Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 6:Ch^c+IZ
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 )Dw,q~xgg0
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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 V5sg#|&
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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 -Zf@VW,NI
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分页支持类: ~$:|VHl
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java代码: }!"A! ~&
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package com.javaeye.common.util; L;VoJf
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import java.util.List; iop2L51eJ
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publicclass PaginationSupport { 3L833zL
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publicfinalstaticint PAGESIZE = 30; +$C4\$t
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privateint pageSize = PAGESIZE; P
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privateList items; -fwoTGlX
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privateint totalCount; <49K>S9O
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privateint[] indexes = newint[0]; 87<-kV
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privateint startIndex = 0; zEd0Tmt
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public PaginationSupport(List items, int >XY`*J^
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totalCount){ UR7g`/
setPageSize(PAGESIZE); BSYzC9h`
setTotalCount(totalCount); 9N9L}k b
setItems(items); S{PJUAu
setStartIndex(0); {["\.ZS|
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public PaginationSupport(List items, int C\/xl#e<@
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totalCount, int startIndex){ :=/85\P0SU
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setItems(items); ?ooe'V@
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public PaginationSupport(List items, int w[9|cgCY
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totalCount, int pageSize, int startIndex){ 1Ty<\bZ=
setPageSize(pageSize); 56+s~hG
setTotalCount(totalCount); Y?
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setStartIndex(startIndex); 6|aKL[%6
} jGXO\:sO
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publicList getItems(){ UUzYbuS>&l
return items; =NnNN'}
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publicvoid setItems(List items){ "}q@Y=
this.items = items; OK{quM5
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publicint getPageSize(){ q*F{/N**
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publicvoid setPageSize(int pageSize){ rs,2rSsg!
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publicint getTotalCount(){ &j4 xgh 9
return totalCount; a=DcZ_M
} ^cczJOxB
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publicvoid setTotalCount(int totalCount){ 5jd,{<
if(totalCount > 0){ 4a'N>eDR
this.totalCount = totalCount; r<K(jG[:{f
int count = totalCount / GliwY_
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pageSize; zaah^.MA|
if(totalCount % pageSize > 0) MYla OT
count++; ^Wc@oa`
indexes = newint[count];
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for(int i = 0; i < count; i++){ J4Nln
indexes = pageSize * AtdlZ
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this.totalCount = 0; 1+9W+$=h2
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publicint[] getIndexes(){ R{ a"Y$
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} ^r*r
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publicvoid setIndexes(int[] indexes){ { jhr<
this.indexes = indexes; VY~yg*
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publicint getStartIndex(){ (vb
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return startIndex; }oL'8-y
} qOSM}ei>s
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publicvoid setStartIndex(int startIndex){ K{[%7AM
if(totalCount <= 0) '7+4`E
this.startIndex = 0; cIav&