Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 rlpbLOG`
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 .7K<9K +P
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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 P}re"<MD
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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 x
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分页支持类: _!ITCkBj
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java代码: u}0U!
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package com.javaeye.common.util; Z(|'zAb^
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import java.util.List; sy(8-zbI
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publicclass PaginationSupport { K\VL[HP-
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publicfinalstaticint PAGESIZE = 30; ]n
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privateint pageSize = PAGESIZE; 1
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privateList items; S2\|bs7;J,
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privateint totalCount; tj1M1s|a
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privateint[] indexes = newint[0]; KB5<)[bs
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privateint startIndex = 0; t,IQ|B&0
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public PaginationSupport(List items, int XIRvIwO
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totalCount){ K9=f`JI9
setPageSize(PAGESIZE); INF}~DN]
setTotalCount(totalCount); zqlgJn
setItems(items); zf.&E3Sn
setStartIndex(0); +d289"
} ,&ld:v?~
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public PaginationSupport(List items, int 8r\;8all
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totalCount, int startIndex){ o/\f+iz7
setPageSize(PAGESIZE); 2S@aG%-)
setTotalCount(totalCount); -oMp@2\e
setItems(items); *t_JR
setStartIndex(startIndex); :(TOtrK@
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public PaginationSupport(List items, int "eH.<&
) k6O
totalCount, int pageSize, int startIndex){ vD91t/_+
setPageSize(pageSize); Z~6PrM-M
setTotalCount(totalCount); \wb0%>
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setItems(items); &Ndq^!e
setStartIndex(startIndex); UC*\3:>'n
} PCX X[N
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publicList getItems(){ 'nP;IuMP
return items; S&z8-D=8k
} }~+_|
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publicvoid setItems(List items){ k3VRa|Y")
this.items = items; vE$n0bL2
} 17) `CM$<[
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publicint getPageSize(){ R.)w
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return pageSize; @lu`oyM
} Y<)9TU:D!
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publicvoid setPageSize(int pageSize){ 5hg
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this.pageSize = pageSize; ,cwjieM
} cIB[D.
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publicint getTotalCount(){ m5kt
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return totalCount; GI[XcK^*w
} `\M}~
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publicvoid setTotalCount(int totalCount){ cM;,n X %/
if(totalCount > 0){ CMviR<.
this.totalCount = totalCount;
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int count = totalCount / 'E_~>
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pageSize; .u^4vVz
if(totalCount % pageSize > 0) V}po
count++; yd~}CF
indexes = newint[count]; P{[@t_
for(int i = 0; i < count; i++){ mgI 7zJX
indexes = pageSize * _eg&