Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 c}YJqhk0J
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 }j&O/Up
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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 "\NF
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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 -sP9E|/:'3
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分页支持类: )URwIe{
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java代码: (:ZPt(1
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package com.javaeye.common.util; ?A|zRj{
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import java.util.List; fW(;
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publicclass PaginationSupport { #]"/{Z
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publicfinalstaticint PAGESIZE = 30; DKR<W.!*t
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privateint pageSize = PAGESIZE; {PL,VY)Z
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privateList items; 7^HpVcSM
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privateint totalCount; X88F>1}
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privateint[] indexes = newint[0]; QT_Srw@
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privateint startIndex = 0; wbBE@RU>!
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public PaginationSupport(List items, int QDP-E[
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totalCount){
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setPageSize(PAGESIZE); S<*' ;{5~
setTotalCount(totalCount); '=$TyiU
setItems(items); bG52s
setStartIndex(0); ~Hs=z$
} cnbo+U
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public PaginationSupport(List items, int =+`D
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totalCount, int startIndex){ *<w3" iq
setPageSize(PAGESIZE); o.v2z~V
setTotalCount(totalCount); /({P1ti:C
setItems(items); 0xv\D0
setStartIndex(startIndex); \Ph]*%
} I I&<
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public PaginationSupport(List items, int "=FIFf
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totalCount, int pageSize, int startIndex){ Q<dba12
setPageSize(pageSize); "X`Qe!zk4
setTotalCount(totalCount); vnDmFqelz
setItems(items); @ozm;
setStartIndex(startIndex); qZ#!CPHS
} : sFo
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publicList getItems(){ @?m+Z"o|z
return items; `nKJR'QC
} >;m{{nj
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publicvoid setItems(List items){ )q^(T1
this.items = items; k/U>N|5
} R !9qQn?
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publicint getPageSize(){ -W9gH
return pageSize; g2A"1w<-AH
} m.!wsw
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publicvoid setPageSize(int pageSize){ ~bWhth2*
this.pageSize = pageSize; -gB{:UYi3
} !1("(Eb
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publicint getTotalCount(){ lelMt=
return totalCount; SGQDro=l
} Jlz9E|*qV
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publicvoid setTotalCount(int totalCount){ 7O"hiDQ
if(totalCount > 0){ ("b*? : B
this.totalCount = totalCount; %Or2iuO%-,
int count = totalCount / _nP)uU$
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pageSize; Y^yG/F
if(totalCount % pageSize > 0) |ebvx?\
count++; yYg
indexes = newint[count]; 5 1"8Py
for(int i = 0; i < count; i++){ 0Lx3]"v
indexes = pageSize * ?H<~ac2e
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} )}quw"H
}else{ g(nK$,c
this.totalCount = 0; j|k@MfA
} f'i6QMk\&
} v O PMgEI
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publicint[] getIndexes(){
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return indexes; Qd?CTYNsv
} *l:&f_ngV
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publicvoid setIndexes(int[] indexes){ L*9H#%3
this.indexes = indexes; bK?MT]%}r
} *{Yh6{
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publicint getStartIndex(){ zs0hXxTY:
return startIndex; zPHy2H$28
} [#>{4qY2
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publicvoid setStartIndex(int startIndex){ 86y%=! bS
if(totalCount <= 0) I'?6~Sn3
this.startIndex = 0; =E!x~S;N
elseif(startIndex >= totalCount) a&N