Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 2mg4*Ys
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 _1TSt%L
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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 4Y2l]86
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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 -b'93_ZTu:
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分页支持类: tu{y
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java代码: f-!t31?XK
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package com.javaeye.common.util; `3GC}u>}
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import java.util.List; .b'hVOs{
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publicclass PaginationSupport { DWT4D)C,U
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publicfinalstaticint PAGESIZE = 30; 2O}UVp>
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privateint pageSize = PAGESIZE; 1xAZ0X#
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privateList items; PO9<g%qTf
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privateint totalCount; qo{2 CYG\+
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privateint[] indexes = newint[0]; u
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privateint startIndex = 0; g!%C_AI
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public PaginationSupport(List items, int rWk4)+Tk
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totalCount){ @ChEkTn
setPageSize(PAGESIZE); d9@!se9&Z
setTotalCount(totalCount); K& /
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setItems(items); DSiI%_[Ud
setStartIndex(0); <tp\+v!u
} =fy~-FN_
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public PaginationSupport(List items, int _c|aRRW
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totalCount, int startIndex){ 0{u31#0j
setPageSize(PAGESIZE); tu(k"'aJ
setTotalCount(totalCount); 4'L%Wz[6
setItems(items); J`F][ A
setStartIndex(startIndex); O%:EPdoU
} 1~X~"M
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public PaginationSupport(List items, int +Ja9p
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totalCount, int pageSize, int startIndex){ 0>PO4WFVJ
setPageSize(pageSize); &Z
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setTotalCount(totalCount); ?Uz7($}
setItems(items); F^Q[P4>m\
setStartIndex(startIndex); \VJ7ahg[\
} f?xc-lX5R
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publicList getItems(){ 49Sq)jd<
return items; G}.t!"
} <3]Qrjl
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publicvoid setItems(List items){ -4:L[.2
this.items = items; 8GC(?#Kb
} ZT@a2:&
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publicint getPageSize(){ VeT\I.K[
return pageSize; 5$SO
} iM'{,~8R5
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publicvoid setPageSize(int pageSize){ TMsEHd
this.pageSize = pageSize; r+X%0@K
} JStT"*4j
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publicint getTotalCount(){ i7^_y3dG
return totalCount; bY6y)l
} 5~WMb6/
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publicvoid setTotalCount(int totalCount){ \W73W_P&g
if(totalCount > 0){ H}KJd5A7
this.totalCount = totalCount; G(piq4D
int count = totalCount / UMe@[E=
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pageSize; Gx75EQ2
if(totalCount % pageSize > 0) jtWI@04o09
count++; w`~j(G4N
indexes = newint[count]; x @EEMO1_"
for(int i = 0; i < count; i++){ Rb_HD
indexes = pageSize * Epm'u[wV
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