Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 rZDmZm?=
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 /x6,"M[97
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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 6'e}!O
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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 m~fA=#l
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分页支持类: ,y[wS5li
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java代码: :QnN7&j|(w
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package com.javaeye.common.util; d/8I&{.
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import java.util.List; ZGHkW9b&
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publicclass PaginationSupport { b!Q|0X.?
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publicfinalstaticint PAGESIZE = 30; _MfB,CS
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privateint pageSize = PAGESIZE; ic:_v?k
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privateList items; n>tYeN)F<
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privateint totalCount; uL^Qtmm>M
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privateint[] indexes = newint[0]; 'aQ"&GX@
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privateint startIndex = 0; <im
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public PaginationSupport(List items, int nV-A0"z_&
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totalCount){ LYPjdp2>"o
setPageSize(PAGESIZE); W'2|hP
setTotalCount(totalCount); {I|iUfy
setItems(items); hL#5:~(
setStartIndex(0); XV+s 5C
} '~{^c}
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public PaginationSupport(List items, int `}ak;^Me
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totalCount, int startIndex){ LB_ylfg
setPageSize(PAGESIZE); }qlU
setTotalCount(totalCount); 'dYjbQ}~;
setItems(items); ,v$gWA!l
setStartIndex(startIndex); Gn+D%5)$I
} , ;L
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public PaginationSupport(List items, int kAbRXID
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totalCount, int pageSize, int startIndex){ 0wV!mC
setPageSize(pageSize); {O,D9 <
setTotalCount(totalCount); wSHE~Xx
setItems(items); 6D,xs}j1
setStartIndex(startIndex); UH1AT#?!W
} @~0kSA7
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publicList getItems(){ `#&pB0.y
return items; .7TQae%
} > $0eRVL
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publicvoid setItems(List items){ TJ3CXyRq
this.items = items; 0x!XE|7I
} Yhl {'
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publicint getPageSize(){ rK W<kQT
return pageSize; AAjsb<P
} 6'UtB !gr
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publicvoid setPageSize(int pageSize){ %"~\Pu*>
this.pageSize = pageSize; N!>Gg|@~
} "Zd4e2>{M\
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publicint getTotalCount(){ 4:-h\%
return totalCount; !uLW-[F,
} JX,&im*BG
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publicvoid setTotalCount(int totalCount){ w*`5b!+/
if(totalCount > 0){ ru,]!YPJE2
this.totalCount = totalCount; 5;5;bBo~
int count = totalCount / XQ&iV7
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pageSize; O;c;>x_dA
if(totalCount % pageSize > 0) Ym+k \h
count++; |[n-H;0
indexes = newint[count]; ^'Wkb7L
for(int i = 0; i < count; i++){ n<6p 0w
indexes = pageSize * 1J<Wth{
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} m`!C|?hu
}else{ bj4cW\b(
this.totalCount = 0; _y&m4V