Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 Oj.xJ(uX+v
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 +0n,>eDjg^
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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 C;rK16cn
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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 p/&s-GF
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。 0]t7(P"F6
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分页支持类: ltG|#(
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java代码: &0@AM_b
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package com.javaeye.common.util; \EeK<)4:
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:
import java.util.List; VWE`wan<
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publicclass PaginationSupport { AU
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publicfinalstaticint PAGESIZE = 30; YU%U
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privateint pageSize = PAGESIZE; ]Saw}agE[%
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privateList items; e5.sqft
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privateint totalCount; 1FmqNf:V7I
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privateint[] indexes = newint[0]; o^&nkR
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privateint startIndex = 0; tY$4k26
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public PaginationSupport(List items, int &$E.rgtg
)u(Dq u\t
totalCount){ bmGtYv
setPageSize(PAGESIZE); Y^J/jA0\B
setTotalCount(totalCount); q#!c6lG
setItems(items); _'DZoOH|VE
setStartIndex(0); Cr$8\{2OA7
} c9N5c
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public PaginationSupport(List items, int sD`OHV:
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totalCount, int startIndex){ v?(9ZY]
setPageSize(PAGESIZE); &IgH]?t
setTotalCount(totalCount); P0^7hSo
setItems(items); cvl1X"
setStartIndex(startIndex); *Wz\FixP0
} n!t][d/g+
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public PaginationSupport(List items, int ,Taq~
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totalCount, int pageSize, int startIndex){ b&Go'C{p
setPageSize(pageSize); (J/!9NS:
setTotalCount(totalCount); K_E- Hgg_
setItems(items); 7[u$!.4{*
setStartIndex(startIndex); : yC|Q)
} WL/9r
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publicList getItems(){ W0>fu>
return items; Hg;; >
} AIa#t#8${
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publicvoid setItems(List items){ 0] $5jW6]
this.items = items; /N82h`\n
} 2k3yf_N
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publicint getPageSize(){ `di/nv)
return pageSize; BY^5z<^.
} O/2Jz
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publicvoid setPageSize(int pageSize){ C1KO]e >
this.pageSize = pageSize; o@g/,V $
} s.G6?1VXlY
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publicint getTotalCount(){
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return totalCount;
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} w_eUU)z
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publicvoid setTotalCount(int totalCount){ [O"8Tzr
if(totalCount > 0){ `OmYz{*r
this.totalCount = totalCount; z("Fy
int count = totalCount / 0al8%z9e@
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pageSize; ``4lomz>
if(totalCount % pageSize > 0) xg2
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count++; Jf=$h20x
indexes = newint[count]; CuD ^@
for(int i = 0; i < count; i++){ GBsM?A:
indexes = pageSize * tug\X
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} YKsc[~
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}else{ &,B91H*#
this.totalCount = 0; Vz,2_QJ
} hu+% X.F4
} lm;G8IP`
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publicint[] getIndexes(){ CAD:ifV
return indexes; X@n\~[.B
} AE"E($S`
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publicvoid setIndexes(int[] indexes){ kbkq.fYr
this.indexes = indexes; Ew kZzVuX
} ^."HD(
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publicint getStartIndex(){ 2dF:;k k
return startIndex; /o_h'l|PS
} b|HH9\
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publicvoid setStartIndex(int startIndex){ axW4cS ?
if(totalCount <= 0) hj.Du+1
this.startIndex = 0; sR1
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elseif(startIndex >= totalCount) br9`77J8
this.startIndex = indexes >O{/%(9
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[indexes.length - 1]; $ (gR^L
elseif(startIndex < 0) @GiR~bKZ
this.startIndex = 0; D<