Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 =>&~p\Aw
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 h
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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 dnM.
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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 1c*:"
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分页支持类: _bv9/# tR
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java代码: B`vC>
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package com.javaeye.common.util; +(`.pa z@
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import java.util.List; HcV,r,>e
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publicclass PaginationSupport { J<9})
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publicfinalstaticint PAGESIZE = 30; mi@uX@ #
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privateint pageSize = PAGESIZE; S2 P9C"
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privateList items; rKTc6h:)
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privateint totalCount; -vh\XO
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privateint[] indexes = newint[0]; @Hr1.f
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privateint startIndex = 0; J:I As:e`
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public PaginationSupport(List items, int tItI^]w2s
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totalCount){ d6zq,x!cI
setPageSize(PAGESIZE); %][zn$aa|
setTotalCount(totalCount); 9U@>&3[v
setItems(items); <W^>:!?w
setStartIndex(0); ^e80S^
} j#l1KO^y
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public PaginationSupport(List items, int {+gK\Nz
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totalCount, int startIndex){ l{\k\Q !4
setPageSize(PAGESIZE); <!*O[0s
setTotalCount(totalCount); @mcP-
setItems(items); =`!#V/=
setStartIndex(startIndex); \SWuylE
} RGBntp%
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public PaginationSupport(List items, int aCyn9Y$=
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totalCount, int pageSize, int startIndex){ PpSQf14,
setPageSize(pageSize); R#ya9GN{
setTotalCount(totalCount); LRdV_O1e6M
setItems(items); bE jQMlb
setStartIndex(startIndex); >QBDxm
} Zlv`yC*r
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publicList getItems(){ )X6I#q8
return items; E<
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} bV*q~@xh
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publicvoid setItems(List items){ )>pIAYCVP
this.items = items; A8ClkLC;I
} l5U ^lc
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publicint getPageSize(){ {!pYQ|#
return pageSize; Slp_o\s$@
} ;v~xL!uQ
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publicvoid setPageSize(int pageSize){
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this.pageSize = pageSize; J& D0,cuk
} ?~; q r
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publicint getTotalCount(){ A*W/Q<~I
return totalCount; :ZXaJ!
} zKf0 :X
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publicvoid setTotalCount(int totalCount){ Xs)?PE[
if(totalCount > 0){ }jL4F$wC
this.totalCount = totalCount; wNl "y
int count = totalCount / 8]J lYe
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pageSize; sv#/ 78 ~|
if(totalCount % pageSize > 0) v2>Dn=V
count++; gv,%5r0YOw
indexes = newint[count]; 2K2*UC`f
for(int i = 0; i < count; i++){ s~I#K[[5
indexes = pageSize * VWMr\]g
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} B,A\/%<
}else{ (y2P."
this.totalCount = 0; E{'\(6z_
} 02po;
} FNXVd/{M3
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publicint[] getIndexes(){ `^DP<&{
return indexes; 4Gsq)i17j
} N||s#
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publicvoid setIndexes(int[] indexes){ 5:l"*
this.indexes = indexes; 2/l4,x
} o q cu<