百万级asp分页存储过程代码_网络飞虎


【文章转自:http://www.aspxhome.com/asp/examples/200712/254217.htm

以下代码为网页代码

<%
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     ="user"              ''数据库用户名
SqlPassword     ="****"          ''用户密码
SqlDatabaseName="NewsTable"        ''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
''本类进行实例化代码,不将所有可能性条件分页考虑进去。本类仅作参考
''--------------------------------------------------------------------------------------------
''PageNo-当前页;PageSizeX-分页大小;PageCountX-总页数;FieldCount-总记录数;StrWhere-查询条件
Dim PageNo,PageSizeX,PageCountX,FieldCount,StrWhere
''进行赋值
PageNo=trim(Request.Querystring("PageNo"))
PageSizeX=30                             ''定义分页大小
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
StrWhere="(ClassCode=0101 and Hits>20)"   ''注意,此处注意字符的长度
set recom = server.createobject("adodb.command")
recom.activeconnection = Conn
recom.commandtype = 4
recom.commandtext = "News_Class"
recom.Parameters.Append   recom.CreateParameter("@StrWhere",202,1,100,StrWhere)
recom.Parameters.Append   recom.CreateParameter("@PageSize",3,1,,PageSizeX)
recom.Parameters.Append   recom.CreateParameter("@PageIndex",3,1,,PageNo)
set rs = recom.execute ()
if rs.eof then
    set rs=nothing : set recom=nothing   : 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
''显示数据
do while not rs.eof
    response.write""&rs("Title")&"&nbsp;&nbsp;&nbsp;添加时间:"&rs("AddTime")&"<br/>"
rs.movenext
loop
''取得记录总数,计算页数
set rs = rs.NextRecordset
if rs("countx") > 0 then
    FieldCount=rs("countx")
else
    FieldCount=0
end if
if (FieldCount mod PageSizeX)>0 then
    PageCountX=((FieldCount - (FieldCount mod PageSizeX))/ PageSizeX)+1
else
    PageCountX= (FieldCount / PageSizeX)
end if
''进行关闭和释放相关资源
set rs=nothing : set recom=nothing   : 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" & "<input id=zhuanpage name=zhuanpage size=2 value="&PageNo&">" & "页<input type=submit value=""Go"" onclick=""gotoPage()"">"
Response.Write"</td></tr></table>"
Response.Write"<script>function gotoPage(){var pg=document.getElementById(''zhuanpage'').value;if(isNaN(pg)||pg>"&PageCountX&"||pg<0){window.alert(''请正确输入页码,只能为正整数!且不能大于"&PageCountX&"'');return false;}else{window.location.href=''?PageNo=''+document.getElementById(''zhuanpage'').value+'''';return true;}}</script>"
%>

以下代码为存储过程代码


CREATE procedure   News_Class
--百万级分页
(
@StrWhere      varchar(100),
@PageSize      int,        
@PageIndex     int       
)
AS
declare   @strSQL         varchar(2000)      -- 主语句
declare   @strCountSQL    varchar(2000)      -- 总记录主语句
declare   @strTmp         varchar(1000)      -- 临时变量
Set @strTmp =" Select top " + str(@PageSize) + " Title,AddTime from Tb_News "   --此处注意,需几个字段读几个字段
if @StrWhere<>''''
    Begin
    Set @strSQL=@strTmp + " where ID < (select min(ID) from (select top " + str((@PageIndex-1)*@PageSize)+" ID from Tb_News Where "+@StrWhere+"   order by ID desc)   as tblTmp ) and "+@StrWhere+" order by ID desc"
    set @strCountSQL="select count(ID) as countx from Tb_News Where "+@StrWhere+" "
    End
else
    Begin
    Set @strSQL=@strTmp + " where ID < (select min(ID) from (select top " + str((@PageIndex-1)*@PageSize)+" ID from Tb_News order by ID desc)   as tblTmp ) order by ID desc"
    set @strCountSQL="select count(ID) as countx from Tb_News "
    End

if @PageIndex = 1
    if @StrWhere<>''''
       Begin
       Set @strSQL=@strTmp +" Where "+@StrWhere+" order by ID desc"
      
       End
    else
       Begin
       Set @strSQL=@strTmp +" order by ID desc"
   
       End
exec (@strSQL)
exec (@strCountSQL)
GO



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