Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 _pSCv:3T
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 <$#b3F"I
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据这一功能,我设计了通用的抽象Bean基类和分页类支持,代码来 tZS-e6*S
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自于Quake Wang的javaeye-core包的相应类,然后又做了很多修改 \atztC{-L>
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分页支持类: B+G,v:)R6z
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java代码: *u$MqN
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package com.javaeye.common.util; ].f28bY
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import java.util.List; 3[kY:5-
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publicclass PaginationSupport { W=v4dy]B
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publicfinalstaticint PAGESIZE = 30; +@]b}W
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privateint pageSize = PAGESIZE; J:
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privateList items; ?Z-(SC
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privateint totalCount; +*2wGAT
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privateint[] indexes = newint[0]; s;'XX}Y
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privateint startIndex = 0; pK=$)<I"6
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public PaginationSupport(List items, int S Rs~p
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totalCount){ uT8@p8
setPageSize(PAGESIZE); $x,?+N
setTotalCount(totalCount); s hbPy
setItems(items); i6R2R8
setStartIndex(0); i"=6n>\
} b #U
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public PaginationSupport(List items, int & 2MI(9v
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totalCount, int startIndex){ z=TaB^-)
setPageSize(PAGESIZE); *vn^
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setTotalCount(totalCount);
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setItems(items); +Hz});ix<
setStartIndex(startIndex); Pl_4;q!$
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public PaginationSupport(List items, int k0IW,z%
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totalCount, int pageSize, int startIndex){ 9-;ujl?{
setPageSize(pageSize); k9j_#\E[
setTotalCount(totalCount); hC ^|
setItems(items); uU v yZ
setStartIndex(startIndex); v. ,|#}0 o
} Qmxe*@{`
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publicList getItems(){ 6e,|HV
return items; :34#z.O
} C3kxw1*
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publicvoid setItems(List items){ -<kl d+
this.items = items; )3<|<jwcx
} Xg:w;#r,
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publicint getPageSize(){ 8<(qN>R
return pageSize; 'N$hbl
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publicvoid setPageSize(int pageSize){ :USN`"
this.pageSize = pageSize; m+p}Qi8i)
} '>[l1<d!G
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publicint getTotalCount(){ hS]g^S==2h
return totalCount; ~ZeF5
} mm-!UsT
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publicvoid setTotalCount(int totalCount){ Jlw<%}r
if(totalCount > 0){ 8hWBTUN
this.totalCount = totalCount; +jzwi3B`
int count = totalCount / Gt4| ]
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pageSize; } ).rD
if(totalCount % pageSize > 0) )1Rn;(j9Re
count++; ,"?h_NbF
indexes = newint[count]; 5wM*(H^c[
for(int i = 0; i < count; i++){ % 1Y!|306
indexes = pageSize * rU?sUm,ch
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} _2Sb?]Xn
}else{ 3nb&Z_/e
this.totalCount = 0; n_;qB7,,
} MhMY"bx8
} zfvMH"1
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publicint[] getIndexes(){ 4;anoqiG\
return indexes; OiI[w8
} DBDHe-1[+
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publicvoid setIndexes(int[] indexes){ pME17 af
this.indexes = indexes; Ay7I_"%
} nn>1OO
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publicint getStartIndex(){ eELJDSd
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return startIndex; :s8^nEK
} 9kmEg$WM
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publicvoid setStartIndex(int startIndex){ JCoDe.
if(totalCount <= 0) :1h1+b@,
this.startIndex = 0; @Qw~z0PE<l
elseif(startIndex >= totalCount) {"Xn`@Y
this.startIndex = indexes &R