Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 RZOk.~[v
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 g|)e3q{M
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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 (cC5zv*E
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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 aR}NAL_`w
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分页支持类: YyK9UZjI
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java代码: {:4); .
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package com.javaeye.common.util; &bBp`h
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import java.util.List; lba*&j]w=
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publicclass PaginationSupport { eC[g"Ef
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publicfinalstaticint PAGESIZE = 30; '?yZ,t
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privateint pageSize = PAGESIZE; {sX*SbJt
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privateList items; tE>3.0U0Q
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privateint totalCount; .?AtW:<*I
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privateint[] indexes = newint[0]; 9
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privateint startIndex = 0; IEC:zmkn
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public PaginationSupport(List items, int yQou8P=%
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totalCount){ &hV;3";
setPageSize(PAGESIZE); '\_ic=&u
setTotalCount(totalCount); 7yQ r
setItems(items); P-+ ^YN,
setStartIndex(0); C$,S#n@
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public PaginationSupport(List items, int )h+JX8K)l
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totalCount, int startIndex){ <U1uuOt
setPageSize(PAGESIZE); I,
setTotalCount(totalCount); !Y\hF|[z
setItems(items); HnOF_Twq
setStartIndex(startIndex); /Zm@.%.
} <a$cB+t
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public PaginationSupport(List items, int NA0hQGN}
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totalCount, int pageSize, int startIndex){ K.X% Q,XD
setPageSize(pageSize); (\WePOy&
setTotalCount(totalCount); {/n$Y|TIQt
setItems(items); v'_tna6`O
setStartIndex(startIndex); I"DV}jg6|
} K"g[%O<
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publicList getItems(){ 55,vmDd
return items; aQRZyE}
} )'fIrBT
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publicvoid setItems(List items){ YVs{\1|'
this.items = items; 1XHGW=n
} 9oGsrClH
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publicint getPageSize(){ Y61E|:fV!
return pageSize; F." L{g
} $&a`zffG
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publicvoid setPageSize(int pageSize){ f(##P|3>R
this.pageSize = pageSize; &VQwuO
} 6fkL@It
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publicint getTotalCount(){ Ge97e/CY
return totalCount; /CX<k gz@
} j?.VJ^Ff/u
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publicvoid setTotalCount(int totalCount){ >6rPDzW`Dx
if(totalCount > 0){ l@Ml8+
this.totalCount = totalCount; <m )@~s?D
int count = totalCount / bgEUG
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pageSize; M4DRG%21
if(totalCount % pageSize > 0) L[O+9Yh
count++; -2Ub'*qK
indexes = newint[count]; 9I
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for(int i = 0; i < count; i++){ +VU,U`W
indexes = pageSize * +, PBhB
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this.totalCount = 0; nR
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} ^KlMBKWyB
} j~L{=ojz%
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publicint[] getIndexes(){ YSZz4?9\
return indexes; Ymn0?$,D1=
} y#T":jpR
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publicvoid setIndexes(int[] indexes){ nQ/El&{
this.indexes = indexes; Sc*p7o: A
} 4Ly!:GH3T
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publicint getStartIndex(){ &