Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 @$@mqHI}
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 vlWw3>4
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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 B)SLG]72f
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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 "kW!{n
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分页支持类: zri}
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java代码: B\`Aojw"E?
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package com.javaeye.common.util; "
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import java.util.List; ]hw-Bu\{
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publicclass PaginationSupport { YhKZ|@
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publicfinalstaticint PAGESIZE = 30; MLVB^<qkeH
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privateint pageSize = PAGESIZE; jh ez
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privateList items; N"5fmY<
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privateint totalCount; VkmRh,T
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privateint[] indexes = newint[0]; J@"utY6N
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privateint startIndex = 0; 'w/qcD-
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public PaginationSupport(List items, int 0Dv JZ|e
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totalCount){ P8yIegPY
setPageSize(PAGESIZE); nn~YK
setTotalCount(totalCount); C"<s/h
setItems(items); TvhJVVQ+?
setStartIndex(0); N0TeqOi4Y
} Iq5pAHm>M6
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public PaginationSupport(List items, int 6Y*;{\Rd
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totalCount, int startIndex){ Va<HU:<
setPageSize(PAGESIZE); jRZ%}KX
setTotalCount(totalCount); )6oGF>o>
setItems(items); 5a`%)K
setStartIndex(startIndex); |WQ9a' '
} 6.Ie\5-a;
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public PaginationSupport(List items, int [uuj?Rbd
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totalCount, int pageSize, int startIndex){ |WqOk~)[Z3
setPageSize(pageSize); *dE^-dm#
setTotalCount(totalCount); ?H|T&66
setItems(items); Ggm` ~fS
setStartIndex(startIndex); -$8.3\6h
} XJ\hd,R
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publicList getItems(){ xh9qg0d
return items; %|Qw9sbd
} rs8\)\z
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publicvoid setItems(List items){ %HuyK
this.items = items; f4t.f*#
} l[h'6+o
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publicint getPageSize(){ pK_?}~
return pageSize; 9(1rh9`=
} #*$p-I=
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publicvoid setPageSize(int pageSize){ J\co1kO9/
this.pageSize = pageSize; n@>wwp
} f[~1<;|-
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publicint getTotalCount(){ lJ
return totalCount; HOW7cV'X
} o
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publicvoid setTotalCount(int totalCount){ 6vs3O
if(totalCount > 0){ Utl
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this.totalCount = totalCount; loOOmHhJ&
int count = totalCount / P_4DGW
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pageSize; 19u =W(
if(totalCount % pageSize > 0) _9If/RD
count++; j'rS&BIG
indexes = newint[count]; m2bDHQ+
for(int i = 0; i < count; i++){ ur%$aX)
indexes = pageSize * y;`eDS'0.N
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} p]|LV)R n
}else{ JJk#,AP
this.totalCount = 0; a:!uORQby
} pa/9F[
} /XpSe<3
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publicint[] getIndexes(){ d,#.E@Po
return indexes; GrI&?=S^
} c. K =(y*
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publicvoid setIndexes(int[] indexes){ W4(?HTWZ
this.indexes = indexes; )m#']c:rg
} ?[1SiJT
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publicint getStartIndex(){ 3(_!`0#F%
return startIndex; )iE"Tl
} BSUPS+@+
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publicvoid setStartIndex(int startIndex){ '1+.t$"/tU
if(totalCount <= 0) "Ai6<