Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 qT,Te
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 j:<n+:HC
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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 +lm{Olm'^
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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 vo`2\R.
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分页支持类: .}&`TU
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java代码: 0vFD3}~>
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package com.javaeye.common.util; Hcl(3>Jn2
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import java.util.List; ?sab*$wG
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publicclass PaginationSupport { !HrKXy0{
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publicfinalstaticint PAGESIZE = 30; o1Ph~|s*8
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privateint pageSize = PAGESIZE; H#@^R(
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privateList items; Gnf~u[T6
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privateint totalCount; ^X0P'l&D2
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privateint[] indexes = newint[0]; 1HXjN~XF
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privateint startIndex = 0; O]lSWEe
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public PaginationSupport(List items, int W=vG$
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totalCount){ mk1bcK9
setPageSize(PAGESIZE); xGu r
setTotalCount(totalCount); " 7!;KHc
setItems(items); nTuJEFn{
setStartIndex(0); E^QlJ8
} vk+VP 1D
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public PaginationSupport(List items, int .P;*D ws
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totalCount, int startIndex){ 3|WWo1
setPageSize(PAGESIZE); C
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setTotalCount(totalCount); &S( .GdEf
setItems(items); v\!Be[ ?
setStartIndex(startIndex); Anscr
} qDv93
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public PaginationSupport(List items, int 'ixwD^x
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totalCount, int pageSize, int startIndex){ (^@ra$.
setPageSize(pageSize); 1nQWW9i
setTotalCount(totalCount); 33#0J$j7
setItems(items); e<=cdze
setStartIndex(startIndex); 'SCidN(n
} vV[eWd.o6M
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publicList getItems(){ L{hnU7sY
return items; {U!8|(
} `wus\&!W
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publicvoid setItems(List items){ @\0Eu212
this.items = items; CZ(/=3,3n
} gUxP>hB
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publicint getPageSize(){ ?mWw@6G,
return pageSize; u:[vaBh91
} #>%X_o-o23
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publicvoid setPageSize(int pageSize){ <z]cyXv/
this.pageSize = pageSize; > ?6&c
} :Qumb
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publicint getTotalCount(){ T'4z=Z]w
return totalCount; UG2nX3?
} p$h4u_
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publicvoid setTotalCount(int totalCount){ <(-3_s6-
if(totalCount > 0){ v1%uxthW
this.totalCount = totalCount; et,f_fd7v
int count = totalCount / Hz.(qW">5*
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pageSize; e
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if(totalCount % pageSize > 0) W6"v)Jc>_
count++; !eEHmRgg4
indexes = newint[count]; TQx.KM>y
for(int i = 0; i < count; i++){ oXxCXO,q
indexes = pageSize * fRtUvC-#H
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} Eo#u#IY
}else{ RA G3o-
this.totalCount = 0; ZCB_
} bzX\IrJpOZ
} CAcS~ "
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publicint[] getIndexes(){ 5dB'&8DX
return indexes; ))&;}2{
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publicvoid setIndexes(int[] indexes){ <^zHE=h"
this.indexes = indexes; =$nB/K,8AX
} B
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publicint getStartIndex(){ \T<$9aNb
return startIndex; agjv{
} 9'{}!-(xR
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publicvoid setStartIndex(int startIndex){ M-[$L XR
if(totalCount <= 0) <