Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 ZaNyNxbp>z
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 U47k5s(J
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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 %`s9yRk9>E
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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 pxCGE[@`
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分页支持类: &t.>^7ELF
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java代码: _,K>u6N&
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package com.javaeye.common.util; 6M<mOhp@}n
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import java.util.List; V"2AN3~&
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publicclass PaginationSupport { g*w-"%"O
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publicfinalstaticint PAGESIZE = 30; >ihe|WN
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privateint pageSize = PAGESIZE; HZr/0I?
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privateList items; 1+i
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privateint totalCount; b]s1Q
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privateint[] indexes = newint[0]; v-r[~
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privateint startIndex = 0; "'H7F,k'
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public PaginationSupport(List items, int "]\":T
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totalCount){ P+zI9~N[
setPageSize(PAGESIZE); Med"dHo7
setTotalCount(totalCount); @=zBF'<.9
setItems(items); }~\].I6
setStartIndex(0); ;uA_gn!
} B,VSFpPx
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public PaginationSupport(List items, int h> 5~
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totalCount, int startIndex){ !,(bXa\^
setPageSize(PAGESIZE); dXK~
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setTotalCount(totalCount); W%jX-
setItems(items); 4Igs\x{i
setStartIndex(startIndex); 5Ret,~Vs9|
} RWh}?vs_
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public PaginationSupport(List items, int y3o4%K8
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totalCount, int pageSize, int startIndex){ ?=@Q12R)X
setPageSize(pageSize); aab4c^Ms=
setTotalCount(totalCount); :PjUl
setItems(items); G'}_ZUy#
setStartIndex(startIndex); &LxzAL,3!
} /jL{JF>I
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publicList getItems(){ ^%OH}Z `ly
return items; K/.hJ
} 7rDRu]
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publicvoid setItems(List items){ g7Q*KA+
this.items = items; *ej o6>
} _ L:w;Oy9T
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publicint getPageSize(){ Z FrXw+
return pageSize; +uGP(ONY
} v=Bh
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publicvoid setPageSize(int pageSize){ mBgx17K/-_
this.pageSize = pageSize; Y X{
} [Oy2&C
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publicint getTotalCount(){ `
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return totalCount; }Yl8Q>t
} "s6_lhu=E7
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publicvoid setTotalCount(int totalCount){ 7R`ZTfD
if(totalCount > 0){ 9kg>)ty@
this.totalCount = totalCount; +5}T!r
int count = totalCount / |(w#NE5
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pageSize; C"|_j?
if(totalCount % pageSize > 0) d@`:9
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count++; /t 6u"I~
indexes = newint[count]; Hr,gV2n
for(int i = 0; i < count; i++){ =/'*(\C2
indexes = pageSize * -8kW!F
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} %>:)4A
}else{ :<7>-+pa
this.totalCount = 0; V^5k>`A
} OuIW|gIu0
} cz~11j#
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publicint[] getIndexes(){ "7g8 d
return indexes; V'h z1roe
} !<^j!'2
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publicvoid setIndexes(int[] indexes){ pO+wJ|f
this.indexes = indexes; jJQfCOD$
} p~;z"Z
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publicint getStartIndex(){ ~map5@Kd
return startIndex; aeLo;!Jh
} /@}# KP=
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publicvoid setStartIndex(int startIndex){ v&,VC~RN-J
if(totalCount <= 0) ]T$w7puaJ
this.startIndex = 0; QMpA~x_m
elseif(startIndex >= totalCount) (eIxU&o'
this.startIndex = indexes Y0C<b*!"ST
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[indexes.length - 1]; X10TZ
elseif(startIndex < 0) <