Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 K[[ 5H
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 [W8?ww%qT
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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 qFwAzW;"
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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 HEs .pET\
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分页支持类: 3|vZ`}
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java代码: 4=ZN4=(_[
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package com.javaeye.common.util; f"d4HZD^
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import java.util.List; :pGgxO% q
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publicclass PaginationSupport { f=Kt[|%'e
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publicfinalstaticint PAGESIZE = 30; +5ue)`
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privateint pageSize = PAGESIZE; S!R:a>\
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privateList items; m8z414o
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privateint totalCount; 0r%,|FaS
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privateint[] indexes = newint[0]; F5YHc$3^
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privateint startIndex = 0; 5`f\[oA
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public PaginationSupport(List items, int H 2UR
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totalCount){ ~.<}/GP] _
setPageSize(PAGESIZE); p&cJo<]=LE
setTotalCount(totalCount); j?s+#t
setItems(items); c3|/8
setStartIndex(0); cQ`+ A|q
} xwZ7I
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public PaginationSupport(List items, int 5dEek7wnf
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totalCount, int startIndex){ K&%YTA
setPageSize(PAGESIZE); \j~LxV
setTotalCount(totalCount); I#GsEhi
setItems(items); xXNLUP
setStartIndex(startIndex); br7_P1ep
} <dX7{="&
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public PaginationSupport(List items, int XFcIBWS
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totalCount, int pageSize, int startIndex){ tzSg`7H!
setPageSize(pageSize); ?KXgG'!!
setTotalCount(totalCount); & <Jvaf_=
setItems(items); 9|&%"~6'
setStartIndex(startIndex); .>|]Lo(=l
} Y)9]I6n7
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publicList getItems(){ uJ>_
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return items; = ms
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} Czt>?8x`
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publicvoid setItems(List items){ 6)Dp2
this.items = items; te8lF{R
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publicint getPageSize(){ x $=-lB
return pageSize; eXsFPM
} parc\]M
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publicvoid setPageSize(int pageSize){ A]CO
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this.pageSize = pageSize; zMmVYx
} |h75S.UY
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publicint getTotalCount(){ SPU_@ Pk
return totalCount; aBx8wl*Vm
} 9t^Q_ [hG
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publicvoid setTotalCount(int totalCount){ < &~KYu\r
if(totalCount > 0){ *Mr?}_,X*
this.totalCount = totalCount; 3~Vo]wv
int count = totalCount / 2t7Hu)V
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pageSize; @I$;
if(totalCount % pageSize > 0) %knPeo&
count++; ^6[o$eY3
indexes = newint[count]; |6}:n,KA.
for(int i = 0; i < count; i++){ 4)=\5wJDg1
indexes = pageSize * _laLTP*
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} -8r9DS-/W
}else{ (1my9k5C
this.totalCount = 0; t!"XQ$g'
} U~e^
} 0Zv<]xO
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publicint[] getIndexes(){ |:?JSi0
return indexes;
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} yIdM2#`u
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publicvoid setIndexes(int[] indexes){ 6s"Erq5q
this.indexes = indexes; ORo +=2
} cPgz?,hE
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publicint getStartIndex(){ ^Q\O8f[u
return startIndex; !Y3
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} %)K)h&m