Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 E*T84Jh6
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 2G:{ FY
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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 GE3U0w6WbK
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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 <hF~L k ,
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分页支持类: C;:1CK
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java代码: ##+8GLQM
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package com.javaeye.common.util; ;|$]Qq
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import java.util.List; d[Fr
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publicclass PaginationSupport { u%IKM\
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publicfinalstaticint PAGESIZE = 30; PS<tS_.
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privateint pageSize = PAGESIZE; MPEBinE?
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privateList items; Xi`U`7?D(=
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privateint totalCount; ^CZ|ci6bX
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privateint[] indexes = newint[0]; ^[\53\R~
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privateint startIndex = 0; >dC(~j{
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public PaginationSupport(List items, int R\Ynn^w
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totalCount){ 2'^OtM,
setPageSize(PAGESIZE); N4]6LA6x6
setTotalCount(totalCount); [N$_@[
setItems(items); ORPl^n-
setStartIndex(0); +5}T!r
} |(w#NE5
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public PaginationSupport(List items, int C"|_j?
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totalCount, int startIndex){ z^HlDwsbm
setPageSize(PAGESIZE); 8RT0&[
setTotalCount(totalCount); 0}C}\1
setItems(items); ps;o[gB@5
setStartIndex(startIndex); jxOVH+?l%
} nhxd
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public PaginationSupport(List items, int U[ O!&:6
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totalCount, int pageSize, int startIndex){ 3UtXxL&L`
setPageSize(pageSize); y?4=u,{C
setTotalCount(totalCount); p`.fYW:p
setItems(items); 2+Y`pz47W
setStartIndex(startIndex); [Ik
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} $mg h.3z0
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publicList getItems(){ TV>R(D3T/
return items; 8;Bwz RtgT
} `TR9GWU+B
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publicvoid setItems(List items){ w]YyU5rhS
this.items = items; "&o@%){]
} Tu#k+f*s
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publicint getPageSize(){ QS?9&+JM |
return pageSize; 6]A\8Ty
} DmA!+
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publicvoid setPageSize(int pageSize){ {j4:.fD
this.pageSize = pageSize; w)SxwlW}
} _Wsk3AP
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publicint getTotalCount(){ bD[W~ku
return totalCount; \bmboNe
} JM9Q]#'t
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publicvoid setTotalCount(int totalCount){ YZu#0)
if(totalCount > 0){ #Z5Wk
this.totalCount = totalCount; 3>3ZfFC
int count = totalCount / TK?N^ly
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pageSize; BqA wo
if(totalCount % pageSize > 0) X"59`Yh
count++; %31K*i/]
indexes = newint[count]; ?O^:j!C6
for(int i = 0; i < count; i++){ qGUe0(
indexes = pageSize * <.XoC?j
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} Os]M$c_88
}else{ j~>
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this.totalCount = 0; qiJ;v1
} 6>7LFV1tvy
} K4L#%KUPW
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