Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 AK2WN#u@Z
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 ({[,$dEa;
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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 WY>Knp=
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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 Q~Ea8UT.#
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分页支持类:
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java代码: sN/+
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package com.javaeye.common.util; Z'M`}3O
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import java.util.List; &Lt@} 7$8
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publicclass PaginationSupport { h6M;0_'
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publicfinalstaticint PAGESIZE = 30; 36$[
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privateint pageSize = PAGESIZE; KCtX$XGL
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privateList items; BSzkW}3q9
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privateint totalCount; {-WTV"L5*2
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privateint[] indexes = newint[0]; C1fyV]
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privateint startIndex = 0; LwdV3 vb#
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public PaginationSupport(List items, int N"c(e6
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totalCount){ w~+ aW(2
setPageSize(PAGESIZE); `}8&E(<
setTotalCount(totalCount); geGeZ5+B
setItems(items); r<yhI>>;<
setStartIndex(0); PRr*]$\&Mj
} fL6e?\Pw
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public PaginationSupport(List items, int 8^ #mvHah
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totalCount, int startIndex){ n1J]p#nCa.
setPageSize(PAGESIZE); U^_D|$6
setTotalCount(totalCount); _gV8aH ZyM
setItems(items); G[z
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setStartIndex(startIndex); '%7 Bx of
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public PaginationSupport(List items, int J8Z0D:5
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totalCount, int pageSize, int startIndex){ (tCib 4
setPageSize(pageSize); hbfq]v*X
setTotalCount(totalCount); Zb(t3I>n
setItems(items); srmKaa|
setStartIndex(startIndex); I}.i@d'O
} S; /. %
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publicList getItems(){ aj8Rb&
return items; wNDbHR
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publicvoid setItems(List items){ oln<yyDs
this.items = items; J YmAn?o-
} GyC)EFd
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publicint getPageSize(){ <z0WLw0'z
return pageSize; q7Es$zjX
} _vl}*/=Hc
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publicvoid setPageSize(int pageSize){ X0uJNHO
this.pageSize = pageSize; yyP-=Lhmo=
} !I8f#'p
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publicint getTotalCount(){ P&=lV}f
return totalCount; npH?4S-8G
} aC^$*qN-)
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publicvoid setTotalCount(int totalCount){ YpmYxd^
if(totalCount > 0){ HW 6.O|3
this.totalCount = totalCount; ..qd,9H
int count = totalCount / r>n"
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pageSize; &ab|2*3?X
if(totalCount % pageSize > 0) +%#8k9Y
count++; ;Icixu'O
indexes = newint[count]; 5<R%H{3j
for(int i = 0; i < count; i++){ iHBB,x
indexes = pageSize * x` /)g(
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} ;Yts\4BSM
}else{ YA&`&$
this.totalCount = 0; PkUd~c
} IVjU`ij
} 7@;">`zvm
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publicint[] getIndexes(){ NiSO'=y$n
return indexes; Xe1P- 60
} ^&