Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 RIJ+]uir4
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 :~3sW< PR
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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 2+M(!FHfy
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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 R/R[r> 1)6
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分页支持类: ol^V@3[<
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java代码: $)\%i =
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package com.javaeye.common.util; s\_-` [B0
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import java.util.List; tQ_;UQlX
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publicclass PaginationSupport { IzF7W?k
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publicfinalstaticint PAGESIZE = 30; H_sLviYLu
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privateint pageSize = PAGESIZE; qUA&XUJ
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privateList items; q{@j$fMt0
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privateint totalCount; dRTtDH"%
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privateint[] indexes = newint[0]; "5C)gxI^
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privateint startIndex = 0; q4@n
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public PaginationSupport(List items, int e.hHpjWi?Z
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setPageSize(PAGESIZE); "(5A5>
setTotalCount(totalCount); xfCq;?MupW
setItems(items); RE Dh`Wd
setStartIndex(0); Ay;=1g)8+f
} p)vyZY[
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public PaginationSupport(List items, int Iz,a
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totalCount, int startIndex){ !31v@v:)
setPageSize(PAGESIZE); H>AQlO+ J
setTotalCount(totalCount); CT+pkNC
setItems(items); jJdw\`
setStartIndex(startIndex); 7].tt
} a97A{7I&
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public PaginationSupport(List items, int
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totalCount, int pageSize, int startIndex){ 2#~5[PtP^
setPageSize(pageSize); z #c)Q
setTotalCount(totalCount); x!fvSoHp
setItems(items); KywDp 37^
setStartIndex(startIndex); " NnUu8x
} H8.U#%
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publicList getItems(){ b<};"H0a
return items; w]X~I/6g
} TV\21
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publicvoid setItems(List items){ ; S7
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this.items = items; Uq `B#JI
} -'3~Y
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publicint getPageSize(){ Q+'mBi}
return pageSize; +!Q <gWb
} ))V)]+
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publicvoid setPageSize(int pageSize){ GqBZWmAB
this.pageSize = pageSize; j:B?0~=
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publicint getTotalCount(){ uoR_/vol8
return totalCount; ?.~E:8
}
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publicvoid setTotalCount(int totalCount){ CM?dB$AwX
if(totalCount > 0){ J[2c[|[-
this.totalCount = totalCount; 6,*hzyy}Qu
int count = totalCount / 4<fKB&