Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 ( aGwe@AS
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 cG|ihG5)
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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 N5ityJIgQ
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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 0L
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分页支持类: 1D42+cy
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java代码: k!gft'iU
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package com.javaeye.common.util; N7=L^]
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import java.util.List; {2`:7U~|
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publicclass PaginationSupport { Fm@G@W7,m
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publicfinalstaticint PAGESIZE = 30; ;%r#pv~
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privateint pageSize = PAGESIZE; jP{LMmV
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privateList items; DwXzmp[qWH
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privateint totalCount; mK3U*)A
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privateint[] indexes = newint[0]; CU3[{a
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privateint startIndex = 0; rrGsam\.
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public PaginationSupport(List items, int fmDU
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totalCount){ 5>J{JW|
setPageSize(PAGESIZE); A^PCI*SN[
setTotalCount(totalCount); CD\k.
setItems(items); ?UAB}CjY
setStartIndex(0); IfHB+H
} /n=
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public PaginationSupport(List items, int 4%Q8>mEvT
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totalCount, int startIndex){ Fg8i}
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setPageSize(PAGESIZE); Jsee8^_~
setTotalCount(totalCount); ^c1%$@H
setItems(items); |k~\E|^
setStartIndex(startIndex); \29a@ 6
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public PaginationSupport(List items, int #un#~s
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totalCount, int pageSize, int startIndex){ YYFJJ,7?
setPageSize(pageSize); JO:40V?op
setTotalCount(totalCount); k^3|A3A
setItems(items); `3!ERQU
setStartIndex(startIndex); 9QaEUy*,
} ,Mf@I5?
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publicList getItems(){ D*d@<&Bl4<
return items; -(FVTWi0
} \BC|`)0h
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publicvoid setItems(List items){ :]%z8,6k
this.items = items; ,bRvj8"M
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}
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publicint getPageSize(){ |
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return pageSize; 7<V(lX.{
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publicvoid setPageSize(int pageSize){ {s} @$rW
this.pageSize = pageSize; wy5vn?T@
} t.m65
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publicint getTotalCount(){ * iW>i^
return totalCount; zR2'xE*
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publicvoid setTotalCount(int totalCount){ (,eH*/~/
if(totalCount > 0){ mjbr}9
this.totalCount = totalCount; 2F(zHa
int count = totalCount / g+gHIb7{
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pageSize; 0eY$K7
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if(totalCount % pageSize > 0) ~ g$Pb[V
count++; O@jW&-;
indexes = newint[count]; JFVal#
for(int i = 0; i < count; i++){ T69'ta32V
indexes = pageSize * HVzG }r(J
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} y?W8FL
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