Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 tWa_-Un3
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根
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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 &? z6f9*$
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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 2`nOYK
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分页支持类: G21cJi*
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java代码: c~v(bK
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package com.javaeye.common.util; yQdoy^d/4
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import java.util.List; U`)o$4Bq
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publicclass PaginationSupport { 99u9L)
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publicfinalstaticint PAGESIZE = 30; 'J(B{B7|
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privateint pageSize = PAGESIZE; 09w<@#
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privateList items; N3?@CM^hHw
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privateint totalCount; m\;@~o'k
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privateint[] indexes = newint[0]; WN9K*Tt~o&
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privateint startIndex = 0; | x/Z
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public PaginationSupport(List items, int THf*<|
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totalCount){ /qObXI
setPageSize(PAGESIZE); } 0x'm
setTotalCount(totalCount); 0PT\/imgN
setItems(items); _'"$,~ZWY
setStartIndex(0); pqnZ:'V
} ;nZN}&m
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public PaginationSupport(List items, int (vb8Mk
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totalCount, int startIndex){ VtzX I2.2
setPageSize(PAGESIZE); 4pC.mRu
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setTotalCount(totalCount); >Z&Y!w'A|u
setItems(items); *\T
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setStartIndex(startIndex); 1Aw/-FxJ
} #azD&6`
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public PaginationSupport(List items, int w//L2.
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totalCount, int pageSize, int startIndex){ iES?}K/q
setPageSize(pageSize); iU9> qJ]
setTotalCount(totalCount); GEQ3r'B|
setItems(items); 0
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setStartIndex(startIndex); e
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publicList getItems(){ N_eZz#);
return items; a^QyYX}\qR
} c0Oc-,6J
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publicvoid setItems(List items){ Jrm 9,7/
this.items = items; X0e#w?
} kZJ.G
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publicint getPageSize(){ g}Esj"7
return pageSize; P8=!/L2?
} l4smAT
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publicvoid setPageSize(int pageSize){ x9s1AzM{
this.pageSize = pageSize; Z+]Uw
} SxWK@)tP
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publicint getTotalCount(){ )MlT=k6S
return totalCount; w0!4@
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publicvoid setTotalCount(int totalCount){ rXG?'jN
if(totalCount > 0){ R0_O/o+{
this.totalCount = totalCount; )[d>?%vfd
int count = totalCount / "l.1 UB&
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pageSize; >4@/x{{
if(totalCount % pageSize > 0) L6E8A?>5rD
count++; dzn[4
indexes = newint[count]; -`<