Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 nu2m5RYx
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 w")m]LV
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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 80Q%c( i
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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 N-45LS@
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分页支持类: :dxKcg7
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java代码: X `F>kp1
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package com.javaeye.common.util; DV)NY!
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import java.util.List; gQ<{NQMzvd
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publicclass PaginationSupport { ,v?FR
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publicfinalstaticint PAGESIZE = 30; TFzk5
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privateint pageSize = PAGESIZE; dh%DALZ8t
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privateList items; HJd{j,M
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privateint totalCount; $-s8tc(
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privateint[] indexes = newint[0]; vTL/% SJ8
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privateint startIndex = 0; as!P`*@
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public PaginationSupport(List items, int sN) xNz
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totalCount){ <vb7X
setPageSize(PAGESIZE); uWP0(6 %
setTotalCount(totalCount); aNwx~t]G
setItems(items); >X=V Ph8
setStartIndex(0); vZ^U]h V
} 7 ;2>kgf~
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public PaginationSupport(List items, int .
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totalCount, int startIndex){ ~&"'>C#
setPageSize(PAGESIZE); 9S l5jn
setTotalCount(totalCount); xmfZ5nVL
setItems(items); I$XwM
setStartIndex(startIndex); B$7Cjv
} y
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public PaginationSupport(List items, int C 7YS>?^]
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totalCount, int pageSize, int startIndex){ FL&L$#X
setPageSize(pageSize); 4ti,R'
setTotalCount(totalCount); 7;Vmbt9
setItems(items); CBz=-Xr
setStartIndex(startIndex); S,a:H*Hf
} kxmsrQ>av
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publicList getItems(){ $4^h>x
return items; _lC0XDZ
} "{c@}~
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publicvoid setItems(List items){ -"XHN=H
this.items = items; 7|o}m}yVx
} *?>52 -&b
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publicint getPageSize(){ 4H{$zMq8
return pageSize; &2n5m&
} GgE
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publicvoid setPageSize(int pageSize){ Bw9O)++
this.pageSize = pageSize; Xo6zeLHO
} }Nma %6PfV
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publicint getTotalCount(){ E?VOst&
return totalCount; ]O0u.=1k
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publicvoid setTotalCount(int totalCount){ ^S)t;t@x
if(totalCount > 0){ mcs!A/]<
this.totalCount = totalCount; m\_v{1g
int count = totalCount / 57_AJT hR
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pageSize; _{GD\Ai_W
if(totalCount % pageSize > 0) 9V;A+d,
count++; E
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indexes = newint[count]; E5a7p.
for(int i = 0; i < count; i++){ L[U?{
indexes = pageSize * hZ')<@hNP
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} `3z6y&dmx
}else{ ]?NiY:v
this.totalCount = 0; xS=" o
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publicint[] getIndexes(){ "s@q(J
return indexes; \KKE&3=
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publicvoid setIndexes(int[] indexes){ :!FGvR6
this.indexes = indexes; v"<M
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} &G?w*w_n
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publicint getStartIndex(){ 08g2? 5w"
return startIndex; 6w_TL<S
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publicvoid setStartIndex(int startIndex){ Cn_r?1{W
if(totalCount <= 0) Oe;1f#`5
this.startIndex = 0; Fz5eCe\B
elseif(startIndex >= totalCount) 7dOpJjv?)
this.startIndex = indexes *|gl1S
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[indexes.length - 1]; &