Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 <SbW
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 pzH N:9r
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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 ]xbR:CYJ
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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 h@t&n@8O?
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分页支持类: u-yQP@^H
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java代码: #GY;.,
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package com.javaeye.common.util; S2h?Q$e3
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import java.util.List; PJsiT4<
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publicclass PaginationSupport { s=#3f3
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publicfinalstaticint PAGESIZE = 30; 7xz|u\?_2
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privateint pageSize = PAGESIZE; C1Slx!}
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privateList items; ci <`*>l
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privateint totalCount; c 7E=1*C<
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privateint[] indexes = newint[0]; 0Ou`&u
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privateint startIndex = 0; Rku9? zf^
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public PaginationSupport(List items, int "(>P=
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totalCount){ ]=m
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setPageSize(PAGESIZE); udMDE=1~L
setTotalCount(totalCount); ]2+7?QL,
setItems(items); |Qo;=~7
setStartIndex(0); HE,# pj(D
} TG~:Cmc
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public PaginationSupport(List items, int 5^~%10=
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totalCount, int startIndex){ gT22!
setPageSize(PAGESIZE); a=+qR:wT
setTotalCount(totalCount); ri<E[8\
setItems(items); 1D sgU6"
setStartIndex(startIndex); 7loIX Qw
} N=YRYUo
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public PaginationSupport(List items, int 3i/$YX5@
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totalCount, int pageSize, int startIndex){ %qfql
setPageSize(pageSize); mx y>
setTotalCount(totalCount); G'{$$+U^K
setItems(items); mp:%k\cF|
setStartIndex(startIndex); A]id*RtY
} *tC]Z&5
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publicList getItems(){ C0eP/d
return items; n[H3b}
} hiZE8?0+~N
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publicvoid setItems(List items){ XbsEO>_Z'A
this.items = items; {7LO|E}7
} jO)UK.H#
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publicint getPageSize(){ *4"s,1?@BG
return pageSize; M^JRHpTn
} BFmd`#{l
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publicvoid setPageSize(int pageSize){ rV>/:FG
this.pageSize = pageSize; fgVeB;k|
} [#S}L(
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publicint getTotalCount(){ vtM!?#
return totalCount; g.ty#Z=:
} R}'kF63u*
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publicvoid setTotalCount(int totalCount){ [XK Ke
if(totalCount > 0){ TR/'L!EE
this.totalCount = totalCount; |!NKKvf
int count = totalCount / L
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pageSize; sS/#)/B
if(totalCount % pageSize > 0) @.T(\Dq^
count++; `OO=^.-u
indexes = newint[count]; @5+ JXD
for(int i = 0; i < count; i++){ &(UVS0=Dp,
indexes = pageSize * K<'L7>s3lA
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} 6Y<'Lyg/
}else{ _R-[*ucq
this.totalCount = 0; L5=Tj4`
} (;T$[ru`
} !{tkv4
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publicint[] getIndexes(){ WX$mAQDV
return indexes; a"uO0LOb
} 4)./d2/E
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publicvoid setIndexes(int[] indexes){ ~?TGSD@(
this.indexes = indexes; 7714}%Z
} Ta^l1]9.*
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publicint getStartIndex(){ Cg[]y1Ne
return startIndex; ~=qJSb
} ""Nu["|E
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publicvoid setStartIndex(int startIndex){ ,&[2z!
if(totalCount <= 0) d:jD
this.startIndex = 0; o%_MTCANy
elseif(startIndex >= totalCount) 9|#YKO\\i
this.startIndex = indexes ug*#rpb
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[indexes.length - 1]; lIPy)25~
elseif(startIndex < 0) D.elE:
this.startIndex = 0;
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else{ fZ!fwg$
this.startIndex = indexes iy_'D
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[startIndex / pageSize]; Mr'P0^^
} /Ud<4j-
} +NL^/y<;
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publicint getNextIndex(){ <8Y;9N|94!
int nextIndex = getStartIndex() + "e.QiK
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