Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 >i4UU0m
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 7b,u|F
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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 J~:/,'Ea
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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 KwRO?G9&
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分页支持类: 9 frS!AQ
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java代码: CBTa9|57
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package com.javaeye.common.util; %
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import java.util.List; @`?"#^jT
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publicclass PaginationSupport { 81/Bn!
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publicfinalstaticint PAGESIZE = 30; F#Oqa^$(
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privateint pageSize = PAGESIZE; '@Y@H,
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privateList items; /cr.}D2O
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privateint totalCount; Mx-,:a9}
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privateint[] indexes = newint[0]; Fp06a!7<
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privateint startIndex = 0; ){")RrD(
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public PaginationSupport(List items, int ^Yn{Vi2.
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totalCount){ @B~/0
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setPageSize(PAGESIZE); S~}?6/G.
setTotalCount(totalCount); &S<tX]v
setItems(items); Vr f` :%
setStartIndex(0); d;(L@9HHD
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public PaginationSupport(List items, int u/cL[_Q
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totalCount, int startIndex){ %n9}P ,
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setPageSize(PAGESIZE); 7Z"mVh}
setTotalCount(totalCount); >wM%|j'
setItems(items); SA{A E9y
setStartIndex(startIndex); <<w $Ur
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public PaginationSupport(List items, int 2,;+)
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totalCount, int pageSize, int startIndex){ p H?VM&x
setPageSize(pageSize); ?Gj$$IAe
setTotalCount(totalCount); 3b{8c8N^
setItems(items); &H,j
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setStartIndex(startIndex); As1Er[>
} aM3%Mx?w
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publicList getItems(){ OtF{=7
return items; r&xqsZ%R
} yK0Q,
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publicvoid setItems(List items){ D_9&=aa'
this.items = items; pR&cdORsP
} 3.Qf^p
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publicint getPageSize(){ s+tS4E?
return pageSize; C%"h1zWE:
} <k5FlvE2
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publicvoid setPageSize(int pageSize){ _W]2~9
this.pageSize = pageSize; .?_wcp=
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publicint getTotalCount(){ s>"=6 gb
return totalCount; 2sy{
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publicvoid setTotalCount(int totalCount){ Cr4shdN34
if(totalCount > 0){ IL}pVa00{n
this.totalCount = totalCount; /,/T{V[
int count = totalCount / A`=ESz
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pageSize; +fAAkO*GP
if(totalCount % pageSize > 0) .
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count++; ).N }x^
indexes = newint[count]; A86#7
for(int i = 0; i < count; i++){ |>A1J:
indexes = pageSize * u$&