Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 @.'z* |z
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 vu=me?m?(
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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 pgT9hle/
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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 7_-w_"X
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分页支持类: 7KU~(?|:h
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java代码: @}WNKS&m
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package com.javaeye.common.util; qD#VbvRc9+
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import java.util.List; f/,tgA
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publicclass PaginationSupport { 77V
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publicfinalstaticint PAGESIZE = 30; in<}fAro6
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privateint pageSize = PAGESIZE; . V$ps-t
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privateList items; ZQ3_y $
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privateint totalCount; G/vC~6x
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privateint[] indexes = newint[0]; T$KF<
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privateint startIndex = 0; Tr& }$kird
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public PaginationSupport(List items, int /-4$7qd
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totalCount){ S:q$?$
setPageSize(PAGESIZE); jTb-;4N'
setTotalCount(totalCount); B@O@1?c[
setItems(items); k6"KB
setStartIndex(0); WZZ4]cC
} |Ps% M|8~
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public PaginationSupport(List items, int <YFY{VC(
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totalCount, int startIndex){ Lq (ZcEKo
setPageSize(PAGESIZE); *1{S*`|cJy
setTotalCount(totalCount); QvLZg
setItems(items); K-eY|n
setStartIndex(startIndex); 5,pSg
} U7iuY~L
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public PaginationSupport(List items, int }P9Ap3?
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totalCount, int pageSize, int startIndex){ uj|BQ`k
setPageSize(pageSize); ] asBd"
setTotalCount(totalCount); -n5
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setItems(items); !k&Q 5s:
setStartIndex(startIndex); Ad$n4Ze
} _:`!DIz~9}
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publicList getItems(){ sC"}8+[)S3
return items;
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} b;GD/UI
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publicvoid setItems(List items){ Oco YV J
this.items = items; |=a}iU8
} ;8{cA_&
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publicint getPageSize(){ fyWO
return pageSize; H ?M/mGP
} !0,Mp@ j/
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publicvoid setPageSize(int pageSize){ nqVZqX@oE
this.pageSize = pageSize; M$Zo.Bl$(
} V DS23Bo
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publicint getTotalCount(){ efP&xk
return totalCount; `qVjwJ!+
} eP.Vd7ky
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publicvoid setTotalCount(int totalCount){ X[gn+6WB%
if(totalCount > 0){ G~7 i@Zs
this.totalCount = totalCount; `#-P[q<v-
int count = totalCount / P^`duZ{T
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pageSize; 2lKV#9"
if(totalCount % pageSize > 0) 9[c%J*r
count++; iJ' xh n
indexes = newint[count]; :u8(^]N
for(int i = 0; i < count; i++){ Cxod[$8
indexes = pageSize * u]+~VT1C,3
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} G0O#/%%
}else{ 54-#QIx|
this.totalCount = 0; XdLCbY
} r0d35
} `U#55k9^5
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publicint[] getIndexes(){ ^EG\iO2X
return indexes; 'I;!pUfVp
} :c9U>1`g&
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publicvoid setIndexes(int[] indexes){ Hn>B!Bm*
this.indexes = indexes;
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} ?m$a6'2-,J
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publicint getStartIndex(){ P&m\1W(
return startIndex; "s!7dKXI"
} }g# &