Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 ! QM.P
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 n]Zk;%yL
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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 ?38lHn`FyQ
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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 cvnB!$eji
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分页支持类: y}FZD?"
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java代码: KzjC/1sd
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package com.javaeye.common.util; .f:n\eT):
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import java.util.List; 6sJw@OaJ
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publicclass PaginationSupport { L[g0&b%%-
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publicfinalstaticint PAGESIZE = 30; Ml?~
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privateint pageSize = PAGESIZE; -`b8T0?oK
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privateList items; <q
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privateint totalCount; ~j>D=!
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privateint[] indexes = newint[0]; 7 <9yH:1
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privateint startIndex = 0; JIm4vS
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public PaginationSupport(List items, int vxFTen{-F
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totalCount){ s 5WqR8
setPageSize(PAGESIZE); G{Yz8]m
setTotalCount(totalCount); Wy .IcWK
setItems(items); Rk6deI]
setStartIndex(0); 6$U]9D
} mLh kI!4[
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public PaginationSupport(List items, int d}'U?6ob
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totalCount, int startIndex){ B* kcNlW
setPageSize(PAGESIZE); ;-P)m
setTotalCount(totalCount); ({r*=wAP
setItems(items); Byl^?5
setStartIndex(startIndex); >Fio;cn?
} vhbDb)J
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public PaginationSupport(List items, int Zxr!:t7
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totalCount, int pageSize, int startIndex){ dZ#&YG)?e
setPageSize(pageSize); Q;11N7+
setTotalCount(totalCount); Kt@M)#
setItems(items); ~Q{QM: k
setStartIndex(startIndex); aj8A8ma*}
} [x=jH>Y
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publicList getItems(){ %^sTU4D5
return items; Y8M]Lwj
} &Z(K6U#.
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publicvoid setItems(List items){ pl@O
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this.items = items; j',W 64
} v+p{|X-
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publicint getPageSize(){ H]Hv;fcC
return pageSize; fjvN$NgVs
} \(226^|j
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publicvoid setPageSize(int pageSize){ mxor1P#|
this.pageSize = pageSize; !It`+0S
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} rpeJkG@+
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publicint getTotalCount(){ 8!.ojdyn
return totalCount; X%yO5c\l2
} fYKO J5f
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publicvoid setTotalCount(int totalCount){ " \I4u{zC
if(totalCount > 0){ UOQEk22
this.totalCount = totalCount; W3`>8v1?o
int count = totalCount / 21k5I #U
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pageSize; *JggU
if(totalCount % pageSize > 0) G\|,5HED
count++; x.Q&$#
indexes = newint[count]; rG,5[/l
for(int i = 0; i < count; i++){ Gt9&)/#
indexes = pageSize * Gy=B&bo