模仿PHP写的ASP 分页

新客网 XKER.COM 2005-01-26 来源：收藏本文

<%
' 分页程序
' total_records 总记录数
' everypage_records 每页显示条数
' current_page 当前页数
' url 要传递的url，这里可以含有要传递的变量，比如 "list.asp?" 或者"list.asp?keyword=key&"
' 程序调用比较简单，不过还是比PHP的麻烦，继续努力中

sub show_page(total_records,everypage_records,current_page,url)

if IsNumeric (total_records) then
total_records=Int(total_records)
else
total_records=0
end if

if IsNumeric (everypage_records) then
everypage_records=Int(everypage_records)
if everypage_records<=0 then
everypage_records=10
end if
else
everypage_records=10
end if

if IsNumeric (current_page) then
current_page=Int(current_page)
else
current_page=1
end if

'取总页数，即最后一页
if total_records mod everypage_records=0 then
last_page=Int(total_records/everypage_records)
else
last_page=Int(total_records/everypage_records)+1
end if

'判断 current_page 是否符合标准,并附值给page
if current_page>=last_page then
page=last_page
elseif current_page<=1 then
page=1
else
page=current_page
end if

'上一页
if page<=0 then
prepg=0
else
prepg=page-1
end if
'下一页
if page=last_page then
nextpg=0
else
nextpg=page+1
end if

'本页开始记录
firstcount=prepg*everypage_records
'本页结束记录
if nextpg>=1 then
lastcount=(nextpg-1)*everypage_records
else
lastcount=total_records
end if
'开始分页导航条代码
pagenav=""
pagenav1=""
pagenav=pagenav&"显示第<b>"&firstcount&"-"&lastcount&"</b>条记录共<b>"&total_records&"</b> 条记录"
pagenav1=pagenav1&"显示第<b>"&firstcount&"-"&lastcount&"</b>条记录共<b>"&total_records&"</b> 条记录"

if last_page>1 then
'当有前后页时
pagenav=pagenav&" <a href='"&url&"page=1'>首页</a> "
pagenav1=pagenav1&" <a href='"&url&"page=1'>首页</a> "
if prepg>=1 then
pagenav=pagenav&" <a href='"&url&"page="&prepg&"'>前页</a> "
pagenav1=pagenav1&" <a href='"&url&"page="&prepg&"'>前页</a> "
else
pagenav=pagenav&" 前页 "
pagenav1=pagenav1&" 前页 "
end if
if nextpg>=1 then
pagenav=pagenav&" <a href='"&url&"page="&nextpg&"'>后页</a> "
pagenav1=pagenav1&" <a href='"&url&"page="&nextpg&"'>后页</a> "
else
pagenav=pagenav&" 后页 "
pagenav1=pagenav1&" 后页 "
end if
pagenav=pagenav&" <a href='"&url&"page="&last_page&"'>尾页</a> "
pagenav1=pagenav1&" <a href='"&url&"page="&last_page&"'>尾页</a> "

pagenav=pagenav&"到第<input type=text name=text100 id=text100 value="&page&" size=3>页<input type=button name=button100 value=go onclick='window.location="""&url&"page=""+text100.value'>"
pagenav=pagenav&" 共 "&last_page&" 页"

pagenav1=pagenav1&"到第<input type=text name=text101 id=text101 value="&page&" size=3>页<input type=button name=button101 value=go onclick='window.location="""&url&"page=""+text101.value'>"
pagenav1=pagenav1&" 共 "&last_page&" 页"
end if

end sub
%>

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