南强小屋 Design By 杰米
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
For I=1 to LenB(Bin)
clow=MidB(Bin,I,1)
if ASCB(clow)<128 then
Str = Str & Chr(ASCB(clow))
else
I=I+1
if I <= LenB(Bin) then Str = Str & Chr(ASCW(MidB(Bin,I,1)&clow))
end if
Next
Bin2Str = Str
End Function
Private Function Num2Str(num,base,lens)
dim ret
ret = ""
while(num>=base)
ret = (num mod base) & ret
num = (num - num mod base)/base
wend
Num2Str = right(string(lens,"0") & num & ret,lens)
End Function
Private Function Str2Num(str,base)
dim ret
ret = 0
for i=1 to len(str)
ret = ret *base + cint(mid(str,i,1))
next
Str2Num=ret
End Function
Private Function BinVal(bin)
dim ret
ret = 0
for i = lenb(bin) to 1 step -1
ret = ret *256 + ascb(midb(bin,i,1))
next
BinVal=ret
End Function
Private Function BinVal2(bin)
dim ret
ret = 0
for i = 1 to lenb(bin)
ret = ret *256 + ascb(midb(bin,i,1))
next
BinVal2=ret
End Function
Private Function getImageSize(filespec)
dim ret(3)
aso.LoadFromFile(filespec)
bFlag=aso.read(3)
select case hex(binVal(bFlag))
case "4E5089":
aso.read(15)
ret(0)="PNG"
ret(1)=BinVal2(aso.read(2))
aso.read(2)
ret(2)=BinVal2(aso.read(2))
case "464947":
aso.read(3)
ret(0)="GIF"
ret(1)=BinVal(aso.read(2))
ret(2)=BinVal(aso.read(2))
case "535746":
aso.read(5)
binData=aso.Read(1)
sConv=Num2Str(ascb(binData),2 ,8)
nBits=Str2Num(left(sConv,5),2)
sConv=mid(sConv,6)
while(len(sConv)<nBits*4)
binData=aso.Read(1)
sConv=sConv&Num2Str(ascb(binData),2 ,8)
wend
ret(0)="SWF"
ret(1)=int(abs(Str2Num(mid(sConv,1*nBits+1,nBits),2)-Str2Num(mid(sConv,0*nBits+1,nBits),2))/20)
ret(2)=int(abs(Str2Num(mid(sConv,3*nBits+1,nBits),2)-Str2Num(mid(sConv,2*nBits+1,nBits),2))/20)
case "FFD8FF":
do
do: p1=binVal(aso.Read(1)): loop while p1=255 and not aso.EOS
if p1>191 and p1<196 then exit do else aso.read(binval2(aso.Read(2))-2)
do:p1=binVal(aso.Read(1)):loop while p1<255 and not aso.EOS
loop while true
aso.Read(3)
ret(0)="JPG"
ret(2)=binval2(aso.Read(2))
ret(1)=binval2(aso.Read(2))
case else:
if left(Bin2Str(bFlag),2)="BM" then
aso.Read(15)
ret(0)="BMP"
ret(1)=binval(aso.Read(4))
ret(2)=binval(aso.Read(4))
else
ret(0)=""
end if
end select
ret(3)="width=""" & ret(1) &""" height=""" & ret(2) &""""
getimagesize=ret
End Function
Public Function imgW(pic_path)
Set fso1 = server.CreateObject("Scripting.FileSystemObject")
If (fso1.FileExists(pic_path)) Then
Set f1 = fso1.GetFile(pic_path)
ext=fso1.GetExtensionName(pic_path)
select case ext
case "gif","bmp","jpg","png":
arr=getImageSize(f1.path)
imgW = arr(1)
end select
Set f1=nothing
else
imgW = 0
End if
Set fso1=nothing
End Function
Public Function imgH(pic_path)
Set fso1 = server.CreateObject("Scripting.FileSystemObject")
If (fso1.FileExists(pic_path)) Then
Set f1 = fso1.GetFile(pic_path)
ext=fso1.GetExtensionName(pic_path)
select case ext
case "gif","bmp","jpg","png":
arr=getImageSize(f1.path)
imgH = arr(2)
end select
Set f1=nothing
else
imgH = 0
End if
Set fso1=nothing
End Function
End Class
%>
客户端屏幕分辨率:Request.SERVERVARIABLES("HTTP_UA_PIXELS")
如何判断URL格式是否符合规范?
