Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 HYWKx><
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 ?^3Q5ye
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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 _{ f7e^;
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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 {((|IvP`
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分页支持类: J sc`^a%`'
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java代码: HI*j6H?\
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package com.javaeye.common.util; mb_~
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import java.util.List; xXn2M*g
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publicclass PaginationSupport { 6p1)wf.J
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publicfinalstaticint PAGESIZE = 30; dp'xd>m
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privateint pageSize = PAGESIZE; HMrl!;:
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privateList items; :jUu_s}
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privateint totalCount; 6nP-IKL
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privateint[] indexes = newint[0]; *^_ywqp
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privateint startIndex = 0; qp)a`'Pq
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public PaginationSupport(List items, int JC}oc M
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totalCount){ 9Vh> ty1|_
setPageSize(PAGESIZE); pXBlTZf
setTotalCount(totalCount); @}B,l.Tj
setItems(items); i!+Wv-
setStartIndex(0); Sx|)GTJJ|-
} i$bHet
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public PaginationSupport(List items, int b2p;-rv
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totalCount, int startIndex){ 1e(QI)
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setPageSize(PAGESIZE); g (:%E
setTotalCount(totalCount); bL9EX$P
setItems(items); ?!d\c(5Gt
setStartIndex(startIndex); uxsfQ%3`#
} )|SmB YV
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public PaginationSupport(List items, int =i:6&Y~VGq
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totalCount, int pageSize, int startIndex){ tP;^;nw
setPageSize(pageSize); UI}df<Ge
setTotalCount(totalCount); ~|t7
setItems(items); ^N`bA8
setStartIndex(startIndex); ZlxJY%oeu
} JZM:R
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publicList getItems(){ pz]T9ol~
return items; +#IsRiH%>
} V( A p|I:G
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publicvoid setItems(List items){ }jWZqIqj
this.items = items; S85}&\m&4
} dD{{G:V
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publicint getPageSize(){ P.Uz[_&l6
return pageSize; gk.c"$2
} Rz_fNlA
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publicvoid setPageSize(int pageSize){ FPBO=?H.
this.pageSize = pageSize; fZ)M
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} 1tMs\e-
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publicint getTotalCount(){ yu>DVD
return totalCount; Ous_269cM
} Oi~]~+2
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publicvoid setTotalCount(int totalCount){ w?LDaSz\t
if(totalCount > 0){ Rl2*oOVz
this.totalCount = totalCount; a?]"|tQ'
int count = totalCount / 5u=(zg
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pageSize; wh~g{(Xvq
if(totalCount % pageSize > 0) f4Yn=D=_
count++; Q#}
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indexes = newint[count]; Cb5Rr+K=
for(int i = 0; i < count; i++){ C~&~Ano,
indexes = pageSize * wgeR%#DW
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} &1:_+
}else{ 4)i(`/U
this.totalCount = 0; :"pA0oB
} 8LMO2Wyq
} {+&qC\YF
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publicint[] getIndexes(){ H(~:Ajj+zQ
return indexes; ?^<
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} IJ`%Zh{f
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