Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 g|_-O"l
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 pcIJija:
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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 r<4FF=
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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 [U[saR\
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分页支持类: _hlLM,p
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java代码: Ru8k2d$B
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package com.javaeye.common.util; 7,U^v}$
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import java.util.List; t.Hte/,k
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publicclass PaginationSupport { p%A
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publicfinalstaticint PAGESIZE = 30; `!{m#BBT}
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privateint pageSize = PAGESIZE; %7WQb]y
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privateList items; $oKT-G
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privateint totalCount; QTX5F5w
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privateint[] indexes = newint[0]; \d~sU,L;]
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privateint startIndex = 0; ,{=pFs2
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public PaginationSupport(List items, int tHgn-Dhzr
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totalCount){ D90m..\w
setPageSize(PAGESIZE); %\OG#36
setTotalCount(totalCount); C"
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setItems(items); D=*3Xd
setStartIndex(0); *h59Vaoc
} {.=4;
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public PaginationSupport(List items, int $RA8U:Q!1e
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totalCount, int startIndex){ ,CACQhrng
setPageSize(PAGESIZE); ^id9_RU
setTotalCount(totalCount); *xY}?vSs
setItems(items); ]z5`!e)L
setStartIndex(startIndex); yk
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} rGjP|v@3^
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public PaginationSupport(List items, int AC*>
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totalCount, int pageSize, int startIndex){ &fH;A X.
setPageSize(pageSize); fZM)>
setTotalCount(totalCount); dg#w/}}m
setItems(items); Z)=S. )
setStartIndex(startIndex); 1CS[%)-c
} !ho~@sc{W
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publicList getItems(){ "`Y.N$M`k
return items; d1MY>zq
} Mf [v 7\
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publicvoid setItems(List items){ 8WT^ES~C
this.items = items; @KtQ~D
} t^N
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publicint getPageSize(){ ]`[r=cG
return pageSize; z@WuKRsi
} r?^[o
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publicvoid setPageSize(int pageSize){ T )QZ9a
this.pageSize = pageSize; -p|JJx?r
} G-5wv
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publicint getTotalCount(){ ED9uKp<Wbv
return totalCount; JPeZZ13sS
} s06tCwPp
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publicvoid setTotalCount(int totalCount){ Dm=d
if(totalCount > 0){ dy>iIc>
this.totalCount = totalCount;
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int count = totalCount / G=rgL'{
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pageSize; +o{]0~y
if(totalCount % pageSize > 0) <p_r{
count++; m6V:x/'=
indexes = newint[count]; K6vF}A|
for(int i = 0; i < count; i++){ jt({@;sU[<
indexes = pageSize * b{:c0z<
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} f7y a0%N
}else{ :?!kZD!
this.totalCount = 0; (eTe`
} yJ(BPSt
} a}oFL%=?
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publicint[] getIndexes(){ Ww8C}2g3
return indexes; (%\vp**F
} 2(_+PQ6C=
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publicvoid setIndexes(int[] indexes){ fgmu*\x<