Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 0!\C@wnH
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 A*y4<'}<
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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 @.eN+o9|
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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 4H-eFs%5
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4>jHS\jc
分页支持类: O2{["c
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java代码: #Q8_:dPY
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package com.javaeye.common.util; JY,$B-l
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import java.util.List; _`udd)Y2
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publicclass PaginationSupport { k<< x}=
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publicfinalstaticint PAGESIZE = 30; m^3x%ENZ
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privateint pageSize = PAGESIZE; PXMd=,}
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privateList items; HoGYgye=
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privateint totalCount; X9m^i2tk
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privateint[] indexes = newint[0]; 'Cc~|gOgD
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privateint startIndex = 0; ,eyh%k*hz
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public PaginationSupport(List items, int O
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totalCount){ `}Zqmfs
setPageSize(PAGESIZE); RpivO,
setTotalCount(totalCount); X0;u7g2Yz
setItems(items); Z}+}X|
setStartIndex(0); GTdoUSUq
} :<J7 g`f
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public PaginationSupport(List items, int
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totalCount, int startIndex){ FH,]'
setPageSize(PAGESIZE); qbv\uYow3k
setTotalCount(totalCount); >WSh)(Cg
setItems(items); cRT'?w`}
setStartIndex(startIndex); ybBmg'198
} {18hzhs
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public PaginationSupport(List items, int ZxF`i>/h
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totalCount, int pageSize, int startIndex){ G4cgY|71
setPageSize(pageSize); i0=U6S:#
setTotalCount(totalCount); pe?)AiTZ:
setItems(items); 2l<2srEK
setStartIndex(startIndex); PQ&*(G
} O4R\]B#Xu
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publicList getItems(){ wMW<lT=;
return items; 0g?)j-
} :$k*y%Z*N&
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publicvoid setItems(List items){ N:lfKI
this.items = items; {kpF etXt?
} z?o8h
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publicint getPageSize(){ 4IeCb?
return pageSize; l f>/
} k =! Q
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publicvoid setPageSize(int pageSize){ b84l`J
this.pageSize = pageSize; yvd)pH<a2
} 5BVvT
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publicint getTotalCount(){ sINQ?4_8T
return totalCount; j"qND=15
} Nfa&r
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publicvoid setTotalCount(int totalCount){ \,#$,dUXD
if(totalCount > 0){ l\UjvG
this.totalCount = totalCount;
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int count = totalCount / }S> 4.8
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pageSize; b>-DX
if(totalCount % pageSize > 0) n~^SwOt~;5
count++; pfN(Ae
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indexes = newint[count]; QG5WsuT
for(int i = 0; i < count; i++){ <*(Z}p
indexes = pageSize * i~';1
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} !xsfhLZK
}else{ *vb"mB
this.totalCount = 0; vIV|y>;g
} ,Z{\YAh1
} 8b/$Qp4d
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