Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 <9xr?i=
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 QH7 GEj]
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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 S"^'ksL\
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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 sieC7raO
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分页支持类: ?A .ah
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java代码: !L9]nO 'BL
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package com.javaeye.common.util; Us#/#-hJ
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import java.util.List; hiV!/}'7
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publicclass PaginationSupport {
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publicfinalstaticint PAGESIZE = 30; xbcmvJrG
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privateint pageSize = PAGESIZE; :p)^+AF"5
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privateList items; jVoD9H
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privateint totalCount; qZV|}M>P)
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privateint[] indexes = newint[0]; ofz?L#:2
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privateint startIndex = 0; ;0 +Dx~
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public PaginationSupport(List items, int <ycR/X
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totalCount){ Y1ca=ewFx
setPageSize(PAGESIZE); d9jD?HgM(
setTotalCount(totalCount); <:nyRy}
setItems(items); HFyQ$pbBU
setStartIndex(0); !OPHS^L
} %yfl-c(u
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public PaginationSupport(List items, int !:esdJH
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totalCount, int startIndex){ LLzxCMc9*
setPageSize(PAGESIZE); UpSJ%%.n
setTotalCount(totalCount); !5[SNr3^
setItems(items); /$\8?<Pc".
setStartIndex(startIndex); z"7X.*]
} &IRM<A!8
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public PaginationSupport(List items, int ~5Mj:{B
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totalCount, int pageSize, int startIndex){ ZpBP#Y*
setPageSize(pageSize); NN+;I^NqW&
setTotalCount(totalCount); }[@Q**j(
setItems(items); W
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setStartIndex(startIndex); cud9oJ-=;
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publicList getItems(){ {=gJGP/}_
return items; ./'d^9{
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publicvoid setItems(List items){ l1L8a I,8
this.items = items; Cv*K.T
} ^Ojg}'.Ygv
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publicint getPageSize(){ +`V<&
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return pageSize; =h
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} %" l;
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publicvoid setPageSize(int pageSize){ ?0JNaf
this.pageSize = pageSize; [^/a`Kda8
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publicint getTotalCount(){ q j9q
return totalCount; 61gyx6v
} DYgB_Iak
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publicvoid setTotalCount(int totalCount){ Wy-y-wi:p
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this.totalCount = totalCount; C#)T$wl[E
int count = totalCount /
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pageSize; TVSCjI
if(totalCount % pageSize > 0) Ux= B*m1@{
count++; 0mmHN`<
indexes = newint[count]; gnxD'1_
for(int i = 0; i < count; i++){ r[GH#vF;7
indexes = pageSize * XsFzSm
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} gLZJQubz
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}else{ N cGFPi(Z
this.totalCount = 0; M:& %c3
} cF9oo%3
} \M0's&