Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 NT6jwK.?)?
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 jMT[+f
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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 -J]?M
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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 +:A `e+\
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分页支持类: Z@Rqm:e
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java代码: mtUiO
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package com.javaeye.common.util; w+m7jn!$
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import java.util.List; `JIp$
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publicclass PaginationSupport { 33`bKKO}
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publicfinalstaticint PAGESIZE = 30; U=v>gNba
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privateint pageSize = PAGESIZE; .)*&NY!nsl
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privateList items; c{'Z.mut
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privateint totalCount; MpKXC
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privateint[] indexes = newint[0]; #m#IBRD :
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privateint startIndex = 0; G-CL \G\n
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public PaginationSupport(List items, int U& GPede
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totalCount){ 4n#u?)
setPageSize(PAGESIZE); H
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setTotalCount(totalCount); y^r'4zN'
setItems(items); X&Oo[Z
setStartIndex(0); u`EK^\R
} azZ|T{S
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public PaginationSupport(List items, int yCz"~c
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totalCount, int startIndex){ [KUkv
setPageSize(PAGESIZE); `&I6=,YLp
setTotalCount(totalCount); ~ESw* 6s9
setItems(items); j1Ys8k%$l
setStartIndex(startIndex); =Vh]{y~$
} OL1xxzo
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public PaginationSupport(List items, int *Y1s4FXu2
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totalCount, int pageSize, int startIndex){ . (&6gB
setPageSize(pageSize); +R?E @S
setTotalCount(totalCount); 9f['TG,"
setItems(items); v~RxtTu
setStartIndex(startIndex); u!xgLf'`
} :qS~"@ ?<
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publicList getItems(){ !/`AM<`o
return items; r
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} '"Cqq{*
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publicvoid setItems(List items){ wz+mFf
this.items = items; :WH{wm|
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publicint getPageSize(){ iMry0z
return pageSize; |
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} `B?+1Gv
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publicvoid setPageSize(int pageSize){ |yNyk7~
this.pageSize = pageSize; EAY+#>L*
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publicint getTotalCount(){ !}A`6z
return totalCount; 4PC'7V=S
} y2k's
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publicvoid setTotalCount(int totalCount){ &2@"zD
if(totalCount > 0){ zt((TD2
this.totalCount = totalCount; "=s dn
int count = totalCount / dyqk[$(
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pageSize; WKr4S<B8mr
if(totalCount % pageSize > 0) L9[m/(:y
count++; ^`-Hg= d
indexes = newint[count]; %jUZc:06
for(int i = 0; i < count; i++){ E.'6p \
indexes = pageSize * Gj#BG49g2
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} &xj40IZ
}else{ -8:O?]+Q/
this.totalCount = 0; WbFCj0
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} NVVAh5R
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publicint[] getIndexes(){ YC{7;=Pf
return indexes; Q2|6W E
} @8YuMD;
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publicvoid setIndexes(int[] indexes){ z:n
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this.indexes = indexes; 1_~'?'&^
} 7Aw <:
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publicint getStartIndex(){ N}|1oQkjf
return startIndex; Q<osYO{l
} <!u(_Bxw/
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publicvoid setStartIndex(int startIndex){ }WQ:Rmi
if(totalCount <= 0) qyIy xJ
this.startIndex = 0; 6{Bvl[mhI
elseif(startIndex >= totalCount) 3,+UsB%
this.startIndex = indexes RXPl~]k#i
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[indexes.length - 1]; [woxCfSA
elseif(startIndex < 0) sx9[#6~{Y
this.startIndex = 0; (ds*$]
else{ fQU_A
this.startIndex = indexes )P/~{Ci:T&
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[startIndex / pageSize]; ?!34qh
} V6<Ki
} !OH'pC5
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publicint getNextIndex(){ t5p#g<