Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 u(Y! _
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 \e=Iw"yd
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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 zm&D#)
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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 WRq:xDRn0
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分页支持类: :75$e%'A
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java代码: 7lC );
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package com.javaeye.common.util; ="k9
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import java.util.List; go6XUe
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publicclass PaginationSupport { zKY 9'y
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publicfinalstaticint PAGESIZE = 30; y4V~fg;
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privateint pageSize = PAGESIZE; q{fgsc8v\
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privateList items; _F2R
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privateint totalCount; Y<x;-8)*
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privateint[] indexes = newint[0]; K4r"Q*h
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privateint startIndex = 0; k\ 2.\Lwb
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public PaginationSupport(List items, int !LG 5q/}&
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totalCount){ d*Wg>8|
setPageSize(PAGESIZE); H*gX90{!2
setTotalCount(totalCount); |8|_^`
setItems(items); ||}k99y +
setStartIndex(0); 5t,W'a_
} +1te 8P*
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public PaginationSupport(List items, int jMpV c
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totalCount, int startIndex){ LU7ia[T
setPageSize(PAGESIZE); \8KAK3i'
setTotalCount(totalCount); + YjK#
setItems(items); ;cFlZGw
setStartIndex(startIndex); *ommU(r8
} 2b[R^O}
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public PaginationSupport(List items, int #835$vOe
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totalCount, int pageSize, int startIndex){ %u)niY-g
setPageSize(pageSize); cnm*&1EzV
setTotalCount(totalCount); Y]9AC
setItems(items); e
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setStartIndex(startIndex); Fm| h3.`V
} q
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publicList getItems(){ ]"*sp
return items; "1-gMob
} (]Pr[xB
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publicvoid setItems(List items){ lCX*Q{s22
this.items = items; )zKZ<;#y
} 4P>4d +
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publicint getPageSize(){ 'X$J+s}6&
return pageSize; si!jB%^
} Qw,{"J
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publicvoid setPageSize(int pageSize){ qubyZ8hx
this.pageSize = pageSize; S5,y!K]C~
} <
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publicint getTotalCount(){ k;fy8
return totalCount; ~+HZQv3Y
} 5C G
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publicvoid setTotalCount(int totalCount){ 3SeM:OYq]s
if(totalCount > 0){ dw"Tv~
this.totalCount = totalCount; I?z*.yA*
int count = totalCount / GY3g`M
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pageSize; o)M=; !
if(totalCount % pageSize > 0) /`2t$71)
count++; g.V{CJ*V
indexes = newint[count]; TA~FP#.
for(int i = 0; i < count; i++){ .*x |TPv{
indexes = pageSize * ^@4$O|3Wh'
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} m|c5X)}-
}else{ Cb1fTl%
this.totalCount = 0; ^&Re-{ES]
} Wifr%&t{J
} 2H]~X9,z2
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publicint[] getIndexes(){ fl4z'8P"(
return indexes; ij|+MX
} 0o>l+c
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publicvoid setIndexes(int[] indexes){ Vt[Kr
this.indexes = indexes; $ lC*q
} H;=JqD8`
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publicint getStartIndex(){ oA;> z
return startIndex; &y~~Z [.F,
} &l