Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 ={LMdC~5X
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 >^XBa*4;Y
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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 *tm0R> ?!
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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 8,0YD#x
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分页支持类: u%~igt@x
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java代码: >A@Y$.
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package com.javaeye.common.util; ,t\* ZTt$
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import java.util.List; `,Ph/oM
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publicclass PaginationSupport { 4)1s M=u
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publicfinalstaticint PAGESIZE = 30; .BFYY13H
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privateint pageSize = PAGESIZE; D@!=d@V.
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privateList items; Nbp!teH6
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privateint totalCount; )T k1 QHU
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privateint[] indexes = newint[0]; -eX5z
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privateint startIndex = 0; ,\qs4&
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public PaginationSupport(List items, int ?s:d[To6
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totalCount){ 1UKg=A-q
setPageSize(PAGESIZE); {'U
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setTotalCount(totalCount); hUYd0qEbEt
setItems(items); N 5 $c]E
setStartIndex(0); ^a#X9
} R58-wUto
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public PaginationSupport(List items, int 8>7&E-
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totalCount, int startIndex){ (&!NC[n,
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setTotalCount(totalCount); 23h%
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setItems(items); lGVEpCS}
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} %JLk$sP9y`
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public PaginationSupport(List items, int h(5P(` M
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totalCount, int pageSize, int startIndex){ Dq)j:f#QM
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} v$N|"o""
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publicList getItems(){ {Lm~r+
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publicvoid setItems(List items){ ?2oHZ%G
this.items = items; `P9XqWr
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publicint getPageSize(){ xe*aC
return pageSize; v.]Q$q^
} RoyPrO [3
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publicvoid setPageSize(int pageSize){ ="g*\s?r
this.pageSize = pageSize; $ >EYhLBa
} J2^'Xj_V
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publicint getTotalCount(){ 2/0v B>
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publicvoid setTotalCount(int totalCount){ Uy$)%dYfq5
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this.totalCount = totalCount; .<Zy|1
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int count = totalCount / MzL1Bh!M
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pageSize; _-#'j2
if(totalCount % pageSize > 0) (e[}/hf6
count++; V?=8".GiX
indexes = newint[count]; PZ*pQ=`
for(int i = 0; i < count; i++){ D&/L:
indexes = pageSize * TEaJG9RU>v
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}else{ oDU ;E
this.totalCount = 0;
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} !H}vu]R
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publicint[] getIndexes(){ mD/MJt5
return indexes; b%S62(qP
} k+DR]icv
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publicvoid setIndexes(int[] indexes){ a!u
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this.indexes = indexes; $.[#0lCI
} g'|MA~4yB
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publicint getStartIndex(){ :"!9_p(,,
return startIndex; LK@lpkX
} Ed
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publicvoid setStartIndex(int startIndex){ `ck$t5:6sp
if(totalCount <= 0) W<