ASP分页函数、分页导航
作者：Eve Cole
更新时间：2009-06-26 18:09:37
程序代码
<%
'//分页函数
'//psize:每页显示的数据数
'//pindex:当前页码
'//tbName:表名
'//keyIndex:根据什么字段分页,一般是自增长类型(access数据库的自动编号)
'//where:查询条件
'//order:排序条件,缺省为" order by " &keyIndex &" desc"
'//总记录数与总页数可从返回的结果集中直接获取,字段datacount存储总记录数,字段pagecount存储总页数
private pindex,datacount,pages
'datacount = 0
'pages = 1
public function changePage(psize,tbName,keyIndex,where,order)
dim sqlstring
pindex = Trim(Request.QueryString("page"))
if not isnumeric(psize) or psize="" then psize=1'//每页显示的数据数
if not isnumeric(pindex) or pindex="" then pindex=1'//当前页码
if order="" then order=" order by " & keyIndex & " desc"
'//获取总数据数
'dim datacount,pages
set rs=conn.execute("select count(*) as datacount from " & tbName & " where 1=1 " & where)
datacount = rs("datacount")'//总记录数
rs.close
set rs=nothing
'//计算总页数
if (datacount mod psize)=0 then
pages=datacount psize
else
pages=datacount psize + 1
end if
'//
if cint(pindex)>pages then pindex=pages
'拼接sql字符串
if pindex<=1 then
sqlstring="select top " & psize & " *," & datacount & " as datacount," & pages & " as pagecount from " &_
tbName & " where 1=1 " & where & " " & order
else
sqlstring="select top " & psize & " *," & datacount & " as datacount," & pages & " as pagecount from " &_
tbName & " where 1=1 and " & keyIndex & " not in(select top " & (pindex-1)*psize & " " & keyIndex & " from " &_
tbName & " where 1=1 " & where & " " & order & ") " & where & " " & order
end if
'Response.Write(sqlstring)
set changePage=conn.execute(sqlstring)
end function
'//分页导航
'//fileName:文件名/当前页面的话,可以留空
'//argString:分页参数例如classid=1&tid=16,分页必须的参数page不必填写
'//pindex:当前页码
'//datacount:总记录数
'//pages:总页数
'//showMsg:是否显示分页信息,参数为true/false
'//showText:是否显示首页、上页、下页、末页的导航,参数为true/false
'//showNumber:是否显示数字分页导航,参数为true/false
'public function pageLink(fileName,argString,pindex,datacount,pages,showMsg,showText,showNumber)
public function pageLink(fileName,argString,showMsg,showText,showNumber)
'//
if argString<>"" then argString = argString & "&"
if not showText and not showNumber then showText=true
'//
if showMsg then
Response.Write("[")
Response.Write("第 <span style='color:red;'>" & pindex & "</span> 页")
Response.Write("/分 <span style='color:red;'>" & pages & "</span> 页")
Response.Write("/总 <span style='color:red;'>" & datacount & "</span> 条记录")
Response.Write("] ")
end if
'//
if showText then
if pindex>1 then
Response.Write("<a href='" & fileName & "?" & argString & "page=1'>[首页]</a>")
Response.Write(" ")
Response.Write("<a href='" & fileName & "?" & argString & "page=" & pindex - 1 & "'>[上页]</a>")
else
Response.Write("[首页]")
Response.Write(" ")
Response.Write("[上页]")
end if
Response.Write(" ")
if pindex<pages then
Response.Write("<a href='" & fileName & "?" & argString & "page=" & pindex + 1 & "'>[下页]</a>")
Response.Write(" ")
Response.Write("<a href='" & fileName & "?" & argString & "page=" & pages & "'>[末页]</a>")
else
Response.Write("[下页]")
Response.Write(" ")
Response.Write("[末页]")
end if
end if
'//
if showNumber then
Response.Write(" ")
for i = 4 to 1 step -1
if (pindex - i)>0 then
Response.Write("<a href='" & fileName & "?" & argString & "page=" & pindex - i & "'>" & pindex - i & "</a>")
Response.Write(" ")
end if
next
'//
Response.Write("<span style='color:red;'>" & pindex & "</span>")
'//
for i = 1 to 4
if (pindex + i)<=pages then
Response.Write(" ")
Response.Write("<a href='" & fileName & "?" & argString & "page=" & pindex + i & "'>" & pindex + i & "</a>")
end if
next
'//
end if
'//
end function
%>
