Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 rFkZ'rp74b
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 bu <d>XR
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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 #gT"G18/!
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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 ?6nB=B)/
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分页支持类: <?}pCX/O
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java代码: a~a:mM>p
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package com.javaeye.common.util; %eW7AO>
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import java.util.List; 0bc>yZ\R
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publicclass PaginationSupport { }o7- 3!{L!
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publicfinalstaticint PAGESIZE = 30; gPc1oc(
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privateint pageSize = PAGESIZE; L(u@%.S
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privateList items; }!> \Ja<\
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privateint totalCount; G3+e5/0
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privateint[] indexes = newint[0]; <nG}]Smd7
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privateint startIndex = 0; bc~$"
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public PaginationSupport(List items, int T+zhj++
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totalCount){ $BgaLJs/O
setPageSize(PAGESIZE); j6~`C
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setTotalCount(totalCount); a9.255
setItems(items); XOQ0(e6
setStartIndex(0); f(eXny@Y
} ?V+\E2
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public PaginationSupport(List items, int L;?F^RK{U
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totalCount, int startIndex){ RU'a8j+W
setPageSize(PAGESIZE); S{8-XiL,
setTotalCount(totalCount); <ta{)}IN^
setItems(items); +l/kH9m
setStartIndex(startIndex); LVm']_K(f
} 9xq3>(
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public PaginationSupport(List items, int ("j;VqYUL
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totalCount, int pageSize, int startIndex){ GHn0(o &K
setPageSize(pageSize); { pQJ.QI
setTotalCount(totalCount); Qt{V&Z7
setItems(items); `AvK8Wh<+
setStartIndex(startIndex); eN
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} "eOl(TSu/
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publicList getItems(){ z;e@m2.IM
return items; :@P6ibcX
} ohyq/u+y~A
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publicvoid setItems(List items){ S^|`*%pq
this.items = items; qzA_ ~=g
} $kHXt]fU
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publicint getPageSize(){ lX2:8$?X
return pageSize; .>[l@x"
} yih|6sd$F
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publicvoid setPageSize(int pageSize){ ,xrA2
this.pageSize = pageSize; J(!=Dno
} 7A'E+>1d
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publicint getTotalCount(){ L'`Au/%S}
return totalCount; .=<s@Sg,t
} 4:Ju|g]O
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publicvoid setTotalCount(int totalCount){ \ >wQyz
if(totalCount > 0){ z)v o
this.totalCount = totalCount; {{_v.d~1
int count = totalCount / cfv:Ld m
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pageSize; %O#zE-H"
if(totalCount % pageSize > 0) L>g6
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count++; X)Tyxppf'
indexes = newint[count]; !O`j
for(int i = 0; i < count; i++){ p<0=. ~
indexes = pageSize * -~xQ@ +./
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}else{ n/*" 2
this.totalCount = 0; qa@;S,lp
} SDS P4W5
} tq~f9EvC
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publicint[] getIndexes(){ S *J{
return indexes; %(6+{'j~#
} LE5N2k
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