Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 ,AJd2i x
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 r=vE0;7
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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 z}5XLa^
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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 9X-DR
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分页支持类: ,PB?pp8C}
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java代码: 4#o` -vcW
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package com.javaeye.common.util; P++gR@
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import java.util.List; te`4*t
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publicclass PaginationSupport { {uw]s<
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publicfinalstaticint PAGESIZE = 30; 5\pizD/17
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privateint pageSize = PAGESIZE; DP?gozm
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privateList items; $h2h&6mH
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privateint totalCount; WA<~M)rb
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privateint[] indexes = newint[0]; Aam2Y,B
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privateint startIndex = 0; G#csN&|,
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public PaginationSupport(List items, int @E}4LTB
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totalCount){ p4/D%*G^`
setPageSize(PAGESIZE); :5dq<>~
setTotalCount(totalCount); ,Rf<6 /A
setItems(items); 7 `|- K
setStartIndex(0); (LnKaf8
} \X(.%5xC
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public PaginationSupport(List items, int 1(-)$m8}
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totalCount, int startIndex){ 8garRB{
setPageSize(PAGESIZE); ~; MRQE
setTotalCount(totalCount); lwV#j}G
setItems(items); f>Ge
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setStartIndex(startIndex); + 505
} G-Y8<mEh
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public PaginationSupport(List items, int s01n[jQ
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totalCount, int pageSize, int startIndex){ M]oaWQu
setPageSize(pageSize); wE'~Qj
setTotalCount(totalCount); &n['#7 <(!
setItems(items); WXJ%bH
setStartIndex(startIndex); se_1wCYz
} 1"i/*}M
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publicList getItems(){ l{kum2DT
return items; |_Vlw&qu+
} Obbjl@]
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publicvoid setItems(List items){ UF?qL1w
this.items = items; m'Ran3rp
} Ug/b;( dJ'
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publicint getPageSize(){ 59GS:
return pageSize; Z[ys>\_To
} =ove#3
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publicvoid setPageSize(int pageSize){ E<0Y;tR
this.pageSize = pageSize; "Ln)v
} U4Il1|
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publicint getTotalCount(){ "1Vuf<?C
return totalCount; g%Eb{~v
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publicvoid setTotalCount(int totalCount){ I t",WFE.
if(totalCount > 0){ ih~ R?W
this.totalCount = totalCount; !?,rcgi
int count = totalCount / 2Lm.;l4YO
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pageSize; NU O9,
if(totalCount % pageSize > 0) /alJN`g
count++; i,ga2{GnM
indexes = newint[count]; ~~z}yCl
for(int i = 0; i < count; i++){ `i;f
indexes = pageSize * <8~bb-U$
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} q9|'!m5K
}else{ ]%pr1Ey
this.totalCount = 0; 8a)lrIg
} mSr(PIH{\
} PCtf&U