在struts中分页的一种实现r
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我的项目中的分页功能r
1，思路r
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使用一个页面控制类，它记录页面信息，如上页，下页，当前页等。在查询的Actio
中，将这个控制类和查询条件一起传递给数据库访问bea
，然后将这两个参数保存在用户sessio
中。在分页控制Actio
中，利用接收到的分页参数调用数据库访问的bea
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2实现r
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1分页控制类r
author
ickr
Createdo
2004318r
file
amePageCo
trollerjavar
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packagecomtowerutilr
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author
ickr
2004318r
用来进行翻页控制r
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publicclassPageCo
trollerr
i
ttotalRowsAmou
t总行数r
boolea
rowsAmou
tSet是否设置过totalRowsAmou
tr
i
tpageSize2每页行数r
i
tcurre
tPage1当前页码r
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t
extPager
i
tpreviousPager
i
ttotalPages总页数r
boolea
hasNext是否有下一页r
boolea
hasPrevious是否有前一页r
Stri
gdescriptio
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i
tpageStartRowr
i
tpageE
dRowr
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publicPageCo
trolleri
ttotalRowsr
setTotalRowsAmou
ttotalRowsr
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publicPageCo
trollerr
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paramir
设定总行数r
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publicvoidsetTotalRowsAmou
ti
tir
ifthisrowsAmou
tSetr
totalRowsAmou
tir
totalPagestotalRowsAmou
tpageSize1r
setCurre
tPage1r
thisrowsAmou
tSettruer
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paramir
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当前页r
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publicvoidsetCurre
tPagei
tir
curre
tPageir
extPagecurre
tPage1r
previousPagecurre
tPage1r
计算当前页开始行和结束行r
ifcurre
tPagepageSizetotalRowsAmou
tr
pageE
dRowcurre
tPagepageSizer
pageStartRowpageE
dRowpageSize1r
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elser
pageE
dRowtotalRowsAmou
tr
pageStartRowpageSizetotalPages11r
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是否存在前页和后页r
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if
extPagetotalPagesr
hasNextfalser
elser
hasNexttruer
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ifpreviousPage0r
hasPreviousfalser
elser
hasPrevioustruer
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Systemoutpri
tl
thisdescriptio
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retur
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publici
tgetCurre
tPager
retur
curre
tPager
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retur
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publicboolea
isHasNextr
retur
hasNextr
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retur
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publicboolea
isHasPreviousr
retur
hasPreviousr
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retur
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publici
tgetNextPager
retur
extPager
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retur
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publici
tgetPageSizer
retur
pageSizer
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retur
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publici
tgetPreviousPager
retur
previousPager
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retur
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publici
tgetTotalPagesr
retur
totalPagesr
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retur
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publici
tgetTotalRowsAmou
tr
retur
totalRowsAmou
tr
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parambr
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publicvoidsetHasNextboolea
br
hasNextbr
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parambr
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publicvoidsetHasPreviousboolea
br
hasPreviousbr
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paramir
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publicvoidsetNextPagei
tir
extPageir
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paramir
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publicvoidsetPageSizei
tir
pageSizeir
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paramir
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publicvoidsetPreviousPagei
tir
previousPageir
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parr