Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 Xy=ETV%
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 NQ 6oyg@&
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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 \ f+;X
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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 5o>`7(t`
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分页支持类: ^tG,H@95
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java代码: i.)n#@M2
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package com.javaeye.common.util; 63Gq5dF
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import java.util.List; .Hqq!&
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publicclass PaginationSupport { Y]0c%Fd
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publicfinalstaticint PAGESIZE = 30; GEf=A.WAfw
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privateint pageSize = PAGESIZE; y _"V=:
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privateList items; {Oy|c
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privateint totalCount; 6#CswSpS
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privateint[] indexes = newint[0]; 8YlZ({f
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privateint startIndex = 0; %?gG-R
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public PaginationSupport(List items, int H<i!C|AF
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totalCount){ +)q ,4+K%}
setPageSize(PAGESIZE); i]k)wr(
setTotalCount(totalCount); 1[Yl8W%pj
setItems(items); #n|5ng|CJ
setStartIndex(0); zc)nDyn
} JnK<:]LcK
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public PaginationSupport(List items, int )?#K0o[<
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totalCount, int startIndex){ mm:TR?^
setPageSize(PAGESIZE); 95@u|#n
setTotalCount(totalCount); c{y'&3\
setItems(items); HLV8_~gQPf
setStartIndex(startIndex); IL.bwtpQD
} m-Jy
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public PaginationSupport(List items, int y<- ]'Yts
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totalCount, int pageSize, int startIndex){ Ep./->fOA
setPageSize(pageSize); }9\6!GY0
setTotalCount(totalCount); o}KVT%}
setItems(items); C;JW\J~W
setStartIndex(startIndex); 7!jb
} #*CMf.OCh
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publicList getItems(){ BE@(| U
return items; d9TTAaf
} >Df;1:U
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publicvoid setItems(List items){ 18F}3t??
this.items = items; RA<ky*^dr
} +5|k#'%5
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publicint getPageSize(){ y-.{){uaD
return pageSize; +jB;
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publicvoid setPageSize(int pageSize){ `W)?d I?#M
this.pageSize = pageSize; y]@JkF(
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publicint getTotalCount(){ c8mh#Tbl
return totalCount; -(
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} &)Qq%\EP4
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publicvoid setTotalCount(int totalCount){ [Y*>x2X
if(totalCount > 0){ PA
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this.totalCount = totalCount; dI%jR&.e;
int count = totalCount / "!vY{9,
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pageSize; ELnUpmv\
if(totalCount % pageSize > 0) (S W6?5
count++; %Jh(5
indexes = newint[count]; Hm'fK$y(
for(int i = 0; i < count; i++){ ] \|2=
indexes = pageSize * Z|*#)<|~
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} ?+d{Rh)y
}else{ #lqH/>`>
this.totalCount = 0; !$1qnsz
} UVlB=
} y[l{
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publicint[] getIndexes(){ ?q4`&";{3
return indexes; WynTU?
} Hl%Og$q3
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publicvoid setIndexes(int[] indexes){ *V:U\G
this.indexes = indexes; 3t+{~{Dj
} "Ua-7Q&A
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publicint getStartIndex(){ j~\FDcG*ed
return startIndex; E)m \KSwh
} x*F-d2D
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publicvoid setStartIndex(int startIndex){ NvIg,@}
if(totalCount <= 0) yc]_ ?S>9
this.startIndex = 0; +~G:z|k
elseif(startIndex >= totalCount) _J\zj
this.startIndex = indexes S[9b
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[indexes.length - 1]; ,{:qbt
elseif(startIndex < 0) NVkYm+J#
this.startIndex = 0; ~28{BY
else{ |Tmug X7
this.startIndex = indexes 'q;MhnU+
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[startIndex / pageSize]; P]^8Enp
} dkEbP*yXg
} ]!S#[Wt {k
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