Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 9,wd,,ta
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 pi7Fd\A
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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 yk OJhd3
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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 Ht|No
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。 #12
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分页支持类: *X- 6]C
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java代码: H1X3 8
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package com.javaeye.common.util; ^Uss?)jN4
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import java.util.List; S^0Po%d
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publicclass PaginationSupport { 5q?2?j/h
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publicfinalstaticint PAGESIZE = 30; $/^DY&
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privateint pageSize = PAGESIZE; 7pH`"$
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privateList items; FG]xn(E
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privateint totalCount; dU%Q=r8R
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privateint[] indexes = newint[0]; EfHo1Yn&
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privateint startIndex = 0; 1vKc>+9
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public PaginationSupport(List items, int _Kdqa%L
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totalCount){ G q%q x4
setPageSize(PAGESIZE); 3\_ae2GW
setTotalCount(totalCount); T(t@[U2^
setItems(items); kSx^Uu*
setStartIndex(0); 7x`dEi<
} T\7z87Q
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public PaginationSupport(List items, int vf6_oX<Os
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totalCount, int startIndex){ KW.*LoO
setPageSize(PAGESIZE); v5STe`
setTotalCount(totalCount); x Vk|6vA7
setItems(items); wBz?OnD/D
setStartIndex(startIndex); +-tvNX%IJ
} .^6;_s>FN
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public PaginationSupport(List items, int !$&k@#v:
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totalCount, int pageSize, int startIndex){ 'z$ BgXh\
setPageSize(pageSize); u[nx?!
setTotalCount(totalCount); xCU^4DO3p
setItems(items); i#Tm] ++
setStartIndex(startIndex); Qvc "?yx8}
} K;,zE6WD$$
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publicList getItems(){ ;UuCSfs{
return items; 7<{g+Q~7*
} htC~BK3(
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publicvoid setItems(List items){ \a\-hm
this.items = items; Co[fq3iX#
} "f^s*I
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publicint getPageSize(){ B-Bgk
return pageSize; ]D(!ua5|x`
} \Tq !(]o^
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publicvoid setPageSize(int pageSize){ #OlU|I
this.pageSize = pageSize; y/U(v"'4U
} g '2'K
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publicint getTotalCount(){ 6*yt^[W
return totalCount; q@K8,=/.#
} !RX\">z
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publicvoid setTotalCount(int totalCount){ n^F:p*)Q%
if(totalCount > 0){ hP1}Do
this.totalCount = totalCount; 1aEM&=h_W
int count = totalCount / *sNZ.Y:.
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pageSize; 1Rrp#E}
if(totalCount % pageSize > 0) P<<?7_ ??
count++; lmmB =F
indexes = newint[count]; >6fc`3*!
for(int i = 0; i < count; i++){ }:JE*D|
indexes = pageSize * f#4,2Xf
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}else{ )qXl8H I
this.totalCount = 0; @9-/p^n1
} h SGI
} ]O%wZIp\P
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publicint[] getIndexes(){ $P<T`3Jg
return indexes; dnRS$$9#
} 2R}9wDP
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publicvoid setIndexes(int[] indexes){ &T7|f!y
this.indexes = indexes; =Xwr*FTr
} p)_v.D3i
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publicint getStartIndex(){ P-B3<~*i!
return startIndex; Qsv3`c
} %N((p[\H
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publicvoid setStartIndex(int startIndex){ "ecG\}R=
if(totalCount <= 0) -nBb -y
this.startIndex = 0; ZR|)+W;
elseif(startIndex >= totalCount) D@jG+k-Lm
this.startIndex = indexes 2hZ>bg
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[indexes.length - 1]; :{#%_^}k
elseif(startIndex < 0) \}CQo0v
this.startIndex = 0; -TIrbYS`
else{ $raxf80A
this.startIndex = indexes &