Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 ,:v&4x&=
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 p4X{"Z\mn
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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 1M%S
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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 W^g[L:s
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分页支持类: fW0$s`
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java代码: 83]PA<R
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package com.javaeye.common.util; qFRdg V>8
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import java.util.List; y@vj;3:
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publicclass PaginationSupport { &hZwZgV+3
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publicfinalstaticint PAGESIZE = 30; <"&'>?8j
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privateint pageSize = PAGESIZE; oJ;rc{n-
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privateList items; Z/ bB
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privateint totalCount; V+B71\x<
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privateint[] indexes = newint[0]; )ctr"&-
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privateint startIndex = 0; %l9$a`&
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public PaginationSupport(List items, int ZykrQ\q9
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totalCount){ EZr6oO@Nc
setPageSize(PAGESIZE); )Id2GV~2B
setTotalCount(totalCount); E)YVfM
setItems(items); !G=>ve
setStartIndex(0); o<VP'F{p
} !Rw&DFU
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public PaginationSupport(List items, int 6* rcR]
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totalCount, int startIndex){ delf
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setPageSize(PAGESIZE); r4knN
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setTotalCount(totalCount); f{Q p
setItems(items); p!"(s/=
setStartIndex(startIndex); 9R]](g#
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public PaginationSupport(List items, int o'UHStk
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totalCount, int pageSize, int startIndex){ Y)p4]>lT+8
setPageSize(pageSize); Gbb\h
setTotalCount(totalCount); INNAYQ
setItems(items); l)@:T|)c
setStartIndex(startIndex); lmFA&s"m
} F1u)i
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publicList getItems(){ Gt^d;7x]
return items; pt!'v$G/*
} 3IyZunFT
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publicvoid setItems(List items){ pC^[ [5A
this.items = items; >[3X]n,0
} uW[3G
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publicint getPageSize(){ #EwK"S~
return pageSize; nxRwWj57
} 8M93cyX
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publicvoid setPageSize(int pageSize){ ,/o(|sks
this.pageSize = pageSize; /t{=8v~
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publicint getTotalCount(){ @l>Xnqx)
return totalCount; 8R/
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publicvoid setTotalCount(int totalCount){ vgk9b!Xd
if(totalCount > 0){ Vipp /WV
this.totalCount = totalCount; ~%P3Pp
int count = totalCount / e[4V%h
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pageSize; C_-E4I
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if(totalCount % pageSize > 0) gM, &Spn
count++; P6HGs?
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indexes = newint[count]; "L_-}BK
for(int i = 0; i < count; i++){ "?H+
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indexes = pageSize * Ar`\ N1a
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} Yw^ Gti'<
}else{ 3]S`|#J
this.totalCount = 0;
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} r<_2qICgP
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publicint[] getIndexes(){ csvOg[
return indexes; 1ZNNsB
} E\!n49
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publicvoid setIndexes(int[] indexes){ ewQe/Fq
this.indexes = indexes; k`@w(HhS
} pzSqbgfrQ
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publicint getStartIndex(){ 1*c>I@I;
return startIndex; h#O"Q+J9n
} )k~1,
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publicvoid setStartIndex(int startIndex){ '>]&r