asp快速分页代码
<%@ language = "vbscript" codepage = 936%>
<%
option explicit '强制定义变量
dim idcount'记录总数
dim pages'每页条数
dim pagec'总页数
dim page'页码
dim pagenc '每页显示的分页页码数量=pagenc*2+1
pagenc=2
dim pagenmax '每页显示的分页的最大页码
dim pagenmin '每页显示的分页的最小页码
page=clng(request("page"))
dim start'程序开始的时间
dim endt'程序结束的时间
dim datafrom'数据表名
datafrom="table1"
dim conn,rs
dim datapath '数据库路经
dim sqlid'本页需要用到的id
dim myself'本页地址
myself = request.servervariables("path_info")
dim sql'sql语句
dim taxis'排序的语句
'taxis="order by id asc" '正排序
taxis="order by id desc" '倒排序
dim i'用于循环的整数
start=timer()
datapath="db.mdb"'数据库
pages=30
'连接打开数据库
dim db
db="db.mdb" '定义数据库路径及名称
set conn = server.createobject("adodb.connection")
conn.open "provider=microsoft.jet.oledb.4.0;data source=" & server.mappath(db)
if err.number <> 0 then
response.write "数据库链接出错!"
response.end()
end if
'获取记录总数
sql="select count(id) as idcount from ["& datafrom &"]"
set rs=server.createobject("adodb.recordset")
rs.open sql,conn,0,1
idcount=rs("idcount")'获取记录总数
if(idcount>0) then'如果记录总数=0,则不处理
if(idcount mod pages=0)then'如果记录总数除以每页条数有余数,则=记录总数/每页条数+1
pagec=int(idcount/pages)'获取总页数
else
pagec=int(idcount/pages)+1'获取总页数
end if
'获取本页需要用到的id============================================
'读取所有记录的id数值,因为只有id所以速度很快
sql="select id from ["& datafrom &"] " & taxis
set rs=server.createobject("adodb.recordset")
rs.open sql,conn,1,1
rs.pagesize = pages '每页显示记录数
if page < 1 then page = 1
if page > pagec then page = pagec
if pagec > 0 then rs.absolutepage = page
for i=1 to rs.pagesize
if rs.eof then exit for
if(i=1)then
sqlid=rs("id")
else
sqlid=sqlid &","&rs("id")
end if
rs.movenext
next
'获取本页需要用到的id结束============================================
end if
%>
<!doctype html public "-//w3c//dtd html 4.01 transitional//en">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<title>快速分页</title>
<link rel="stylesheet" href="page.css" type="text/css">
</head>
<body bgcolor="#f2f2f2" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">
<table width="100%" height="100%" border="0" cellpadding="20" cellspacing="0">
<tr>
<td valign="middle"><table width="100%" height="100%" border="0" cellpadding="0" cellspacing="1" bgcolor="#cccccc">
<tr>
<td valign="top" bgcolor="#ffffff"><br> <table width="90%" border="0" align="center" cellpadding="0" cellspacing="0" class="zw">
<tr>
<td><strong><font color="#ff6600">快速分页</font></strong></td>
</tr>
</table>
<br>
<table width="90%" border="0" align="center" cellpadding="3" cellspacing="1" bgcolor="cccccc" class="zw">
<tr align="center" bgcolor="#9fcb07">
<td width="9%"><strong>ID</strong></td>
<td width="37%"><strong>主题</strong></td>
<td width="33%"><strong>内容</strong></td>
<td width="21%"><strong>时间</strong></td>
</tr>
<%
if(idcount>0 and sqlid<>"") then'如果记录总数=0,则不处理
'用in刷选本页所语言的数据,仅读取本页所需的数据,所以速度快
sql="select [id],[aaaa],[bbbb],[cccc] from ["& datafrom &"] where id in("& sqlid &") "&taxis
set rs=server.createobject("adodb.recordset")
rs.open sql,conn,0,1
while(not rs.eof)'填充数据到表格
%>
<tr bgcolor="#ffffff">
<td align="center"><%=rs(0)%></td>
<td><%=rs(1)%></td>
<td><%=rs(2)%></td>
<td align="center"><%=rs(3)%></td>
</tr>
<%
rs.movenext
wend
%>
</table>
<br>
<table width="90%" border="0" align="center" cellpadding="2" cellspacing="0" class="zw">
<tr align="center">
<td align="left">共有<strong><font color="#ff6600"><%=idcount%></font></strong>条记录,<strong><font color="#ff6600"><%=page%></font></strong>/<%=pagec%>,每页<strong><font color="#ff6600"><%=pages%></font></strong>条。</td>
</tr>
</table>
<table width="90%" border="0" align="center" cellpadding="2" cellspacing="0" class="zw">
<tr align="center">
<td align="right">
<%
'设置分页页码开始===============================
pagenmin=page-pagenc'计算页码开始值
pagenmax=page+pagenc'计算页码结束值
if(pagenmin<1) then'如果页码开始值小于1则=1
pagenmin=1
end if
if(page>1) then'如果页码大于1则显示(第一页)
response.write ("<a href='"& myself &"?page=1'><font color='#000000'>第一页</font></a> ")
end if
if(pagenmin>1) then'如果页码开始值大于1则显示(更前)
response.write ("<a href='"& myself &"?page="& page-(pagenc*2+1) &"'><font color='#000000'>更前</font></a> ")
end if
if(pagenmax>pagec) then'如果页码结束值大于总页数,则=总页数
pagenmax=pagec
end if
for i = pagenmin to pagenmax'循环输出页码
if(i=page) then
response.write ("<font color='#ff6600'><strong>"& i &"</strong></font> ")
else
response.write ("[ <a href="& myself &"?page="& i &"><font color='#000000'>"& i &"</font></a> ] ")
end if
next
if(pagenmax<pagec) then'