Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 014p = W
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 Q@M>DA!d^V
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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 \\<waU''
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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 irqNnnMGEa
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分页支持类: hqEnD
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java代码: RPb/U8
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package com.javaeye.common.util; ho5mH{"OV
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import java.util.List; axf 4N@
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publicclass PaginationSupport { {Ac5(li_
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publicfinalstaticint PAGESIZE = 30; :o!bz>T
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privateint pageSize = PAGESIZE; ([Gb]0
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privateList items; A6?+$ Hr
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privateint totalCount; SV-M8Im73z
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privateint[] indexes = newint[0]; 1M%'Xe7
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privateint startIndex = 0; XYBvM]
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public PaginationSupport(List items, int -ahSFBZlg
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totalCount){ -2)6QKh~D
setPageSize(PAGESIZE); !/1aot^(
setTotalCount(totalCount); *'b3Z3c,;
setItems(items); &&(^;+
setStartIndex(0); v]"W.<B,
} _?9|0>]xG
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public PaginationSupport(List items, int #>I*c_-
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totalCount, int startIndex){ vDGAC'
setPageSize(PAGESIZE); <W,M?r+
setTotalCount(totalCount); 3~Qvp )~
setItems(items); B@v\tpR
setStartIndex(startIndex); {'.[N79xP
} `WjRb
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public PaginationSupport(List items, int x,f=J4yco
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totalCount, int pageSize, int startIndex){ <!+T#)Qi
setPageSize(pageSize); 03]
setTotalCount(totalCount); L4fM?{Ic:s
setItems(items); 8T:?C~"
setStartIndex(startIndex); x.=Np\#\G-
} `s0`kp
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publicList getItems(){ \Lp|S:u
return items; 3LxhQVx2
}
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publicvoid setItems(List items){ Z6.0X{6nA
this.items = items; .?16w`Y
} X:aLed_{f
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publicint getPageSize(){ m|:O:<
return pageSize; ;WF3w
} qDMVZb-(#
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publicvoid setPageSize(int pageSize){ utH,pGs C.
this.pageSize = pageSize; Y[(U~l,a+
} hJkP_(+J\
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publicint getTotalCount(){ C}i1)
return totalCount; 0QWc1L
} ~1_v;LhH5+
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publicvoid setTotalCount(int totalCount){ Dz<"eyB\
if(totalCount > 0){ ;y"=3-=vM"
this.totalCount = totalCount; q_5hKipd\b
int count = totalCount / hKG)*
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pageSize; mes/gqrJ1I
if(totalCount % pageSize > 0) V30Om3C
count++; w=dTa5
indexes = newint[count]; ,YEwz3$5u
for(int i = 0; i < count; i++){ 2j9+ f{ l
indexes = pageSize * S<
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} 7GY3_`
}else{ Ne 2tfiI`
this.totalCount = 0; Thlqe?
} N ,8^AUJ3&
} _LVi}mM
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publicint[] getIndexes(){ bgi
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return indexes; 6RA4@bIG
} Ys+2/>!
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publicvoid setIndexes(int[] indexes){ RM5$O+"
this.indexes = indexes; IB'gY0*
} |a>W9Y m
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publicint getStartIndex(){ '@jP$6T&
return startIndex; D-v}@tS'
} M,uQ8SZA[
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publicvoid setStartIndex(int startIndex){ d*M:PjG@
if(totalCount <= 0) C(4r>TNm
this.startIndex = 0; C0RnBu
elseif(startIndex >= totalCount) oqXs2F
this.startIndex = indexes ^]{)gk8P~2
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