Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 dR
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 s'3
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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 O6@j &*jS
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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
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分页支持类: 1}"++Z73P
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java代码: 0`Kj25
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package com.javaeye.common.util; @<,X0S
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import java.util.List; Z~GL5]S
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publicclass PaginationSupport { 1eA7>$w}[
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publicfinalstaticint PAGESIZE = 30; j*d
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privateint pageSize = PAGESIZE; 97Lte5c6r
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privateList items; ^0Zf,40
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privateint totalCount; MlcR"gl*
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privateint[] indexes = newint[0]; |U~<3.:m:
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privateint startIndex = 0; 84$nT>c
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public PaginationSupport(List items, int XFg9P}"
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totalCount){ v0ujdp,B
setPageSize(PAGESIZE); vx\r!]
setTotalCount(totalCount); #
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setItems(items); xg30xC[
setStartIndex(0); Gw=B:kGk
} ?yZ+D z\
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public PaginationSupport(List items, int $yN{-T"
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totalCount, int startIndex){ #:jHp44J
setPageSize(PAGESIZE); V4hiGO[
setTotalCount(totalCount); ><RpEnWZ<
setItems(items); ,ZaRy$?
setStartIndex(startIndex); {SOr#{1z*
} X1,I
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public PaginationSupport(List items, int `-.%^eIp
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totalCount, int pageSize, int startIndex){ j
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setPageSize(pageSize); I?]ohG K
setTotalCount(totalCount); @#<D ^"
setItems(items); Q`~jw>x
setStartIndex(startIndex); ^pxX]G]
} 7X`l&7IXP
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publicList getItems(){ )}g(b=
return items; *RDn0d[
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publicvoid setItems(List items){ c7<wZ
this.items = items; [O$Wa:< 0x
} VdPtPq1
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publicint getPageSize(){ O $LfuL
return pageSize; rr+|Zt
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} V n7*JS
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publicvoid setPageSize(int pageSize){ s0\X ^
this.pageSize = pageSize; ? 8)'oMD
} `V=N*hv`
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publicint getTotalCount(){ 6q*9[<8
return totalCount; y.anl
} I+BHstF5um
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publicvoid setTotalCount(int totalCount){ ^({})T0wu
if(totalCount > 0){ %u? >#
this.totalCount = totalCount; ^b/ Z)3
int count = totalCount / ?iPC*
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pageSize; G(Lzf(
if(totalCount % pageSize > 0) o#;b
count++; t,QyfN
indexes = newint[count]; DD7h^-x
for(int i = 0; i < count; i++){ $g@=Z"
indexes = pageSize * xRJ\E }/7
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} *Tas`WA
}else{ yGI;ye'U
this.totalCount = 0; #~#R-
} ~F7-HaQJ
} uYn_? G
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publicint[] getIndexes(){ wi;Br[d
return indexes; 6{x(.=
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publicvoid setIndexes(int[] indexes){ rk&IlAE
this.indexes = indexes; #eQJEajv5
} f) zn TJL
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publicint getStartIndex(){ QU4h8}$
return startIndex; #J@[Wd
} s2teym,uG
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publicvoid setStartIndex(int startIndex){ ZNJ@F<