Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 7 fXJP5j
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 +DO<M1uE
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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 3`)ej`
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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 X\>/'fC$
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分页支持类: H7k@Br
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java代码: ZAn9A>5_
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package com.javaeye.common.util; 0{XT#H
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import java.util.List; *Vg) E*s
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publicclass PaginationSupport { eNO[ikm
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publicfinalstaticint PAGESIZE = 30; uy<<m"cA;
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privateint pageSize = PAGESIZE; {;6a_L@q;|
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privateList items; [)kuu
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privateint totalCount; LFr$h`_D5
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privateint[] indexes = newint[0]; AX{7].)F
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privateint startIndex = 0; ;),,Hk
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public PaginationSupport(List items, int z@ `u$D$n
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totalCount){ ZE=
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setPageSize(PAGESIZE); *xITMi
setTotalCount(totalCount); g++-v HD
setItems(items); EEo I|
setStartIndex(0); _%23L|
} WF_QhKW|k
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public PaginationSupport(List items, int )vpYVr-
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totalCount, int startIndex){ rq Uk_|Xa
setPageSize(PAGESIZE); /0$405
setTotalCount(totalCount); 8TK*VOf`
setItems(items); gv D*^
setStartIndex(startIndex); /k(wb4Hv
} nLC5FA7<
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public PaginationSupport(List items, int Oi]B%Uxy=
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totalCount, int pageSize, int startIndex){ P,xJVo\
setPageSize(pageSize); =BJe}AV
setTotalCount(totalCount); bTZ.y.sI
setItems(items); =+I-9=
setStartIndex(startIndex); <M}O&?N
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} g/\cN(X
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publicList getItems(){ P2|+7D:
return items; &FJr?hY%
} \=`jo$S
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publicvoid setItems(List items){
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this.items = items; mdo$d-d&
} :z *jl'L
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publicint getPageSize(){ ?;.=o?e9
return pageSize; @A<~bod
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publicvoid setPageSize(int pageSize){ ZU;jz[}
this.pageSize = pageSize; F6b;qb6n
} Fs(S!;
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publicint getTotalCount(){ {E7STLQ_%
return totalCount; qmenj
} LR\8M(rtvH
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publicvoid setTotalCount(int totalCount){ R@/"B?`(f
if(totalCount > 0){ >3&V"^r(|
this.totalCount = totalCount; e&Q
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int count = totalCount / >,I'S2_Zl
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pageSize; O6ugN-d>
if(totalCount % pageSize > 0) M%W#0
count++; 7s!rer>
indexes = newint[count]; AT1{D!b
for(int i = 0; i < count; i++){ ;:+2.//
indexes = pageSize * n}fV$qu
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