Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 kzu=-@s
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 :h@:F7N _
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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 b :00w["
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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 L`v,:#Y
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分页支持类: FqfeH_-U
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java代码: G 2##M8:U0
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package com.javaeye.common.util; fx},.P=:*
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import java.util.List; Uan;}X7@
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publicclass PaginationSupport { 1A`u0Y$g
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publicfinalstaticint PAGESIZE = 30; =v8q
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privateint pageSize = PAGESIZE; ;uy/Vc5,Y
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privateList items; <G={Vfr
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privateint totalCount; ak zb<aT
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privateint[] indexes = newint[0]; t@\0$V
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privateint startIndex = 0; tx.sUu6
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public PaginationSupport(List items, int lq~n*uwO}t
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totalCount){ !TcjB;q'
setPageSize(PAGESIZE); "F&uk~ b$
setTotalCount(totalCount); 827N?pU$)
setItems(items); |8"HTBb\CW
setStartIndex(0); ofJ@\xS
} J7H1<\=cJb
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public PaginationSupport(List items, int e=U7w7(s9
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totalCount, int startIndex){ qXW5_iX
setPageSize(PAGESIZE); P;GUGG*W
setTotalCount(totalCount); .Kx5Kh{
setItems(items); 0(n/hJ
setStartIndex(startIndex); btOC\bUMfD
} N^)OlH
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public PaginationSupport(List items, int &^Io\
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totalCount, int pageSize, int startIndex){ ][Kj^7/
setPageSize(pageSize); kF?\p`[a
setTotalCount(totalCount); UU_k"D~
setItems(items); lPH]fWt<
setStartIndex(startIndex); *m2:iChY
} {r"HR%*u
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publicList getItems(){ lH[N*9G(
return items; rfk';ph
} QL3%L8
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publicvoid setItems(List items){ j JW0a\0
this.items = items; x|Dj
} |cH\w"DcXw
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publicint getPageSize(){ p8Pvctc
return pageSize; ?@ O[$9y
} z;-2xD0&U[
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publicvoid setPageSize(int pageSize){ KF.?b]
this.pageSize = pageSize; $ysC)5q.
} iVD9MHT4
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publicint getTotalCount(){ hod|o1C&
return totalCount; #8'%CUF*<8
} OHB!ec6W
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publicvoid setTotalCount(int totalCount){ {_ocW@@
if(totalCount > 0){ J4<- C\=4
this.totalCount = totalCount; `Tab'7
int count = totalCount / [p(Y|~
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pageSize; Tsa&R:SE
if(totalCount % pageSize > 0) 9s}--_k?F2
count++; 5)}xqE"x
indexes = newint[count]; :Z<-J`
for(int i = 0; i < count; i++){ jYU#]
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indexes = pageSize * VB Ce=<
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} +!X^E9ra
}else{ sGV%O=9?2
this.totalCount = 0; GDk/85cv0$
} X{)M}WO+r
} 2D
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publicint[] getIndexes(){ [;c#LJ/y
return indexes; [Ga9^e$Zv
} _9<Ko.GVq
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publicvoid setIndexes(int[] indexes){ c1c0b|B!U
this.indexes = indexes; x.'O_7c0:
} oYu5]ry
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publicint getStartIndex(){ *-2u0 %
return startIndex; wsM5TB
} Fd2zvi
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publicvoid setStartIndex(int startIndex){ 7-)Y\D
if(totalCount <= 0) )=~1m85+5B
this.startIndex = 0; !x>P]j7A}Y
elseif(startIndex >= totalCount) +&|WC2#
this.startIndex = indexes zF{5!b
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[indexes.length - 1]; <jV_J+#
elseif(startIndex < 0) KnlVZn[3t
this.startIndex = 0; /<GygRs
else{ qUCiB}
this.startIndex = indexes GeE|&popO
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[startIndex / pageSize]; QQqWJq~
} t0/fF'GZD
} d"$ \fL
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publicint getNextIndex(){ HdVGkv/
int nextIndex = getStartIndex() + 6zyozJA
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pageSize; dw'%1g.113
if(nextIndex >= totalCount)
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return getStartIndex(); 2OEOb,`
else JrO2"S
return nextIndex; *Bc=gl$
} (G:$/fK
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publicint getPreviousIndex(){ X)`?P*[
int previousIndex = getStartIndex() - y!!p:3
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pageSize; W*gu*H^s~
if(previousIndex < 0) [&6l=a
return0; y2&G0