Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 un&Z'
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 >u-6,[(5X*
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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 P3W<a4 ==
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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 l%f&vOcd
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分页支持类: %k"qpu
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java代码: rw|;?a0
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package com.javaeye.common.util; TwaK>t96[
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import java.util.List; `Z'h[-2`
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publicclass PaginationSupport { H[x$65ND
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publicfinalstaticint PAGESIZE = 30; 6Hh\ys
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privateint pageSize = PAGESIZE; Q4[^JQsR2
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privateList items; H}p5qW.tH:
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privateint totalCount; $;V?xZm[
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privateint[] indexes = newint[0]; fPA5]a9
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privateint startIndex = 0; y$Y*%D^w
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public PaginationSupport(List items, int "R!)"B==
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totalCount){ -aV!ZODt
setPageSize(PAGESIZE); A><q-`bw
setTotalCount(totalCount); l$\OSG
setItems(items); zZhA]J
setStartIndex(0); c97?+Y^
} Hd8 O3_5
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public PaginationSupport(List items, int 2BGS$$pP
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totalCount, int startIndex){ )o;oOPT!
setPageSize(PAGESIZE); `zw^ WbCO{
setTotalCount(totalCount); X%sMna)
setItems(items); 6!;eJYj,
setStartIndex(startIndex); *URBx"5XZ
} l`wF;W!
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public PaginationSupport(List items, int 5Xr<~xr
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totalCount, int pageSize, int startIndex){ A#@9|3
setPageSize(pageSize); !,0%ZG}]7
setTotalCount(totalCount); q\r@x-&g+
setItems(items); qx;8Hq(E[
setStartIndex(startIndex); |u@/,x/t
} ->rr4xaK C
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publicList getItems(){ ..=WG@>$+
return items; *i)3q+%.
} Af`qe+0E
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publicvoid setItems(List items){ c2o.H!>
this.items = items; -yJ%G1R
} %p(!7FDE2n
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publicint getPageSize(){ s{:l yp
return pageSize; tEbR/?,GI
} ~TvKMW6/#
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publicvoid setPageSize(int pageSize){ &$V&gAN
this.pageSize = pageSize; ;J&p17~T9
} |Vj@;+/j
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publicint getTotalCount(){ dW4FMm>|
return totalCount; p "Cxe
} R?E< }\!
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publicvoid setTotalCount(int totalCount){ }QzF.![~z
if(totalCount > 0){ Q/2(qD; u
this.totalCount = totalCount; -KA Y
int count = totalCount / "pa2,-&
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pageSize; 1I#]OY#>
if(totalCount % pageSize > 0) 0g{`Qd
count++; m5'nqy F
indexes = newint[count]; .I#ss66h
for(int i = 0; i < count; i++){ {Y7dE?!`7
indexes = pageSize * +~{Honj[
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} 9!u&8#i
}else{ gT&s &0_7
this.totalCount = 0;
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} ,Qb(uirl]
} B_3:.1>"BM
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publicint[] getIndexes(){ 9[@K4&