Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 XO8 H]
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 9\W5
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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 sOrY^cY;
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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 t9=|* =;9)
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分页支持类: !:!@dC%8_
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java代码: LRLhS<9
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package com.javaeye.common.util; )H=[NB6J8
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import java.util.List; dBi3ZCAF
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publicclass PaginationSupport { /Va&k4
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publicfinalstaticint PAGESIZE = 30; J6?_?XzToT
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privateint pageSize = PAGESIZE; d$G%F $BTs
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privateList items; O(WMTa'%
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privateint totalCount; z2EI"'4\9
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privateint[] indexes = newint[0]; 5{x[EXE'
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privateint startIndex = 0; Y9c9/_CSj
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public PaginationSupport(List items, int k)4lX|}Vm
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totalCount){ p%YvP
setPageSize(PAGESIZE); }E\+e!'!2
setTotalCount(totalCount); 5qAE9G!c
setItems(items); 2H32wpY
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setStartIndex(0); 9FR1Bruf
} +'6ea+$
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public PaginationSupport(List items, int ZkVvL4yIK
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totalCount, int startIndex){ sn T4X
setPageSize(PAGESIZE); ]ge^J3az$u
setTotalCount(totalCount); :_[cT,3
setItems(items); V
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setStartIndex(startIndex); 5a/
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} AFF>r#e
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public PaginationSupport(List items, int EKJc)|8
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totalCount, int pageSize, int startIndex){ VL,?91qwe
setPageSize(pageSize); nr9#3Lb
setTotalCount(totalCount); ObHz+qRG
setItems(items); = ,E(!Sp
setStartIndex(startIndex); _xZb;PbFE
} :?of./Df|
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publicList getItems(){ w<^2h}5
return items; %:8q7PN|
} n;T
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publicvoid setItems(List items){ UBk
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this.items = items; U3R`mHr0
} :|6D@
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publicint getPageSize(){ dUVTQ18F
return pageSize; j$ i8@]
} HFCFEamBMP
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publicvoid setPageSize(int pageSize){ 6'lT`E|
this.pageSize = pageSize; 5'L}LT8p@
} g7q]Vj
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publicint getTotalCount(){ U JRT4>G
return totalCount; _ .
} |Bt x&'m
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publicvoid setTotalCount(int totalCount){ U~`^Y8UF
if(totalCount > 0){ w5JC 2
this.totalCount = totalCount; gJcL{]
int count = totalCount / O5n]4)<
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pageSize; lSsFI30
if(totalCount % pageSize > 0) \kRJUX!s
count++; TKutO0
indexes = newint[count]; E$zq8-p|
for(int i = 0; i < count; i++){ {(:)
indexes = pageSize * .`8,$"`4)
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} ^*~u4app
}else{ t;PnjCD<`
this.totalCount = 0; o_+Qer=O6
} H"
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