Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 TQykXZ2Yb)
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 Oq:$GME
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据这一功能,我设计了通用的抽象Bean基类和分页类支持,代码来 c`/kx
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自于Quake Wang的javaeye-core包的相应类,然后又做了很多修改 |Yv,zEY)
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分页支持类: &[
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java代码: =7EkN% V:{
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package com.javaeye.common.util; /4}y2JVv)
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import java.util.List; ^\r{72!y
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publicclass PaginationSupport { I|Mw*2U
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publicfinalstaticint PAGESIZE = 30; ^a$L9p(
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privateint pageSize = PAGESIZE; PAH#yM2Ic
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privateList items; LP/SblE
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privateint totalCount; z/nW;ow
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privateint[] indexes = newint[0]; 8Un0<+b
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privateint startIndex = 0; \odns
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public PaginationSupport(List items, int {;Oj
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totalCount){ qTN30(x2
setPageSize(PAGESIZE); Kw2]J)TO
setTotalCount(totalCount); ENI|e,'[
setItems(items); 7I*rtc&Kb
setStartIndex(0); bP,Ka
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public PaginationSupport(List items, int h>p,r\X
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totalCount, int startIndex){ $M~`)UeV_
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setItems(items); c~}FYO$
setStartIndex(startIndex); ;9q$eK%d
} $.31<@T7
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public PaginationSupport(List items, int fAfB.|cd
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totalCount, int pageSize, int startIndex){ $e.Bz`
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setTotalCount(totalCount); #B
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setItems(items); er2;1TW3E
setStartIndex(startIndex); b<[]z,
} ?A~=.u@[d
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publicList getItems(){ +n)bWB%
return items; $"k1^&&E
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publicvoid setItems(List items){ 2sVDv@2
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publicint getPageSize(){ SpOSUpl%
return pageSize; C4t~k
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publicvoid setPageSize(int pageSize){ Bo1 t}#7
this.pageSize = pageSize; *Wcq'S
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publicint getTotalCount(){ )i\foSbB`V
return totalCount; +ZV?yR2yn
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publicvoid setTotalCount(int totalCount){ ~H"-km"@
if(totalCount > 0){ Q5IN1
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this.totalCount = totalCount; &(jt|?{
int count = totalCount / Ri}JM3\J
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pageSize; Vg
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if(totalCount % pageSize > 0) PWyFys
count++; $-6[9d-N
indexes = newint[count]; 7t78=wpLc
for(int i = 0; i < count; i++){ g91xUG
indexes = pageSize * AboRuHQ
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} faZc18M^1
}else{ Ie8SPNY-H
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publicint[] getIndexes(){ N'|9rB2e
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publicvoid setIndexes(int[] indexes){ WckWX]};S
this.indexes = indexes; B<~BX[
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publicint getStartIndex(){ wB<