Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 aR@+Qf
CK|AXz+EN
detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 ^5?|Dj
car|&b
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 p/7'r
]mNsG0r6
自于Quake Wang的javaeye-core包的相应类,然后又做了很多修改 uTJ z"c`F
eLgq
)
。 =(P$P
v_v>gPl,
分页支持类: &
@_PY
X&rsWk
java代码: <4@8T7
N'l2$8
(]&B'1b
package com.javaeye.common.util; Rg46V-"d,@
Ly2!(,FB.
import java.util.List; 9`VY)"rJ
:9x]5;ma
publicclass PaginationSupport { aTvLQ@MQ
2>9..c
publicfinalstaticint PAGESIZE = 30; s?k:X ~m
SfrM|o
privateint pageSize = PAGESIZE; h -091N
8I#^qr5
privateList items; Y,,Z47%
E
hcYqiM@8>
privateint totalCount; d1t_o2
xb9^WvV
privateint[] indexes = newint[0]; 4f~q$Sf]<
lg ,%
privateint startIndex = 0; kVt/Hhd9
<HS{A$]
public PaginationSupport(List items, int MY z!zI
eAjR(\f>
totalCount){ ZZ :*c"b:
setPageSize(PAGESIZE); 0jxXUWO
setTotalCount(totalCount); 1;{nU.If
setItems(items); k
7@:e$7
setStartIndex(0); ~q/~ u
} i|/G!ht^e
/|h+,]<
>
public PaginationSupport(List items, int MU `!sb*
0Ny +NE:6M
totalCount, int startIndex){ )#hR}|
setPageSize(PAGESIZE); @;{ZnRv14
setTotalCount(totalCount); x{So
setItems(items); '0_W<lGB
setStartIndex(startIndex); k$#1T +(G
} [ z/G
Eg2jexl
public PaginationSupport(List items, int z-"P raP
v"%>ms"n
totalCount, int pageSize, int startIndex){ r9b(d]
setPageSize(pageSize); Q[H4l({E
setTotalCount(totalCount); s,/C^E
setItems(items); O ]-8 %
setStartIndex(startIndex); K *1]P ar;
} 4"iI3y~Gw
*r9D+}Y(4
publicList getItems(){ At[SkG}b
return items; 9o P
} a%6=sqxE
FLkZZ\
publicvoid setItems(List items){ )?l7I*
this.items = items; ,qV 7$u
} loBW#>
QC]<`!
publicint getPageSize(){ ]+w 27!
return pageSize; jG}nOI
} %X%f0J
)7P>Hj
publicvoid setPageSize(int pageSize){ i/!KUbt
this.pageSize = pageSize; WHLTJ]OB
} b{x/V 9&|
)/OIzbA3#
publicint getTotalCount(){ [{&OcEf
return totalCount; *] >R
} f/0k,~,*
qAlX#]
publicvoid setTotalCount(int totalCount){ Z3u6m0!
if(totalCount > 0){ A%&lW9z7
this.totalCount = totalCount; ~rXLb:
int count = totalCount / ={6vShG)m
.+u r+"i
pageSize; QMX
if(totalCount % pageSize > 0) #BH]`A J
count++; X_rv}
indexes = newint[count]; j9/iBK\Y
for(int i = 0; i < count; i++){ g@?R"
indexes = pageSize * ]S@DVXH
t)O]0)
s
i; '*&V7:
} wLE|J9t%Ea
}else{ o{hZjn-
this.totalCount = 0; v=&xiw