Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 ;tr)=)q&
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 ,v_B)a_E
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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 Hdna{@~
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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 1>;6x^_h0S
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分页支持类: 8J^d7uC
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java代码: )BpIxWd?
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package com.javaeye.common.util; %|bN@@
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import java.util.List; Tz2x9b\82
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publicclass PaginationSupport { fGo_NB
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publicfinalstaticint PAGESIZE = 30; flPZlL
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privateint pageSize = PAGESIZE; CP@o,v-
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privateList items; wNbTM.@
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privateint totalCount; ym[+Rw
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privateint[] indexes = newint[0]; (+@faP
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privateint startIndex = 0; 83B\+]{hD
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public PaginationSupport(List items, int ;g6 nHek
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totalCount){ 7Y4%R`9H
setPageSize(PAGESIZE); )!BB/'DRQ
setTotalCount(totalCount); gp%tMTI1
setItems(items); rnJS[o0
setStartIndex(0); zkH<aLRB
} ER/\ +Z#Z
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public PaginationSupport(List items, int XL=2wh
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totalCount, int startIndex){ HE9.
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setPageSize(PAGESIZE); )x y9X0
setTotalCount(totalCount); (69kvA&|q
setItems(items); jBT*~DyN
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setStartIndex(startIndex); 5/*)+
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public PaginationSupport(List items, int *4zoAs lU1
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totalCount, int pageSize, int startIndex){ )tJL@Qo
setPageSize(pageSize); Ufyxw5u5F
setTotalCount(totalCount); ?U7&R%Lh`
setItems(items); pIk4V/fy
setStartIndex(startIndex); Rh5@[cg%
} V*0Y_ T{_
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publicList getItems(){ 8f5%xY$
return items; +3(CGNE
} 4yJ01s
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publicvoid setItems(List items){ F o--PtY`p
this.items = items; qdg= Imx
} uOy\{5s8
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publicint getPageSize(){ _p3WE9T
return pageSize; p]atH<^;K
} I_{9eG1w?
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publicvoid setPageSize(int pageSize){ ^v()iF
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this.pageSize = pageSize; 6'3Ey'drH
} FuRn%)DA5
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publicint getTotalCount(){ 4jI*Y6Wkz
return totalCount; 4kN:=g
} ^^W`Lh%9
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publicvoid setTotalCount(int totalCount){ QZeb+r
if(totalCount > 0){ EV;;N
this.totalCount = totalCount; Wl}G[>P
int count = totalCount / Av\0GqF
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pageSize; (rCPr,@0
if(totalCount % pageSize > 0) dRarNW
count++; 7i%P&oB
indexes = newint[count]; ]MBJ"1F
for(int i = 0; i < count; i++){ }sm56}_
indexes = pageSize * SK~;<>:37
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} ~S~x@&yR
}else{ _@}MGWlAPt
this.totalCount = 0; S
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} 0L
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} HEW9YC"
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publicint[] getIndexes(){ 1]zyME
return indexes; pR^Y|NG!
} ^Xz`hR
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publicvoid setIndexes(int[] indexes){ uR[PKLh
this.indexes = indexes; d}A2I
} ~dX@5+Gd
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