Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 DjU9
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 "#v=IJy&r
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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 Q^p|Ldj
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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 yCJ Fo
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分页支持类: Xh J,"=E+
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java代码: f84:hXo6
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package com.javaeye.common.util; _k^0m
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import java.util.List; "<}&GcJbz
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publicclass PaginationSupport { MNH1D!}
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publicfinalstaticint PAGESIZE = 30; fN"(mW>!
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privateint pageSize = PAGESIZE; SuZ&vqS
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privateList items; P}.7Mehf
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privateint totalCount; {JV@"t-X3"
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privateint[] indexes = newint[0]; A:<;M@q!
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privateint startIndex = 0; K[chjp!$l
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public PaginationSupport(List items, int `OymAyEYQ
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totalCount){ FgL,k
setPageSize(PAGESIZE); X-Wz:NA
setTotalCount(totalCount); nA?Hxos
setItems(items); Y!6/[<r$~k
setStartIndex(0); 9dMrgz&'
} ,@m@S^
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public PaginationSupport(List items, int <8UYhGK
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totalCount, int startIndex){ IlX$YOf4
setPageSize(PAGESIZE); 3D9!M-
setTotalCount(totalCount); yT{8d.Rh
setItems(items); q9"=mO0J+
setStartIndex(startIndex); p0.|<
} x\2?ym@
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public PaginationSupport(List items, int \:>
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totalCount, int pageSize, int startIndex){ #k3t3az2{
setPageSize(pageSize); qH"Gm
setTotalCount(totalCount); jkiTj~WE-
setItems(items); "uLjIIl
setStartIndex(startIndex); \,!QJp4
} mj?16\|]
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publicList getItems(){
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return items; crO@?m1
} 74<!&t
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publicvoid setItems(List items){ vi@Lz3}::
this.items = items; @v\*AYr'M
} *`(
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publicint getPageSize(){ R~bC,`Bh
return pageSize; BF{w)=@/'
} Y+/JsOD
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publicvoid setPageSize(int pageSize){ $ _8g8r}
this.pageSize = pageSize; JcJmds
} ~-a'v!
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publicint getTotalCount(){ %7Kooq(i
return totalCount; j?b\+rr
} ck#"*],
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publicvoid setTotalCount(int totalCount){ %tA57Pn>
if(totalCount > 0){ sqx`">R
this.totalCount = totalCount; :5GZ \Z8F
int count = totalCount / v+6@cC
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pageSize; 0;,IKXK6X
if(totalCount % pageSize > 0) Dc~,D1xWj
count++; +@X5!S6
indexes = newint[count]; vUC!fIG
for(int i = 0; i < count; i++){ T~sTBGcv
indexes = pageSize * 6VD1cb\lF
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} 3`9{T>
}else{ `Lyq[zg8
this.totalCount = 0; l2b{u
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} Kr L>FI
} %Qn(rA@9
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publicint[] getIndexes(){ HOt>}x
return indexes; O`FqD{@V
} I
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publicvoid setIndexes(int[] indexes){ 'f?.R&