Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 QT=i>X
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 g"N&*V2
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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 p)?6~\F:
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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 )"](?V
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分页支持类: @O|`r(le
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java代码: f?TS#jG4}
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package com.javaeye.common.util; |d,bo/:
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import java.util.List; U,lO{J[T
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publicclass PaginationSupport { TAq[g|N-;
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publicfinalstaticint PAGESIZE = 30; )2
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privateint pageSize = PAGESIZE; $&Z<4:Flc
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privateList items; nUK;M[
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privateint totalCount; gX|\O']6
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privateint[] indexes = newint[0]; [
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privateint startIndex = 0; q{+}0!o
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public PaginationSupport(List items, int 4>/i,_&K K
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totalCount){ 53?Ati\Y)
setPageSize(PAGESIZE); mC3:P5/c
setTotalCount(totalCount); z/nW;ow
setItems(items); gGx<k3W^
setStartIndex(0); 03_M+lv
} AW'$5NF>
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public PaginationSupport(List items, int Lt
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totalCount, int startIndex){ >U(E
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setPageSize(PAGESIZE); !%B-y9\
setTotalCount(totalCount); oi8M6l
setItems(items); ge1U1o
setStartIndex(startIndex); (hh^?
} Kw2]J)TO
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public PaginationSupport(List items, int Wz#ZkNO
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totalCount, int pageSize, int startIndex){ 2wa'WEx
setPageSize(pageSize); Io tc>!
setTotalCount(totalCount); >qUD_U3A
setItems(items); deJ/3\t
setStartIndex(startIndex); Gyrc~m[$
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publicList getItems(){ .EvP%A
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return items; FEX67A8/;
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publicvoid setItems(List items){ DiZ;FHnaG?
this.items = items; ,XI=e=
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publicint getPageSize(){ D
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return pageSize; uo*lW2&U
} eR/X9<
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publicvoid setPageSize(int pageSize){ LR'~:46#u
this.pageSize = pageSize; ad9u;uS
} #WGyQu
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publicint getTotalCount(){ ?}S!8;d
return totalCount; -y[y.#o
} |tz{Es<`B
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publicvoid setTotalCount(int totalCount){ L(X}37
if(totalCount > 0){ /Xv@g$
this.totalCount = totalCount; Hl*#iUq
int count = totalCount / nA%8
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pageSize; lwo,D}
if(totalCount % pageSize > 0) V343IT\
count++; 4VkJtu5
indexes = newint[count]; 'b+
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for(int i = 0; i < count; i++){ vkW;qt}yO
indexes = pageSize * }VVtv1
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}else{ 5RY rAzQo
this.totalCount = 0; -Byl~n3*D
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publicint[] getIndexes(){ '[bw7T
return indexes; 2#'"<n,G
} u:,B&}j
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publicvoid setIndexes(int[] indexes){ wB<