Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 uN6xOq/
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 aWb5w
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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 fw0Z- 9*
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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 N}q*(r!q<
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分页支持类: sJ|IW0Mr
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java代码:
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package com.javaeye.common.util; CxVrnb[`q
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import java.util.List; /
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publicclass PaginationSupport { h3;RVtS
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publicfinalstaticint PAGESIZE = 30; OoR0>!x Z
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privateint pageSize = PAGESIZE; %`:+A?zL
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privateList items; IFWP&20
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privateint totalCount; %$F\o1S
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privateint[] indexes = newint[0]; V_pKe~
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privateint startIndex = 0; LU@+ O12
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public PaginationSupport(List items, int &qZ:"k
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totalCount){ ,YmTx
setPageSize(PAGESIZE); )X-TJ+d
setTotalCount(totalCount); mOx>p"n
setItems(items); ~
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setStartIndex(0); +6x:+9S
} ^os|yRzV*M
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public PaginationSupport(List items, int +#ANc;2g
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totalCount, int startIndex){ LzkwgcR
setPageSize(PAGESIZE); [T#9#3
setTotalCount(totalCount); NGb\e5?
setItems(items); _xU2C<)1&
setStartIndex(startIndex); WG3 .qLH%
} g
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public PaginationSupport(List items, int WK 6|e[iP
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totalCount, int pageSize, int startIndex){ ?:sQ]S/Er
setPageSize(pageSize); I`EgR?5 `
setTotalCount(totalCount); ]}dAm S/
setItems(items); NeY,Of|
setStartIndex(startIndex); woR }=\K
} T13Jn o
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publicList getItems(){ B!z5P"C(~
return items; }4"T#
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} F#XzhDs
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publicvoid setItems(List items){
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this.items = items; I;Bci m;
} OAtn.LU
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publicint getPageSize(){ 8p~G)J3U
return pageSize; D[}qhDlX
} VcR(9~
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publicvoid setPageSize(int pageSize){ *1
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this.pageSize = pageSize; BA|*V[HBE
} `1"Xj ^
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publicint getTotalCount(){ +46?+kKt
return totalCount; 3L(vZ2&
} z8hAZ?r1`
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publicvoid setTotalCount(int totalCount){ ;]Bkw6o
if(totalCount > 0){ `@|Kx\y4=j
this.totalCount = totalCount; ?AJE*=b
int count = totalCount / 0^rDf
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pageSize; "#a,R^J
if(totalCount % pageSize > 0) DnW*q/=w
count++; _m|Tr*i8
indexes = newint[count]; l@ W?qw
for(int i = 0; i < count; i++){ @.h|T)Zyr
indexes = pageSize * )s4a<Sc]
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} }~`l!ApD
}else{ j-j,0!T~b
this.totalCount = 0; )YP9
} "kT?9&