Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 ]4wyuP,up
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 tn!z^W
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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 HEH Tj,T
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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 u&Ts'j
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分页支持类: CnyCEIO-
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java代码: m?bd6'&FR
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package com.javaeye.common.util; p.^glz >B
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import java.util.List; mpfc2>6Il.
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publicclass PaginationSupport { Q-o}Xnj*!L
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publicfinalstaticint PAGESIZE = 30; Q SPneYD
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privateint pageSize = PAGESIZE; j]th6
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privateList items; ;1PnbU b
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privateint totalCount; !wy
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privateint[] indexes = newint[0]; d#E]>:w9
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privateint startIndex = 0; )jkX&7x
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public PaginationSupport(List items, int #G2~#\
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totalCount){ SXkUtY$
setPageSize(PAGESIZE); 1vKc>+9
setTotalCount(totalCount); DZo7T!
setItems(items); 0gdFXh$!e
setStartIndex(0); (XW\4msB)I
} h?E[28QB
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public PaginationSupport(List items, int [@d$XC]Qz
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totalCount, int startIndex){ %
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setPageSize(PAGESIZE); ~ED8]*H|`
setTotalCount(totalCount); ;|_aACina
setItems(items); 0G`_dMN
setStartIndex(startIndex); Y"~Tf{8
} j9"uxw@
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public PaginationSupport(List items, int kDJ$kv
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totalCount, int pageSize, int startIndex){ qW*JB4`?a
setPageSize(pageSize); d 7vD
setTotalCount(totalCount); 4FSA:]o-
setItems(items); qgREkb0
setStartIndex(startIndex); XFpII45
} &KinCh7l L
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publicList getItems(){ zUX%$N+w}>
return items; sq
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} KwGk8$ U
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publicvoid setItems(List items){ S+(TRIjk
this.items = items; #'5|$ug[
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publicint getPageSize(){ lbM)U
return pageSize; A[lbBR
} 7<{g+Q~7*
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publicvoid setPageSize(int pageSize){ Ip#BR!$n
this.pageSize = pageSize; \a\-hm
} U9k;)fK
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publicint getTotalCount(){ -*xm<R],
return totalCount; B-Bgk
} ]D(!ua5|x`
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publicvoid setTotalCount(int totalCount){ B#RBR<MFC
if(totalCount > 0){ #OlU|I
this.totalCount = totalCount; y/U(v"'4U
int count = totalCount / 3ZdheenK9
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pageSize; fik*-$V`
if(totalCount % pageSize > 0) GIXxOea1
count++; Ay?KE{Qs '
indexes = newint[count]; hP1}Do
for(int i = 0; i < count; i++){ 1aEM&=h_W
indexes = pageSize * %`*`HU#X
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} lmmB =F
}else{ &'%b1CbE
this.totalCount = 0; 'a ]4]d
} f#4,2Xf
}
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