i++){ iTTUyftHT
indexes = pageSize * lu~<pfg
JC|j*x(k/
i; W&E?#=*X
} :x"Q[079
}else{ bCWSh~
this.totalCount = 0; -'SpSy'_
} 38<!Dt+S(,
} xgsE JE
fuRCM^U(
publicint[] getIndexes(){ 9FB k|g"U)
return indexes; +OSF0#bj
} +<#0V!DM
Zy!^HS$
publicvoid setIndexes(int[] indexes){ (jj=CLe
this.indexes = indexes; zx:Qz
} u-v/`F2wN
W=zHD9
publicint getStartIndex(){ }<m'Nkz<X
return startIndex; #0OW0:Q
} y8oqCe)
zfS0M
publicvoid setStartIndex(int startIndex){ N]yh8"7X
if(totalCount <= 0) ! @EZ
this.startIndex = 0; &y\7pAT\
elseif(startIndex >= totalCount) jVA|Vi_2
this.startIndex = indexes {yXpBS
90Rz#qrI*
[indexes.length - 1]; 7$"{&