Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 1D2Yued
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 7cly{U"
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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 @{o3NR_
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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 i3U_G^8
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分页支持类: Y!fgc<]'&
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java代码: A&7~]BR\
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package com.javaeye.common.util; OQ*rxLcA
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import java.util.List; r>;6>ZMe
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publicclass PaginationSupport { BiCC72oig
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publicfinalstaticint PAGESIZE = 30; ?@5#p*u0
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privateint pageSize = PAGESIZE; X'.*I])
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privateList items; 2; ~jKR[~
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privateint totalCount; #*x8)6Ct
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privateint[] indexes = newint[0]; [@`Ki
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privateint startIndex = 0; :Kx6|83
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public PaginationSupport(List items, int VZEDBZ x*
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totalCount){ T;Zv^:]0
setPageSize(PAGESIZE); K XbD7N.
setTotalCount(totalCount); JmJNq$2#c
setItems(items); Xi"<'E3_
setStartIndex(0); IM*T+iRKqF
} K %Qj<{)
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public PaginationSupport(List items, int ,<,#zG[.
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totalCount, int startIndex){ 5`Oaf\S
setPageSize(PAGESIZE); EViQB.3w\
setTotalCount(totalCount); xa$p,_W:'
setItems(items); +RN|ZG&
setStartIndex(startIndex); p!RyxB1.|
} ~Lf>/w
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public PaginationSupport(List items, int ,G%?}TfC)
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totalCount, int pageSize, int startIndex){ J~(M%]
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setPageSize(pageSize); ZZ@1l
setTotalCount(totalCount); Mr
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setItems(items); GK\`8xWE
setStartIndex(startIndex); q:X&)f
} aFtL_#
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publicList getItems(){ 2nA/{W\ hC
return items; U?sio%`(
} 2/M:KR
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publicvoid setItems(List items){ pG0Ca](
this.items = items; AW<z7BD
} 4E~!$Ustx
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publicint getPageSize(){ >cM}M =4s
return pageSize; ewD=(y r
} -lNT"9
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publicvoid setPageSize(int pageSize){ Hb|y`O k
this.pageSize = pageSize; t,>j{SK ~
} 'awZ-$#
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publicint getTotalCount(){ ed6eC8@
return totalCount; Z9vJF.clO
} HMrl!;:
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publicvoid setTotalCount(int totalCount){ :jUu_s}
if(totalCount > 0){ _q/UDf1
this.totalCount = totalCount; 6nP-IKL
int count = totalCount / NNM+Z:
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pageSize; DgiMMmpE
if(totalCount % pageSize > 0) qp)a`'Pq
count++; cJ#|mzup
indexes = newint[count]; hm+,o_+
for(int i = 0; i < count; i++){ B9Y*'hmI
indexes = pageSize * iZbY@-3fc
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} $`O%bsjX
}else{ >y7|@'V[v0
this.totalCount = 0; [23F0-p
} EXD Qr'"
} i!+Wv-
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publicint[] getIndexes(){ ;&8
return indexes; +K"8Q'&