Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 %x2uP9
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 H<`\bej,
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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 56DoO'
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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 X4wH/q^
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分页支持类: T|;@T^
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java代码: H z@h0+h
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package com.javaeye.common.util; E9+ HS
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import java.util.List; KVR~jF%
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publicclass PaginationSupport { XJgh>^R^
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publicfinalstaticint PAGESIZE = 30; *%!M4&
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privateint pageSize = PAGESIZE; &nY;=Hv`WY
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privateList items; 5Fbs
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privateint totalCount; :et#0!
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privateint[] indexes = newint[0]; 3K>gz:dt
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privateint startIndex = 0; PD6_)PXn
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public PaginationSupport(List items, int 19c@ `?
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totalCount){ 3[d>&xk@$
setPageSize(PAGESIZE); @;iXp>&&
setTotalCount(totalCount); 6L9,'Bg
setItems(items); *k [J6
setStartIndex(0); &|9.}Z8U
} h2~4G)J
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public PaginationSupport(List items, int W.I\J<=V
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totalCount, int startIndex){ M`7y>Ud
setPageSize(PAGESIZE); bgF^(T35
setTotalCount(totalCount); BRS#Fl:
setItems(items); O_;Dk W
setStartIndex(startIndex); '<dgT&8C
} !'G~k+
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public PaginationSupport(List items, int Xg7|JS!
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totalCount, int pageSize, int startIndex){ CMW,slC_3
setPageSize(pageSize); "OmD@
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setTotalCount(totalCount); ?o*I9[Z)
setItems(items); +f|BiW
setStartIndex(startIndex); a.2L*>p
} ;H'gT+t<c
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publicList getItems(){ %lw! e
return items; {X~gwoz
} n,$z>
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publicvoid setItems(List items){ g}x(hF
this.items = items; 2%B'3>a
} YXW%]Uy+
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publicint getPageSize(){ Y?d9l
return pageSize; |[$~\MU
} x/
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publicvoid setPageSize(int pageSize){ ;# uZhd
this.pageSize = pageSize; 5!X1G8h)uy
} ?6^|ZtB
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publicint getTotalCount(){ K`g7$r)U[
return totalCount; n.}E5%qK
} Cbm\h/PXl
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publicvoid setTotalCount(int totalCount){ T;5r{{
if(totalCount > 0){ #,d I$gY
this.totalCount = totalCount; ntVS:F
int count = totalCount / vBcq_sbo
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pageSize; 3qL>-%):*
if(totalCount % pageSize > 0) vy9 w$ls
count++; jszK7$]^
indexes = newint[count]; -n 80&
for(int i = 0; i < count; i++){ m908jI_So
indexes = pageSize * r!PpUwod
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} "A$!,
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}else{ t. ='/`!N
this.totalCount = 0; #S]ER907
} qOih`dla
} q
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publicint[] getIndexes(){ Ej".axjT
return indexes; Uu 8,@W+
} #Lv2Zoi>G
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publicvoid setIndexes(int[] indexes){ *z*uEcitW
this.indexes = indexes; c2t=_aAIPQ
} j>-gO,v, y
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publicint getStartIndex(){ F8:vDv
return startIndex; Zwz&