Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 bjM-Hd/K
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 L0X&03e=e:
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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 X0^zw^2W
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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 BlkSWW/
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分页支持类: t!6\7Vm/
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java代码: q1N4X7<_
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package com.javaeye.common.util; Am2*-
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import java.util.List; iP~sft6
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publicclass PaginationSupport { yQu vW$
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publicfinalstaticint PAGESIZE = 30; MB}:GY?
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privateint pageSize = PAGESIZE; 5|yZEwq
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privateList items; Vil@?Y"
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privateint totalCount; @)
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privateint[] indexes = newint[0]; IJ hxE
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privateint startIndex = 0;
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public PaginationSupport(List items, int b OW}"
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totalCount){ ri_P;#lz
setPageSize(PAGESIZE); lTn;3'
setTotalCount(totalCount); _Mlhumt
setItems(items); g+:$X- r
setStartIndex(0); FL59
} %rFP#L
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public PaginationSupport(List items, int O:2 #_
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totalCount, int startIndex){ y@q1c*|
setPageSize(PAGESIZE); #g,H("Qy({
setTotalCount(totalCount); TLy;4R2Nn
setItems(items); N[>:@h
setStartIndex(startIndex); x]H3Y3
} /#29Y^Z)=
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public PaginationSupport(List items, int wbBE@RU>!
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totalCount, int pageSize, int startIndex){ SzRL}}I
setPageSize(pageSize); 5Qb;2!
setTotalCount(totalCount); GX7VlI[
setItems(items); VZ;@S3TS
setStartIndex(startIndex); m^z,,t9
} &/HoSj>HS
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publicList getItems(){ |n)<4%i8J
return items; DQcWq'yY^
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publicvoid setItems(List items){ !!9{U%s
this.items = items; +5#x6[
} [;<<4k(nL
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publicint getPageSize(){ qZ#!CPHS
return pageSize; ]XY0c6
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} [
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publicvoid setPageSize(int pageSize){ :r\xkHg/f
this.pageSize = pageSize; Vw7WK
} :|=- (z
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publicint getTotalCount(){
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return totalCount; kw3+>{\
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publicvoid setTotalCount(int totalCount){ nYhp`!W4;
if(totalCount > 0){ lelMt=
this.totalCount = totalCount; S3QaYq"v
int count = totalCount / !h?=Wv
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pageSize; /Ad6+cY
if(totalCount % pageSize > 0) Zct!/u9 Q
count++; ~C0Pu.{o
indexes = newint[count]; (N7O+3+G
for(int i = 0; i < count; i++){ .3( ;9};
indexes = pageSize * $ND90my
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} #sS9vv7i
}else{ O hi D
this.totalCount = 0; db'K!M)
} ]b> pI;
} 4?
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publicint[] getIndexes(){ UP?D@ogl<
return indexes; qZ&