Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 ;`bJgSCfo
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 Dc>)j s|"
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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 a-TsD}'X
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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 Q;$/&Y*
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分页支持类: UE\@7
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java代码: >BQF<
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package com.javaeye.common.util; DPtyCgH
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import java.util.List; s?K4::@Fv
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publicclass PaginationSupport { 5p{tt;9[
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publicfinalstaticint PAGESIZE = 30; $t</{]iX
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privateint pageSize = PAGESIZE; 2|w.A!
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privateList items; 7!N5uR
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privateint totalCount; g9"_ BG
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privateint[] indexes = newint[0]; 9'8oOBqm3%
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privateint startIndex = 0; E.% F/mM
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public PaginationSupport(List items, int :U[_V4?7
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totalCount){ ;%z0iZmg
setPageSize(PAGESIZE); ^9b
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setTotalCount(totalCount); L,4^Of
setItems(items); R+JI?/H
setStartIndex(0); x?<5=,
} j1iC1=`ZM
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public PaginationSupport(List items, int /tv;W
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totalCount, int startIndex){ yRi/YR#
setPageSize(PAGESIZE); # nYGKZ
setTotalCount(totalCount); YV940A-n
setItems(items); K+$c,1wb
setStartIndex(startIndex); t@ JPnA7~
} ~D=@4(f8|
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public PaginationSupport(List items, int yEqmB4^-
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totalCount, int pageSize, int startIndex){ V=*J9~K
setPageSize(pageSize); }Voh5*$E`
setTotalCount(totalCount); <d5vVn
setItems(items); I!<v$
setStartIndex(startIndex); Qy/bzO
} G-(c+6Mn
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publicList getItems(){ :d2u? +F
return items; t(rU6miN
} G-^ccdT
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publicvoid setItems(List items){ yl 8v&e{
this.items = items; 4F4u1r+
} .M{[J]H`t
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publicint getPageSize(){ U?lu@5 ^Z
return pageSize; O]g+z$2o
} -9*WQU9R
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publicvoid setPageSize(int pageSize){ !Cy2>6v7
this.pageSize = pageSize; D5m\u$~V
} VfcQibm
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publicint getTotalCount(){ D)sEAfvX
return totalCount; G!;[If:<e
} u.=;A#
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publicvoid setTotalCount(int totalCount){ ed*AU,^@v
if(totalCount > 0){ X[~CLKH(
this.totalCount = totalCount; UQcmHZ+lf
int count = totalCount / ?.4l1X6Ba
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pageSize; Xh/av[Q
if(totalCount % pageSize > 0) ~=mM/@HD
count++; feW9>f;
indexes = newint[count]; E\S&} K,s
for(int i = 0; i < count; i++){ `j![
indexes = pageSize * r?I(me,
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} U}0/V
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