Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 I |<+'G
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 PxP?hk
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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 N1s$3Ul
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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 c5B_WqjJ
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分页支持类: 9?g]qy,1)
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java代码: -_{C+Y_
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package com.javaeye.common.util; h87L8qh9
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import java.util.List; OU)p)Y_z
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publicclass PaginationSupport { {x&jh|f`g
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publicfinalstaticint PAGESIZE = 30; 7G>0,'XC
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privateint pageSize = PAGESIZE; ArmL,
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privateList items; +%Bf
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privateint totalCount; ?G>5 D`V
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privateint[] indexes = newint[0]; Kc9mI>u H
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privateint startIndex = 0; WnJLX ^;
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public PaginationSupport(List items, int #)PGQ)(
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totalCount){ VH7iH|eW
setPageSize(PAGESIZE); W3o}.|]
setTotalCount(totalCount); S,"ChR
setItems(items); OO !S
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setStartIndex(0); S\v&{
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public PaginationSupport(List items, int j6R{
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totalCount, int startIndex){ t7!>5e)C}
setPageSize(PAGESIZE); t5jhpPVf
setTotalCount(totalCount); ,3@15j
setItems(items); :E >n)_^
setStartIndex(startIndex); 7>2j=Y_Kp
} S"KTL *9D
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public PaginationSupport(List items, int d'AviW>
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totalCount, int pageSize, int startIndex){ /_k hFw
setPageSize(pageSize); ,],JI|Rl8c
setTotalCount(totalCount); UwL"%0u
setItems(items); jzJ1+/9
setStartIndex(startIndex); L
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} e\
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publicList getItems(){ O 44IH`SI
return items; e}Af"LI
} vZ nO
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publicvoid setItems(List items){ <E}]t,'3
this.items = items; '9p5UC
} mk`cyN>m
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publicint getPageSize(){ !iitx U
return pageSize; bF Y)o Z
} kkE)zF
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publicvoid setPageSize(int pageSize){ bhm~Ii
this.pageSize = pageSize; $jeDVH
} :7DVc&0
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publicint getTotalCount(){ xwH|ryfs,Z
return totalCount; 6dS1\Y
} ZnhuIAAG
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publicvoid setTotalCount(int totalCount){ oIL+@}u7
if(totalCount > 0){ qiKtR
this.totalCount = totalCount; 5.K$
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int count = totalCount / ETWmeMN
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pageSize; a4a[pX,5
if(totalCount % pageSize > 0) a@=36gx)
count++; : {N3o:
indexes = newint[count]; DHumBnQ
for(int i = 0; i < count; i++){ !,JT91
indexes = pageSize * /DG`Hg
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} |7Xpb
}else{ u FYQ^
this.totalCount = 0; 7E75s)KH
} !qGx(D{\
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publicint[] getIndexes(){ vzrD"
return indexes; q(ET)xCeD
} pffw5Tc
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publicvoid setIndexes(int[] indexes){ MoR-8vnJ
this.indexes = indexes; _M]rH<h
} f_P+qm
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publicint getStartIndex(){ @~U6=(+
return startIndex; ]Y:
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publicvoid setStartIndex(int startIndex){ >RqT7n8h
if(totalCount <= 0) y:[VRLo
this.startIndex = 0; I^\bS
elseif(startIndex >= totalCount) bb:|1D
this.startIndex = indexes `J,~hK
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