Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 DU*qhW`X
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 2'W#x
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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 $1s>efP-
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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 PW"?*~&
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分页支持类: 438r]f?0|{
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java代码: jc>B^mqx
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package com.javaeye.common.util; d,meKQn
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import java.util.List; !]mo.zDSW5
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publicclass PaginationSupport { kMEXg zl
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publicfinalstaticint PAGESIZE = 30; N@'l:N'f4
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privateint pageSize = PAGESIZE; WyQ8}]1b
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privateList items; &DtI+)[|
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privateint totalCount; dR,a0+!
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privateint[] indexes = newint[0];
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privateint startIndex = 0; ib]<;t
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public PaginationSupport(List items, int i6;rh-M?.
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totalCount){ XCn;<$3w
setPageSize(PAGESIZE); Zcc7
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setTotalCount(totalCount); Ew{N2
setItems(items); trLxg H_Y
setStartIndex(0); }VH2G94Ll
} w+\RSqz/
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public PaginationSupport(List items, int v=uQ8_0~N
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totalCount, int startIndex){ V0#E7u`4
setPageSize(PAGESIZE); 'rfsrZ?
setTotalCount(totalCount); BTA2['
setItems(items); <X1[j9Qtv0
setStartIndex(startIndex); Tn3C0
} 3XbFg%8YG
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public PaginationSupport(List items, int EjEXev<]
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totalCount, int pageSize, int startIndex){ NLgeBLB
setPageSize(pageSize); `q\v~FT
setTotalCount(totalCount); lY[1P|]
setItems(items); McdK!V
setStartIndex(startIndex); NY[48H
} F[v^43-^_
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publicList getItems(){ ecp0 hG`%
return items; ;gRPTk$X3
} >u
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publicvoid setItems(List items){ $'a]lR
this.items = items; +}-cvM/*
} FklO#+<:
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publicint getPageSize(){ 1o
return pageSize; AMK3I`=8WO
} N=8CVI
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publicvoid setPageSize(int pageSize){ ,~K4+
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this.pageSize = pageSize; k.Z?BNP
} !) d
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publicint getTotalCount(){ G%%F6)W
return totalCount; ,zBc-Cm
} d _=44( -
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publicvoid setTotalCount(int totalCount){ UyNP:q:
if(totalCount > 0){ .e S* F
this.totalCount = totalCount; )B5U0iIi
int count = totalCount / TjctK [db@
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pageSize; SQw"mO
if(totalCount % pageSize > 0) :f R GXrn
count++; g87M"kQKA
indexes = newint[count]; <2+FE/3L
for(int i = 0; i < count; i++){ `
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indexes = pageSize * z`8>$9
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} @c,=c+-
}else{ @oMl^UYM=
this.totalCount = 0; 5pE@Ww
} Nn5sD3z#
} Sa6YqOel@
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publicint[] getIndexes(){ _x7>d:C
return indexes; _ 1\H{x
} qJj5_
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publicvoid setIndexes(int[] indexes){ p*Hf<)}
this.indexes = indexes; C2J@] &