Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 q}*(rR9/Br
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 #OqQD6
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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 p3&/F=T;)
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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 d/v{I
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分页支持类: ='`z
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java代码: V:fz
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package com.javaeye.common.util; B5GT^DaT
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import java.util.List; (0 /,R
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publicclass PaginationSupport { x{6KsYEY
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publicfinalstaticint PAGESIZE = 30; P^&%T?Y6z
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privateint pageSize = PAGESIZE; ]v(8i3P84
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privateList items; )_k"_VVcC
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privateint totalCount; w#vSZbh
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privateint[] indexes = newint[0]; NRN3*YGo
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privateint startIndex = 0; ~P8 6=Vw
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public PaginationSupport(List items, int 7|% |w
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totalCount){ 6_]-&&Nr
setPageSize(PAGESIZE); }(k#,&Fv`
setTotalCount(totalCount); d` %8qLIW
setItems(items); 5b> -t#N,
setStartIndex(0); w^OV;gp
} Uc%n{
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public PaginationSupport(List items, int 4<}!+X7m
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totalCount, int startIndex){ x93h{Kf
setPageSize(PAGESIZE); 1P4cBw%
setTotalCount(totalCount); OAJGwm
setItems(items); R=&9M4
setStartIndex(startIndex); [.J&@96,b
} rPhx^
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public PaginationSupport(List items, int @Wgd(Ezd
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totalCount, int pageSize, int startIndex){ ,LI$=lJ@
setPageSize(pageSize); w-iu/|}
setTotalCount(totalCount); ?tzJ7PJ~B
setItems(items); bfo..f-0/Y
setStartIndex(startIndex); e&~vO| 3w%
} {
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publicList getItems(){ L& = a(
return items; e"}JHXs
} MoAie|MKe
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publicvoid setItems(List items){ A]0A,A0
this.items = items; |Gp!#D0b
} uqz HS>GM
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publicint getPageSize(){ nm"]q`(K
return pageSize; ~[8n+p+&X
} zM+4<k_dH]
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publicvoid setPageSize(int pageSize){ SjosbdD
this.pageSize = pageSize; aE|'%72g
} oW}nr<G{<
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publicint getTotalCount(){ .7K)'
return totalCount; 1JQ5bB"
} ~];r{IU
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publicvoid setTotalCount(int totalCount){ ^fiJxU
if(totalCount > 0){ QhhL_vP
this.totalCount = totalCount; 7xF)\um
int count = totalCount / z`"*60b
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pageSize; FR9w0{o
if(totalCount % pageSize > 0) L<XAvg
count++; noNJ+0S
indexes = newint[count]; #fYRsVQ
for(int i = 0; i < count; i++){ mjQZ"h0
indexes = pageSize * ~dO+kD
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} c;?J
}else{ Ucx"\/"
this.totalCount = 0; #<LJns\t
} $7QGi|W*k
} .FN;3HU
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publicint[] getIndexes(){ 4#Xz-5v
return indexes; s=e`}4
} O #<F"e;$
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publicvoid setIndexes(int[] indexes){ v<Ywfb
this.indexes = indexes; zviTGhA
} _l"=#i@L
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publicint getStartIndex(){ 5DpvMhc_
return startIndex; i zYC0T9
} v.&c1hK