Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 ')+EW"
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 :<W8uDAs
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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 l?q^j;{Dw
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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 `uj`ixcR
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分页支持类: `vw.~OBl
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java代码: bSLj-vp
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package com.javaeye.common.util;
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import java.util.List;
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publicclass PaginationSupport { )v~]lk,o
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publicfinalstaticint PAGESIZE = 30; }c%y0)fL
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privateint pageSize = PAGESIZE; 5g5NTm`=<
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privateList items; kqw? X{
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privateint totalCount; U.OX*-Cd
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privateint[] indexes = newint[0]; ;!?K.,N:N
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privateint startIndex = 0; +_P
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public PaginationSupport(List items, int yan[{h]EZ
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totalCount){ (}1f]$V
setPageSize(PAGESIZE); nD\os[ 3
setTotalCount(totalCount); .N&}<T[
setItems(items); X@U1Ri
setStartIndex(0); c0q)
} +|)1_NK
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public PaginationSupport(List items, int Cnci%eo
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totalCount, int startIndex){ v9lBk]c
setPageSize(PAGESIZE); D*'M^k|1
setTotalCount(totalCount); E(kpK5h{
setItems(items); `)M\(_
setStartIndex(startIndex); oV>AFs6
} %yM'
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public PaginationSupport(List items, int #r)1<}_e#
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totalCount, int pageSize, int startIndex){ Kx185Q'W
setPageSize(pageSize); Q;ZHx.ye{
setTotalCount(totalCount); tW"ptU^9)
setItems(items); }9udo,RWu
setStartIndex(startIndex); 0k0c
} S{i@=:
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publicList getItems(){ .4re0:V
return items; ^iRwwN=d
} qL5#.bR
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publicvoid setItems(List items){ +M
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this.items = items; |;u%JW$4
} QC5f:BwM
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publicint getPageSize(){ <ivqe"m
return pageSize; dFP-(dX#
} Y:!/4GF
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publicvoid setPageSize(int pageSize){ g;#KBxE
this.pageSize = pageSize; N'
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} "K+N f
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publicint getTotalCount(){ pG F5aF7T
return totalCount; #"p1Qea$
} M`+e'vdw
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publicvoid setTotalCount(int totalCount){ :O'C:n<g
if(totalCount > 0){ /=YqjZTCq
this.totalCount = totalCount; yEpN,A
int count = totalCount / q"LJwV}W
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pageSize; 5} MlZp
if(totalCount % pageSize > 0) e8ULf~I
count++; <qq'h
indexes = newint[count]; N?=qEX|R
for(int i = 0; i < count; i++){ +)JNFy-
indexes = pageSize * aFr!PQp4{
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} [}p
}else{ ZO%fS'n
this.totalCount = 0; s
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} ]D?# \|
} qb-2QPEB
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publicint[] getIndexes(){ yxG:\y
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return indexes; xgtJl}L
} zr3q>]oma
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publicvoid setIndexes(int[] indexes){ Esz1uty
this.indexes = indexes; d DIQ+/mmg
} jiwpDB&