Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 t>@3RBEK
%E7.$Gj%
detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 HCkqh4
)}\@BtcjA]
据这一功能,我设计了通用的抽象Bean基类和分页类支持,代码来 Sc3M#qm_
'N ::MN
自于Quake Wang的javaeye-core包的相应类,然后又做了很多修改 6FIoWG"x
<?Izfl6
。 hcc-J)=m
"d>g)rvOc
分页支持类: SSbK[aR
ixHZX<6zYT
java代码: O[p^lr(B7
A<CXd t+t
]l7\Zq
package com.javaeye.common.util; h]DECd{
M#=5u`h
import java.util.List; ,W8Iabi^
64rk^Um
publicclass PaginationSupport { 8Pr7aT:,
cPaWJ+c
publicfinalstaticint PAGESIZE = 30; ?[1qC=[Z<
L0|hc
privateint pageSize = PAGESIZE; *[~o~e/YCb
, !%R5*?=D
privateList items; +ls*//R
.C;_4jE
privateint totalCount; (yAvDyJOn
{!e ANm'
privateint[] indexes = newint[0]; IgR"euU
DcR}pQ(e
privateint startIndex = 0; l(w vQO
Y0fO.k#C^
public PaginationSupport(List items, int tvH\iS #V
,\9m At1O
totalCount){ u}LX,B-n(
setPageSize(PAGESIZE); .0fh>kQ
setTotalCount(totalCount); 46P6Bwobh
setItems(items); P9TBQW2G{
setStartIndex(0); (p.3'j(
} 3AQ>>) T~
LUDJPIk
public PaginationSupport(List items, int |~bR.IA
DMcxa.Sd!
totalCount, int startIndex){ [kuVQ$)
setPageSize(PAGESIZE); YyJ{
setTotalCount(totalCount); Z'*Z@u3
setItems(items); 7kX$wQZ_
setStartIndex(startIndex); YaNH.$.:
} #W%)$kc
+5t
bK
public PaginationSupport(List items, int <k\H`P
c6Aut`dK
totalCount, int pageSize, int startIndex){ oAZF3h]po
setPageSize(pageSize); bA<AG*
setTotalCount(totalCount); \aVY>1`
setItems(items); z'oiyXEE3
setStartIndex(startIndex); ){
} }uI7\\S
#3Ej0"A@-B
publicList getItems(){ !H1tBg]5
return items; rx6-~0!eI=
} A6NxM8ybn+
Ed^uA+D
publicvoid setItems(List items){ qQxA@kdd
this.items = items; V@_-H
gg
} (e8G
(
]Q4PbW
publicint getPageSize(){ WfDX"rA
return pageSize; M,t*nG
} C3\E.u?
"7yNKO;W
publicvoid setPageSize(int pageSize){ &`yOIX-H_
this.pageSize = pageSize; y5/'!L)g
} `/w\2n
R{)
Q1~H=q
publicint getTotalCount(){ hY=w|b=Y
return totalCount; Rj}o4s2x
} 4g7ja
ran^te^Ks(
publicvoid setTotalCount(int totalCount){ WfRfx#MMt
if(totalCount > 0){ S~k*r{?H})
this.totalCount = totalCount; 6hM]%
int count = totalCount / sp=OT-Pfp
!0ce kSesr
pageSize; Y8%0;!T
if(totalCount % pageSize > 0) |/;U)M
count++; Q'|0?nBOY
indexes = newint[count]; OpK.Lsd0y
for(int i = 0; i < count; i++){ 8wII{FHX
indexes = pageSize * +:> J Z$
+%Lt". o
i; `s`C{|wv
} )_77>f%
}else{ 4O`6h)!NQ
this.totalCount = 0; o#xgrMB
} U~*c#U"bh
} 6X7s 4
&:c:9w
publicint[] getIndexes(){ gwSN>oj
&
return indexes; _)KY
} )RwBg8
J]}FC{CD!
publicvoid setIndexes(int[] indexes){ k7^R,.c@
this.indexes = indexes; Mlv<r=E
} z wL3,!t
"v(G7*2
publicint getStartIndex(){ P</s)"@
return startIndex; 1$$37?FE
} PSTu /^
l80bHp=
publicvoid setStartIndex(int startIndex){ $ph0ag+
if(totalCount <= 0) [N)#/6j
this.startIndex = 0; VpkD'<