Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 udDhJ?
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 lvIKL!;H
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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 mxhO:.l
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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 @kUCc1LT
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分页支持类: SIjdwr!+ZZ
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java代码: E)m{m$Hb
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package com.javaeye.common.util; *z`_U]tP
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import java.util.List; $
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publicclass PaginationSupport { 3qPj+@
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publicfinalstaticint PAGESIZE = 30; m]BxGwT=m
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privateint pageSize = PAGESIZE; 3(':4Tas
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privateList items; .oYUA}
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privateint totalCount; rG1l:Z)
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privateint[] indexes = newint[0]; (7q!Z!2
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privateint startIndex = 0; FyX\S=
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public PaginationSupport(List items, int ~`c?&YixU
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totalCount){ <<gk<_7`
setPageSize(PAGESIZE); YYHtd,0\+
setTotalCount(totalCount); ;1&%Wj"d
setItems(items); CN@bJo2
setStartIndex(0); M ()&GlNs
} cj@Ygc)n
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public PaginationSupport(List items, int 9D++SU2:}
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totalCount, int startIndex){ Eym<DPu$n
setPageSize(PAGESIZE); hm >JBc:n-
setTotalCount(totalCount); 6+(g4MW
setItems(items); ,qV8(`y_
setStartIndex(startIndex); +M! f}=H
} pi:%Bd&F
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public PaginationSupport(List items, int ^AK<]r<?L?
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totalCount, int pageSize, int startIndex){ .t''(0_kC
setPageSize(pageSize); `;4P?!WG
setTotalCount(totalCount); Ro$'|}(+A
setItems(items); K O "U5v
setStartIndex(startIndex); =4uL1[0'
} Mib(J+Il
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publicList getItems(){ '9%72yG
return items; U7O~ch[,
} Bs(\e^}
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publicvoid setItems(List items){ 6U6,Wu
this.items = items; eWSA
} "l
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publicint getPageSize(){ }z1aKa9
return pageSize; Y&KI/]ly,L
} 3JM0 m (
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publicvoid setPageSize(int pageSize){ 6= s!~
this.pageSize = pageSize; ]#;;)K}>
} Esvr~)Y
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publicint getTotalCount(){ #L5H-6nz
return totalCount; yKF"\^`@
} Yo3my>N&g
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publicvoid setTotalCount(int totalCount){ z[X>>P3<n
if(totalCount > 0){ Ecp]fUQK
this.totalCount = totalCount; ]3]I`e{
int count = totalCount / +<7~yZ[Z8
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pageSize; #4iSQ$0
if(totalCount % pageSize > 0) ^JZ ]?iny
count++; e/JbRbZX
indexes = newint[count]; 5xe}ljo
for(int i = 0; i < count; i++){ &?flH;
indexes = pageSize * 3ha^NjE
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