Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 6RLYpQ$+
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 d/O~"d
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据这一功能,我设计了通用的抽象Bean基类和分页类支持,代码来 (93+b%^[
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自于Quake Wang的javaeye-core包的相应类,然后又做了很多修改 OIMsxXF\J
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分页支持类: =-e`OHA
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java代码: ?B"k9+%5ej
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package com.javaeye.common.util; 1webk;IM
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import java.util.List; Az}.Z'LJ
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publicclass PaginationSupport { J7`fve
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publicfinalstaticint PAGESIZE = 30; q`l%NE
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privateint pageSize = PAGESIZE; \L"Vx9xT
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privateList items; 0#AS>K5
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privateint totalCount; ]{Ytf'bG
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privateint[] indexes = newint[0]; NYoh6AR
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privateint startIndex = 0; H<|ilL'fX
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public PaginationSupport(List items, int
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totalCount){ pu:Ie#xTDf
setPageSize(PAGESIZE); jo8hVWJ7V*
setTotalCount(totalCount); <,r|*pkhp~
setItems(items); %MQU&H9[
setStartIndex(0); &o$z[b
} 7S_rN!E1i*
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public PaginationSupport(List items, int GESEj%R/b
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totalCount, int startIndex){ 3++}4%w
setPageSize(PAGESIZE); R aVOZ=^-
setTotalCount(totalCount); hmRnr=2N
setItems(items); :ub 4p4h*
setStartIndex(startIndex); OD*\<Sc
} csceu+IA
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public PaginationSupport(List items, int KxZO.>,
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totalCount, int pageSize, int startIndex){ L9| 55z
setPageSize(pageSize); ^usZ&9"@P
setTotalCount(totalCount); J4yL"iMt
setItems(items); Ry@QJn I<
setStartIndex(startIndex); UE-<
} o7/S'Haxc]
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publicList getItems(){ p(jY2&g
return items; pSjJ u D
} 0]3 ,0s $}
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publicvoid setItems(List items){ WF)(Q~op0U
this.items = items; G E=J Y
} yqaLqZ$
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publicint getPageSize(){ 3@qy}Nm
return pageSize; 1S&GhJ<wJ
} #H'j;=]:
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publicvoid setPageSize(int pageSize){ O_zW/#
this.pageSize = pageSize; LW={| 3}
} vD=>AAvG
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publicint getTotalCount(){ +VJS/
return totalCount; laRcEXj
} #Tz$ona
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publicvoid setTotalCount(int totalCount){ BGtr= &Hq
if(totalCount > 0){ w\"~*(M
this.totalCount = totalCount; -C]k YQ
int count = totalCount / #41xzN
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pageSize; -/x=`S*
if(totalCount % pageSize > 0) :y/1Jf'2f
count++; #ujry.m
indexes = newint[count]; 4LEWOWF}
for(int i = 0; i < count; i++){ r8.`W\SKX
indexes = pageSize * ($Cy-p
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} }V:B,:
}else{ 3 291"0
this.totalCount = 0; F9ys.Bc
} 6:fHPlqW
} 7Ei,L[{\i#
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publicint[] getIndexes(){ 04K[U9W3
return indexes; {8TLL@T4
} iS p +~
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publicvoid setIndexes(int[] indexes){ S:bYeD4
this.indexes = indexes; |/qwR~
} ?z
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publicint getStartIndex(){ &d%\&fCm(
return startIndex; X#ZQpo'h
} *^ZJ&.
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publicvoid setStartIndex(int startIndex){ B(pxyv)
if(totalCount <= 0) f`$F^=
this.startIndex = 0; ,4Q1[K35B
elseif(startIndex >= totalCount) h23"<
this.startIndex = indexes TpAE 9S
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[indexes.length - 1]; e^LjB/<Th
elseif(startIndex < 0) Dias!$g
this.startIndex = 0; lm;Dy*|<