Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 $vO<v<I'Gb
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 &3"ODAp'
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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 4B[pQlg
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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 OMo /a%`
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分页支持类: [9 :9<#?o^
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java代码: XA>uCJf
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package com.javaeye.common.util; 9$9aBW
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import java.util.List; UfO='&U^
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publicclass PaginationSupport { bxL'k/Y$
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publicfinalstaticint PAGESIZE = 30; *>[q*SF
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privateint pageSize = PAGESIZE; !UPB4I
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privateList items; ?G!p4u?C
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privateint totalCount; ~~"U[G1
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privateint[] indexes = newint[0]; G[>CBh5
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privateint startIndex = 0; ~Hg*vCd ?
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public PaginationSupport(List items, int uuh._H}-
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totalCount){ GeB-4img
setPageSize(PAGESIZE); 8
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setTotalCount(totalCount); ^jpQfD e6
setItems(items); zd$iDi($
setStartIndex(0); Mkt_pr
} NaQ~iY?
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public PaginationSupport(List items, int 5oB#{h
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totalCount, int startIndex){ h?4EVOx+
setPageSize(PAGESIZE); gwB0/$!4"
setTotalCount(totalCount); &ns??:\+T
setItems(items); 9[YnY~z)
setStartIndex(startIndex); ,.=7{y~
} gth_Sz5!#
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public PaginationSupport(List items, int bh\2&]Di/
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totalCount, int pageSize, int startIndex){ vGJw/ij'X
setPageSize(pageSize); #\xy,C'Y
setTotalCount(totalCount); mdmJne.
setItems(items); OQg}E@LZ
setStartIndex(startIndex); &:g1*+
} S @!z'$&
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publicList getItems(){ LKZ<\%
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return items; 1Zo3K<*J
} #X{lV]Z
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publicvoid setItems(List items){ 0R]'HA>
this.items = items; .]<iRf[\[
} mL;oR4{
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publicint getPageSize(){ g86^Z%c(k
return pageSize; 4QiV@#o:
} |x _jpR
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publicvoid setPageSize(int pageSize){ \l5G
this.pageSize = pageSize; mv$gL
} 2`FDY3n
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publicint getTotalCount(){ Ck/w:i@>?
return totalCount; dd6l+z
} =gd~rk9
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publicvoid setTotalCount(int totalCount){ M4d4b
if(totalCount > 0){ ~Hx>yn94e
this.totalCount = totalCount; n5fc_N/8O=
int count = totalCount / @lh]?|*[
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pageSize; !0KNA1w,
if(totalCount % pageSize > 0) k&u5`F
count++; tjne[p
indexes = newint[count]; \y7\RV>>3b
for(int i = 0; i < count; i++){ mD?={*7%
indexes = pageSize * Gch3|e
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} 2,h]Y=.s
}else{ o7v9xm+
this.totalCount = 0; =C^4nP-
} QbWeQ[V{
} UH5A;SrTqR
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publicint[] getIndexes(){ a5`9mR)Y$'
return indexes; _2}/rwVg
} R?2T0^0
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publicvoid setIndexes(int[] indexes){ )Tn(!.
this.indexes = indexes; ) .MV1@s
} Fa X 3@Sd!
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publicint getStartIndex(){ 3#`Sk`z<
return startIndex; IfCa6g<&(
} PiNf;b^9
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publicvoid setStartIndex(int startIndex){ k&