Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 U
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 2W6t0MgZ
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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 B<!WAw+
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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 :nn(Ndlz9
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分页支持类: 4&wwmAp^
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java代码: f6JC>Np
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package com.javaeye.common.util; ?.6fVSa
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import java.util.List; U%l<48@8
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publicclass PaginationSupport { z99jW<*0
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publicfinalstaticint PAGESIZE = 30; N5Ih+8zT
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privateint pageSize = PAGESIZE; 3AcCa>
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privateList items; v<V9Z
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privateint totalCount; LseS8F/q
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privateint[] indexes = newint[0]; 2M*84oh8P
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privateint startIndex = 0; [Q:mLc
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public PaginationSupport(List items, int k_](u91
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totalCount){ f<Xi/(
setPageSize(PAGESIZE); -"/l)1ox,
setTotalCount(totalCount); #Y<(7
setItems(items); 1LonYAHF
setStartIndex(0); N\W4LO6
} 4<q'QU#l<
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public PaginationSupport(List items, int TUM7(-,9
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totalCount, int startIndex){ >NAg*1
setPageSize(PAGESIZE); /4Jm]"
setTotalCount(totalCount); N2\{h(*u
setItems(items); }o2e&.$4d
setStartIndex(startIndex); +~!\;71:f
} oh.8WlI
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public PaginationSupport(List items, int Qcs>BOV~
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totalCount, int pageSize, int startIndex){ N)o/}@]6
setPageSize(pageSize); qZ rv2dT
setTotalCount(totalCount); .Uh|V-
setItems(items); /r Z`e'}
setStartIndex(startIndex); Uq:CM6q\
} b";D*\=x
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publicList getItems(){ ~v^I*/uY
return items; BM_Rlcx~
} wSIfqf+y
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publicvoid setItems(List items){ } DQ KfS
this.items = items; 2pV@CT
} ]2@g 5H}M
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publicint getPageSize(){ iw0|A
return pageSize; ~#nbD-*#
} uJu#Vr:m
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publicvoid setPageSize(int pageSize){ )sG/H8
this.pageSize = pageSize; ];hK5
} [zc8f
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publicint getTotalCount(){ 8bW,.to(?x
return totalCount; 9t o2V
} }4wIfI83K,
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publicvoid setTotalCount(int totalCount){ LL7un_EC
if(totalCount > 0){ -:!FQ'/7E
this.totalCount = totalCount; Xi"<'E3_
int count = totalCount / #xe-Yw1!
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pageSize; @&}~r
if(totalCount % pageSize > 0) {+^qm8n
count++; m5KAKpCR,
indexes = newint[count]; O
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for(int i = 0; i < count; i++){ k!=
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indexes = pageSize * 5#hsy;q;[
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} i5G"@4(
}else{ lMRy6fzI
this.totalCount = 0; x&