Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 JbJ!,86
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 Bg[yn<)
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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 zi_$roq=)
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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 !8T04988j
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分页支持类: Ge=^q.
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java代码: C.":2F;-e
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package com.javaeye.common.util; :T?WN+3
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import java.util.List; &4sz:y4T>
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publicclass PaginationSupport { O[eU{;P
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publicfinalstaticint PAGESIZE = 30; US3)+6
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privateint pageSize = PAGESIZE; 0#Pa;(
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privateList items; SZLugyZ2Y
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privateint totalCount; qV idtSb
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privateint[] indexes = newint[0]; doe3V-if
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privateint startIndex = 0; 0Z]HH+Z;
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public PaginationSupport(List items, int CGlEc
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totalCount){ &A.0(s
setPageSize(PAGESIZE); lMh>eX
setTotalCount(totalCount); LyNmn.nN
setItems(items); Ok@`<6v
setStartIndex(0); E>i<2
} FG{,l=Z0
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public PaginationSupport(List items, int ]+m2pEO
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totalCount, int startIndex){ iR./9}Ze
setPageSize(PAGESIZE); =T6 ~89
setTotalCount(totalCount); ^b`-zFL7
setItems(items); O9_1a=M
setStartIndex(startIndex); 8 @(?E[&O>
} @_$$'XA7
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public PaginationSupport(List items, int @Lf&[_
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totalCount, int pageSize, int startIndex){ Vp~ cN
setPageSize(pageSize); ,dK)I1"C
setTotalCount(totalCount); @RszPH1B
setItems(items); H25Qx;(dTk
setStartIndex(startIndex); CueC![pj
} Sy1O;RTn`
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publicList getItems(){ <%%)C>l
return items; Qk>U=]U
} (`E`xb@E,=
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publicvoid setItems(List items){ 4%8den,|
this.items = items; ?E+f<jol
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publicint getPageSize(){ %xG<hNw/
return pageSize; nh5=0{va|L
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publicvoid setPageSize(int pageSize){ 0%[IG$u)|
this.pageSize = pageSize; kh=<M{-t
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publicint getTotalCount(){ f~Pce||e
return totalCount; uM_ww6
} uKXD(lzX
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publicvoid setTotalCount(int totalCount){ 9$e$L~I#u
if(totalCount > 0){ .;Gx.}ITG6
this.totalCount = totalCount; 7=u
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int count = totalCount / +^esL9RG:
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pageSize; /FC
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if(totalCount % pageSize > 0) S2Ez}*plp
count++; ,.V<rDwN&
indexes = newint[count]; ] dJ"_
for(int i = 0; i < count; i++){ ~&RrlF h
indexes = pageSize * ?<