Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 -#:Y+"'
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 AF07KA#
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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 k
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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 GNj/jU<o!
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分页支持类: Yn?2,^?N
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java代码: _dB0rsCnU%
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package com.javaeye.common.util; jn#N7%{Mk
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import java.util.List; '+GVozc6c"
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publicclass PaginationSupport { (urfaZ;@+
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publicfinalstaticint PAGESIZE = 30; FK/ro91L
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privateint pageSize = PAGESIZE; 4YB7og%P
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privateList items; U3dR[*
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privateint totalCount; U+3PqWB
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privateint[] indexes = newint[0]; |]
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privateint startIndex = 0; 3K;b~xg`nw
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public PaginationSupport(List items, int x4 A TK
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totalCount){ sD8xH
setPageSize(PAGESIZE); NiQc2\4%
setTotalCount(totalCount); ~QQ23k&
setItems(items); <LA`PbQa
setStartIndex(0); /VjbyRwV
} 2w.9Q
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public PaginationSupport(List items, int h"Yqm"U/
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totalCount, int startIndex){ _bV=G#qKK
setPageSize(PAGESIZE); 7{/:,
setTotalCount(totalCount); 3B_} :
setItems(items); KzH}5:qI
setStartIndex(startIndex); RAkFgC~
} &Bdt+OQ ;
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public PaginationSupport(List items, int bz,cfc;?$
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totalCount, int pageSize, int startIndex){ g>oYEFFJ
setPageSize(pageSize); PQI,vr'R
setTotalCount(totalCount); i:Ct6[
setItems(items); <OO/Tn'a
setStartIndex(startIndex); (P!reYyM
} aw@Aoq
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publicList getItems(){ TD=/C|
return items; 4R^j"x
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} dfkTDG+
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publicvoid setItems(List items){ QNI|h;D
this.items = items; D/6@bcCSY
} _!g
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publicint getPageSize(){ L$kAe1 V^m
return pageSize; Rw^YTv
} hADb]O
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publicvoid setPageSize(int pageSize){ .A[.?7g
this.pageSize = pageSize; =gv/9ce)3
} s6hWq&C
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publicint getTotalCount(){ O]LuL&=s y
return totalCount; !P^$g
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} i/EiUH/~
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publicvoid setTotalCount(int totalCount){ /lok3J:
if(totalCount > 0){ !eoec2h#5
this.totalCount = totalCount; BRLU&@G`1
int count = totalCount / m@2xC,@
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pageSize; K}(n;6\
if(totalCount % pageSize > 0) m9 5$V&
count++; Sqt"G6<
indexes = newint[count]; "J:NW_U
for(int i = 0; i < count; i++){ w%-!dbmb%
indexes = pageSize * ? bg pUv
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} DL!s)5!M
}else{ E4ee_`p
this.totalCount = 0; +!Ag n)
} rAdcMFW
} ;mxT>|z
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publicint[] getIndexes(){ W>IKy#
return indexes; kYa'
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} sjkl? _
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publicvoid setIndexes(int[] indexes){ &4iIzw`
this.indexes = indexes; *Yjs$'_2
} iW$i%`>
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publicint getStartIndex(){ ;.a)r
return startIndex; ;9sVWJJCw
} DcDGrRuh
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publicvoid setStartIndex(int startIndex){ 0evZg@JP`
if(totalCount <= 0) JPzPL\
this.startIndex = 0; NFPkK?+
elseif(startIndex >= totalCount) ;<