Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 6iezLG5
@)YY\l#
detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 &R-H"kK?
h5%|meZQb
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 .5HQ
<!^
[~`
自于Quake Wang的javaeye-core包的相应类,然后又做了很多修改 '{?C{MK3Q
y7u^zH6wj
。 >R^@Ww;|q
MLVB^<qkeH
分页支持类: j#A%q"]8
US&B!Q:v
java代码: 5CYo7mJ6+
JHV)ZOO
&M&{yc*%
package com.javaeye.common.util; A]`:VC=IU
j}HFs0<L
import java.util.List; <_S@6?
MEZ{j%-a
publicclass PaginationSupport { KJhN J
XH 4d<?qu
publicfinalstaticint PAGESIZE = 30; &&8'0.M{
M7}Q=q\9
privateint pageSize = PAGESIZE; X!,@j\L
P~C rtTss
privateList items; pJpNO$$w
Gy29MUF
privateint totalCount; !R{R??
n[+'OU[
privateint[] indexes = newint[0]; $ACx*e%
oW}!vf3z
privateint startIndex = 0; T`YwJ6N
]TpU"JD
public PaginationSupport(List items, int U\<-mXv
T3J'fjY
totalCount){ C9tb \?#
setPageSize(PAGESIZE); @|-OJ4[5
setTotalCount(totalCount); Qc-(*}
setItems(items); E$\~lcq
setStartIndex(0); 8^ep/ b&|
} lvSdY(8
*MM#Z?mP
public PaginationSupport(List items, int >=,uau7
F#r#}.B='U
totalCount, int startIndex){ X~U >LLr
setPageSize(PAGESIZE); `x8Bn"
setTotalCount(totalCount); 8QgA@y"
setItems(items); xh9qg0d
setStartIndex(startIndex); I+?hG6NM
} rs8\)\z
B&KL2&Z~Pq
public PaginationSupport(List items, int {ShgJ;! Q
mB 55PYA
totalCount, int pageSize, int startIndex){ 3Kq`<B~%
setPageSize(pageSize); \ {|ImCH
setTotalCount(totalCount); x-m/SI]_N
setItems(items); _2Py\+$
setStartIndex(startIndex); OKue" p
} sRRI3y@
|H)cuZ
publicList getItems(){ _GaJXWMbk
return items; +c,[ Q
} ETw]!
br
t%0?N<9YkU
publicvoid setItems(List items){ I*)VZW
this.items = items; >9K//co"of
} n]? WCG}cd
0&w0aP`Y
publicint getPageSize(){ }p3b#fAr
return pageSize; rzLd"`
} gSi5u#}J
HMQI&Lh=U
publicvoid setPageSize(int pageSize){ ZW4aY}~)$
this.pageSize = pageSize; mf$j03tu
} YcM;S
+&v\
/
publicint getTotalCount(){ 0{rx.C7|
return totalCount; h SV@TL
} W
Ox_y,
a+z2Zd!u\x
publicvoid setTotalCount(int totalCount){ tai Vk4
if(totalCount > 0){ 2:^njqX
this.totalCount = totalCount; ? Nj)6_&
int count = totalCount / !p.^ITM3S
L:f)i,S"5q
pageSize; mV\$q@sII
if(totalCount % pageSize > 0) e-6w8*!i
count++; #6> 6S;Ib
indexes = newint[count]; FvImX
for(int i = 0; i < count; i++){ W4(?HTWZ
indexes = pageSize * C8b''9t.
?[1SiJT
i; +oy*Kxs7
} ;Rnhe_A.
}else{ QApyP CH
this.totalCount = 0; LsTffIP
} EQ
>t[ &
} '1+.t$"/tU
"Ai6<