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最简化分页程序,附源代码

来源: 作者:unkonwn 时间:2005-04-14 点击:
pagetest.asp 表现页面

<!--#include virtual="/conn.asp"-->
<!--#include virtual="/object.asp"-->
<%

strSql = "select * from authors"

set rs=server.CreateObject("ADODB.RecordSet")

rs.open strSql,conn,1,1

set page = new PageBase

page.pagesize = 3

if not isnumeric(request("page")) then
page.currentpage=1
else
if (cint(request("page")<1)) then
page.currentpage=1
else
page.currentpage=request("page")
end if
end if


page.linkurl="pagetest.asp"

page.show(rs)

page.FenYe(rs)
%>


object.asp 页对象

<%

"***********************************
"*
"* 尼德类
"*
"* 主要有:分页类。。。。。

数据挖掘研究院


"*
"* coolwind QQ :1294420
"*
"***********************************

class PageBase
dim pagesize "每页显示的记录数
dim currentpage"当然页面数
dim linkurl "链结URL

sub show(oRs)

"显示分页符号的子程序---------------------------------------------------------------
i=0
rs.Move pagesize*(currentpage-1)
do while not oRs.eof and i<pagesize
response.write oRs(1)&"<br>"
i=i+1
oRs.movenext
loop
End sub

"显示分页符号的子程序---------------------------------------------------------------

sub FenYe(oRs)

totalput = oRs.recordcount
pagesum = totalPut PageSize

"如果是第一页
response.write "第"&currentpage&"页/共"&pagesum&"页"

maxpage = 0
minpage = 0
if((currentpage-5)>1) then
minpage = currentpage-5
if (currentpage+4)>pagesum then
maxpage = pagesum
else
maxpage = currentpage+4
end if
else 数据挖掘研究院
minpage = 1
if pagesum>10 then
maxpage = 10
else
maxpage = pagesum
end if
end if
if(cint(currentpage-1)>0) then
if(cint(currentpage-1)>cint(pagesum)) then
response.write "<a href="&linkurl&"?Page="&pagesum&" ><<上一页</a>"
else
response.write "<a href="&linkurl&"?Page="&currentpage-1&" ><<上一页</a>"
end if
end if
for i=minpage to maxpage
if(cint(i)=cint(currentpage)) then
response.write "["&i&"]"
else
response.write "[<a href="&linkurl&"?Page="&i&" >"&i&"</a>]"
end if
next
if(cint(pagesum-currentpage)>0) then
response.write "<a href="&linkurl&"?Page="&currentpage+1&">下一页>></a>"
end if
response.write "<br>"

"以下是另一种分页显示界面
if currentpage=1 then
Response.Write " [最前页]" 数据挖掘研究院
Response.Write "[上一页]"
else
Response.Write "[<a href="&linkurl&"?page=1 class="01">最前页</a>]"
Response.Write "[<a href="&linkurl&"?Page="&currentpage-1&" class="01">上一页</a>]"
End If

"如果是最后一页

If cint(currentpage)<cint(pagesum) Then
Response.Write "[<A HREF="&linkurl&"?Page="&currentpage+1&" class="01">下一页</a>]"
Response.Write "[<A HREF="&linkurl&"?Page="&pagesum&" class="01">最末页</a>]"
else
Response.Write "[下一页]"
Response.Write "[最末页]"
End If
end sub

end class
%>


conn.asp 数据库链结

<%
"***********************************
"*
"*
"* 与MSSQL数据库连接
"*
"* coolwind QQ :1294420
"*
"***********************************
dim conn
dim connstr
connstr="provider=sqloledb;data source=servername;uid=sa;pwd=;database=pubs;"
set conn=server.createobject("ADODB.CONNECTION")

if err.number<>0 then
err.clear
set conn=nothing
response.write "数据库连接出错!"
Response.End
else
conn.open connstr
if err then
err.clear
set conn=nothing
response.write "数据库连接出错!"
Response.End
end if
end if

%>
大家看看,有什么看不懂的问我



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