*/ --------------------------------------------------------------------------------------
*/ 出自：建站学http://www.jzxue.com
*/ 作者： 天涯听雨E-mail：[email protected]：809252803
*/ 时间： 2007-10-6编程论坛首发
*/ 声明： 尊重作者劳动，转载请保留本段文字
*/ --------------------------------------------------------------------------------------
<%
'名称：百万数据进行分页
'作者：天涯听雨
'时间：2007年10月6日
'平台：Win2000+IIS5.0+Sql2000
'附言：第一次写就运用简单一些，大家不要骂……
'----------------------------------------------------------连接数据库
Response.Buffer = True
Dim SqlLocalName,SqlUsername,SqlPassword,SqlDatabaseName
Dim ConnStr,Conn
'''''''''''''''''''''''''''''' SQL数据库 ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
SqlLocalName =(local) '连接IP[ 本地用 (local) 外地用IP ]
SqlUsername=sa '数据库用户名
SqlPassword=XXXXXX '用户密码
SqlDatabaseName=News2008 '数据库名
ConnStr = Provider=Sqloledb;User ID= & SqlUsername & ; Password= & SqlPassword & ; Initial Catalog = & SqlDatabaseName & ; Data Source= & SqlLocalName & ;
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
On Error Resume Next
Set Conn=Server.CreateObject(ADODB.Connection)
Conn.open ConnStr
If Err Then
err.Clear
Set Conn = Nothing
Response.Write <div style='font-size:14px;color=#ff0000' align='center'>数据库连接出错，请检查数据库连接字串</div>
Response.End
End If
'----------------------------------------------------------连接数据库完成
'定义变量
'TblName-表名；FldName-排列字段名；FieldName-需读取的字段名；PageSizeX-分页大小；PageCountX-总页数；PageNo-当前页;OrderType-排序方式；StrWhere-条件语句
'StrSql-总执行语句；FieldCount-总记录数；StrTmp,StrOrder-临时变量
Dim TblName,FldName,FieldName,PageSizeX,PageCountX,PageNo,OrderType,StrWhere
Dim StrSql,FieldCount,StrTmp,StrOrder,TopField
'进行赋值
PageNo=trim(Request.Querystring(PageNo))
if isnumeric(PageNo) or PageNo= then'如果没有Page值，进行初始化值
PageNo=abs(PageNo)
if PageNo=0 then PageNo=1
else
PageNo=1
end if
TblName = TableNews
FldName = ID'说明，排序字段值在数据库不能有重复:建议是主键
FieldName=ID,Title,AddTime
PageSizeX=30
OrderType=1 '0-为降序 1-升序
StrWhere= (Code='0101') and (Hits>100) '注意: 一个条件就用()双括号括起来 第一个不用and
TopField=(PageNo-1)*PageSizeX'TOP多少条
if OrderType=0 then
StrTmp = <(Select min
StrOrder = Order BY [&FldName&] desc
else
StrTmp = >(Select max
StrOrder = Order BY [&FldName&] asc
end if
'定义sql语句
StrSql=Select Top &Clng(PageSizeX)& & FieldName & From &TblName&
if PageNo=1 then'如果是第一页时，执行如下代码查库速度快
if StrWhere<> then
StrSql=StrSql& Where &StrWhere & StrOrder&
else
StrSql=StrSql & StrOrder
end if
else
if StrWhere<> then
StrSql=StrSql& Where & FldName & StrTmp&(&FldName&) From (Select top & Clng(TopField)& &FldName & From&TblName& Where & StrWhere & StrOrder &) as tblTmp) and & StrWhere & StrOrder&
else
StrSql=StrSql& Where & FldName & StrTmp&(&FldName&) From (Select top & Clng(TopField)& &FldName & From&TblName & StrOrder &) as tblTmp) &StrOrder&
end if
end if
Set rs=Conn.exeCute(StrSql) '执行查询
if rs.bof and rs.eof then
Conn.Close : set Conn=nothing
response.write <script LANGUAGE='javascript'>alert('当前没有找到任何记录，请返回重新操作！');history.go(-1);</script>
response.end
end if
if StrWhere<> then '求总记录数
FieldCount=Conn.exeCute(Select Count(&FldName&) From &TblName& Where &StrWhere&)(0)
else
FieldCount=Conn.exeCute(Select Count(&FldName&) From &TblName&)(0)
end if
if (FieldCount mod nPageSize)>0 then '求总页数 PageCountX
PageCountX=((FieldCount - (FieldCount mod PageSizeX))/ PageSizeX)+1
else
PageCountX= (FieldCount / PageSizeX)
end if
'显示数据
do while not rs.eof
response.write&rs(Title)& 添加时间：&rs(AddTime)&<br/>
rs.movenext
loop
'进行关闭和释放相关资源
rs.Close
Conn.Close : Set Conn=nothing
'显示分页
if PageNo<=1 then
Response.Write <font color='#FF0000'>[首页] [上一页]</font>
else
Response.Write[<a href='?PageNo=1' target='_self' title='首页'><font color='#FF0000'>首页</font></a>]
Response.Write[<a href='?PageNo=&(PageNo-1)&' target='_self' title='上一页'><font color='#FF0000'>上一页</font></a>]
end if
if PageNo>=PageCountX then
Response.Write <font color='#FF0000'>[下一页] [尾页]</font>
else
Response.Write[<a href='?PageNo=&(PageNo+1)&'target='_self' title='下一页'><font color='#FF0000'>下一页</font></a>]
Response.Write[<a href='?PageNo=&PageCountX&' target='_self' title='尾页'><font color='#FF0000'>尾页</font></a>]
end if
Response.Write[页次 第<font color=red>&PageNo&</font>页/共<font color=red> & PageCountX &</font>页]
Response.Write [共<font color=red>&FieldCount&</font>条 <font color=red>& PageSizeX & </font>条/页]
Response.Write 转到：<select name='page' size='1' onchange=javascript:window.location = '?PageNo='+this.options[this.selectedIndex].value;>
for i=1 to PageCountX
Response.Write<option value=&i&
if PageNo=i then Response.Write selected
Response.Write(>第-&i&-页</option>)
next
Response.Write</selected>
%>