部分值得一看的代码asp
发布时间:2023-09-06 14:03:33 所属栏目:Asp教程 来源:
导读:Asp中对ip进行过滤限制函数
<%
'获取访问者的地址
ip=Request.ServerVariables("REMOTE_ADDR")
'允许的IP地址段为10.0.0.0~10.68.63.255
allowip1="10.0.0.0"
allowip2="10.68.10.
<%
'获取访问者的地址
ip=Request.ServerVariables("REMOTE_ADDR")
'允许的IP地址段为10.0.0.0~10.68.63.255
allowip1="10.0.0.0"
allowip2="10.68.10.
Asp中对ip进行过滤限制函数 <% '获取访问者的地址 ip=Request.ServerVariables("REMOTE_ADDR") '允许的IP地址段为10.0.0.0~10.68.63.255 allowip1="10.0.0.0" allowip2="10.68.10.71" response.write checkip(ip,allowip1,allowip2) function checkip(ip,allowip1,allowip2) dim check(4) checkip=false ipstr=split(ip,".") allow1=split(allowip1,".") allow2=split(allowip2,".") if cint(allow1(0))>cint(allow2(0)) then '判断IP地址段是否合法 response.write "IP地址段出错!" exit function end if for i=0 to ubound(ipstr) if cint(allow1(i))<cint(allow2(i)) then if cint(allow1(i))=cint(ipstr(i)) then check(i)=true checkip=true exit for elseif cint(ipstr(i))<cint(allow2(i)) then check(i)=true checkip=true exit for elseif cint(ipstr(i))>cint(allow2(i)) then check(i)=false checkip=false exit for else check(i)=true checkip=true end if end if end if elseif cint(allow1(i))>cint(ipstr(i)) or cint(allow1(i))<cint(ipstr(i)) then check(i)=false checkip=false if i<>ubound(ipstr) then exit for end if else check(i)=true end if end if next if (check(0)=true and check(1)=true and check(2)=true and check(3)=false) and (cint(allow2(2))>cint(ipstr(2))) then checkip=true end if end function %> <% '列举使用HTML表单提交的所有值 For Each item In Request.Form Response.Write Request.Form(item) Next %> 列举使用HTML表单提交的所有值 利用ASP得到图片尺寸大小 <% imgpath="default_22.gif" set pp=new imgInfo w = pp.imgW(server.mappath(imgpath)) h = pp.imgH(server.mappath(imgpath)) set pp=nothing response.write "<img src='"&imgpath&"' border=0><br>宽:"&w&";高:"&h Class imgInfo dim aso Private Sub Class_Initialize set aso=CreateObject("Adodb.Stream") aso.Mode=3 aso.Type=1 aso.Open End Sub Private Sub Class_Terminate err.clear set aso=nothing End Sub Private Function Bin2Str(Bin) Dim I, Str (编辑:聊城站长网) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |
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