Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 TXOW/{B
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 r#w_=h)
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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 />I8nS}T
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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 :H8L (BsI
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分页支持类: "}aM*(l+\
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java代码: :Ty*i
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package com.javaeye.common.util; e(% Solkm?
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import java.util.List; o-Fle, qf
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publicclass PaginationSupport { 6zZR:ej
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publicfinalstaticint PAGESIZE = 30; P&`r87J
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privateint pageSize = PAGESIZE; {hP&P
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privateList items; ]BBgU[O)
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privateint totalCount; +((31l
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privateint[] indexes = newint[0]; s3!LR2qiF
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privateint startIndex = 0; 'n#S6.Y:
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public PaginationSupport(List items, int % x;!s=U
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totalCount){ y%l#lz=6
setPageSize(PAGESIZE); ho$%7mc
setTotalCount(totalCount); GQBN-Qv
setItems(items); n
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setStartIndex(0); ",_
} fR;_6?p*B
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public PaginationSupport(List items, int ''07Km@x
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totalCount, int startIndex){ ~,-O
setPageSize(PAGESIZE); ^#nWgo7{7
setTotalCount(totalCount); shvcc
setItems(items); *%BI*p
setStartIndex(startIndex); ,w>?N\w!}
} n{WJ.Y*
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public PaginationSupport(List items, int z5'nS&x
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totalCount, int pageSize, int startIndex){ f+~!s 2uw
setPageSize(pageSize); M 7$4KFNp
setTotalCount(totalCount); &J M;jSz
setItems(items); *lO+^\HXD
setStartIndex(startIndex); cBf{R^>Fd
} ^C|9K>M
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publicList getItems(){ umn^QZ,
return items; n9-[z2n
} YcZ4y@6"
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publicvoid setItems(List items){ W/Q%%)J
this.items = items; Ls*=mh~IY
} >AFpO*q"
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publicint getPageSize(){ e1Hx"7ew_
return pageSize; K a|\gl;V
} 83*k.]S`
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publicvoid setPageSize(int pageSize){ 1`\kXaG
this.pageSize = pageSize; Mp=+*I[
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publicint getTotalCount(){ VNXVuM )c
return totalCount; nP31jm+A
} .CpO+z
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publicvoid setTotalCount(int totalCount){ HpAZ{P7
if(totalCount > 0){ "r+<=JU>OV
this.totalCount = totalCount; 1X.1t^HH:
int count = totalCount / J)NpG9iN
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pageSize; o-=lH tR
if(totalCount % pageSize > 0) B35f5m7r
count++; $g;xw?~#
indexes = newint[count]; ]Jqe)o
for(int i = 0; i < count; i++){ itvdzPO
indexes = pageSize * a| cD{d
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} wv-8\)oA
}else{ DBDfBb
this.totalCount = 0; jp`N%O]6
} `_)dEu
} ;0gpS y$#
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publicint[] getIndexes(){ k>`X!
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return indexes; &pz8vWCk
} yqwr0yDAl
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publicvoid setIndexes(int[] indexes){ ")OLmkC
this.indexes = indexes; $ 1ZY
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} ]"6<"1)
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publicint getStartIndex(){ }Jfo(j
return startIndex; ?#m5$CFp
} .YRSd
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publicvoid setStartIndex(int startIndex){ P+UK@~D+G
if(totalCount <= 0) cj
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this.startIndex = 0; ,YTIYG](
elseif(startIndex >= totalCount) p2K9R4
this.startIndex = indexes gKCIfxM
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[indexes.length - 1]; Le!I-i(aD
elseif(startIndex < 0) < r~Tj
this.startIndex = 0; e hq6.+l
else{ }o4Cd$,8
this.startIndex = indexes $Vzfhj-if
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[startIndex / pageSize]; _JH6bvbQ
} cw\a,>]H
} (1^(V)@
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publicint getNextIndex(){ Jk*MxlA.b
int nextIndex = getStartIndex() + 9':$!Eoq
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pageSize; Cn<