Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 W\;|mEEu
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 BzO,(bd!PI
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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 5$N#=i`V
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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 K5BL4N
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分页支持类: ^+CHp(X
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java代码: l!&ik9m
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package com.javaeye.common.util; BI %XF
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import java.util.List; )OxcCV?5Z
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publicclass PaginationSupport { s8>y&b.
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publicfinalstaticint PAGESIZE = 30; -`* 'p i
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privateint pageSize = PAGESIZE; $8%"bR;Hu
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privateList items; $/IFSB9
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privateint totalCount; PS+~JwD Uc
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privateint[] indexes = newint[0]; Z/ jmi
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privateint startIndex = 0; A`Y^qXFb`
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public PaginationSupport(List items, int \WE&5
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totalCount){ _
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setPageSize(PAGESIZE); nM2<u[{gF
setTotalCount(totalCount); (b<0=U
setItems(items); rMbq_5}
setStartIndex(0); j7kX"nz
} C:5-h(#
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public PaginationSupport(List items, int QDQ"Sc06
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totalCount, int startIndex){ 9AX}V6\+
setPageSize(PAGESIZE); NOXP}M
setTotalCount(totalCount); Si?s69
setItems(items); '%[ Y
setStartIndex(startIndex); 8e*skL
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public PaginationSupport(List items, int [-_{3qq<e
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totalCount, int pageSize, int startIndex){ \~E?;q!
setPageSize(pageSize); D0FX"BY7
setTotalCount(totalCount); nXLz<wE
setItems(items); l1DJ<I2
setStartIndex(startIndex); fe/;U=te
} I$t8Ko._"
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publicList getItems(){ d/Q#Z
return items; M0fN[!*z
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publicvoid setItems(List items){ \(i'i C
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publicint getPageSize(){ o{,IO!q
return pageSize; `CS\"|z
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publicvoid setPageSize(int pageSize){ \s*UUODWK
this.pageSize = pageSize; I2$DlEke
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publicint getTotalCount(){ (NLw#)?
return totalCount; GB|>eZLv<
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publicvoid setTotalCount(int totalCount){ P!+Gwm{
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this.totalCount = totalCount; *ai~!TR
int count = totalCount / ^H.B6h?
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if(totalCount % pageSize > 0) ?A|JKOst]
count++; NF8<9
indexes = newint[count]; jlj ge=#c2
for(int i = 0; i < count; i++){ 4C3_gm
indexes = pageSize * gvR]"h
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} @.-S(MNR
}else{ ?0t^7HMP
this.totalCount = 0; X+]>pA
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publicint[] getIndexes(){ Vr},+Rj
return indexes; v]( Y n)#
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publicvoid setIndexes(int[] indexes){ ni2#20L
this.indexes = indexes; g{DehBM
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publicint getStartIndex(){ @\&j3A
return startIndex; R0INpF';
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publicvoid setStartIndex(int startIndex){ |2l-s 1|y
if(totalCount <= 0) |s!
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this.startIndex = 0; id:,\iJ
elseif(startIndex >= totalCount) >}* W$i
this.startIndex = indexes ;"nO'wN:h
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[indexes.length - 1]; &"%Ws{Qn]
elseif(startIndex < 0) Y|LL]@Lv
this.startIndex = 0; Cw(e7K7&
else{ ch8VJ^%Ra1
this.startIndex = indexes xZ {6!=4!
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[startIndex / pageSize]; .5Y{Yme
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publicint getNextIndex(){ s-rc0:I
int nextIndex = getStartIndex() + uNn1qV
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pageSize; &