<% function checkisUrl(tmpString)
dim c,i checkisUrl = true tmpString=Lcase(trim(tmpString)) if left(tmpString,7)<>"http://" then tmpStri ... //"&tmpString for i = 8 to Len(checkisUrl) c = Lcase(Mid(tmpString, i, 1)) if InStr("abcdefghijklmnopqrstuvwxyz_-./\", c) <= 0 and not IsNumeric(c) then checkisUrl = false exit function end if next if Left(tmpString, 1) = "." or Right(tmpString, 1) = "." then checkisUrl = false exit function end if if InStr(tmpString, ".") <= 0 then checkisUrl = false response.Write "f3" exit function end if if InStr(checkisUrl, "..") > 0 then checkisUrl = false end if
end function%><%
if checkisUrl(request("u"))=true then %>恭喜,你的URL通过!<%else %>对不起,你的URL不合乎规范,请重新检查!<%end if%>
如何利用数据库内容建立一个下拉式列表?
<% myDSN="DSN=xur;uid=xur;pwd=xur"mySQL="select * from authors where AU_ID<100"set conntemp=server.createobject("adodb.connection")conntemp.open myDSNset rstemp=conntemp.execute(mySQL)if rstemp.eof thenresponse.write "噢,数据库为空!"response.write mySQLconntemp.closeset conntemp=nothingresponse.end end if%><%do until rstemp.eof %><%rstemp.movenextlooprstemp.closeset rstemp=nothingconntemp.closeset conntemp=nothing' 清空对象%>
'获取用户真实IP函数
Function GetIP()
GetIP = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
If GetIP = "" Then GetIP = Request.ServerVariables("REMOTE_ADDR")
End Function
'获取完整地址栏地址
Function GetUrl()
GetUrl="http://"&Request.ServerVariables("SERVER_NAME")&Request.ServerVariables("URL")
If Request.ServerVariables("QUERY_STRING")<>"" Then GetURL=GetUrl&"?"& Request.ServerVariables("QUERY_STRING")
End Function
'获取本页文件名
Function SelfName()
SelfName = Mid(Request.ServerVariables("URL"),InstrRev(Request.ServerVariables("URL"),"/")+1)
End Function
'获取文件后缀名
Function GetExt(filename)
GetExt = Mid(filename,InstrRev(filename,".")+1)
End Function
'求字符串长度函数
Function GetLength(str)
Dim i,length
For i = 1 to Len(str)
If Asc(Mid(str,i,1))<0 or Asc(Mid(str,i,1))>256 Then
length = length+2
Else
length = length+1
End If
Next
GetLength = length
End Function
'过滤不良字符
Function ChkBadWords(fString)
Dim BadWords,bwords,i
BadWords = "我操|操你|操他|你妈的|他妈的|狗|杂种|屄|屌|王八|强奸|做爱|处女|泽民|法轮|法伦|洪志|法輪"
If Not(IsNull(BadWords) or IsNull(fString)) Then
bwords = Split(BadWords, "|")
For i = 0 to UBound(bwords)
fString = Replace(fString, bwords(i), string(Len(bwords(i)),"*"))
Next
ChkBadWords = fString
End If
End Function
'防止外部提交
Function ChkPost()
Dim URL1,URL2
ChkPost = False
URL1 = Cstr(Request.ServerVariables("HTTP_REFERER"))
URL2 = Cstr(Request.ServerVariables("SERVER_NAME"))
If Mid(URL1,8,Len(URL2))<>URL2 Then
ChkPost = False
Else
ChkPost = True
End If
End Function
'过滤HTML字符函数
Function HTMLEncode(fString)
If Not IsNull(fString) And fString <> "" Then
fString = Replace(fString, "&", "&")
fString = Replace(fString, ">", ">")
fString = Replace(fString, "<", "<")
fString = Replace(fString, Chr(32), " ")
fString = Replace(fString, Chr(9), " ")
fString = Replace(fString, Chr(34), """)
fString = Replace(fString, Chr(39), "'")
fString = Replace(fString, Chr(13), "")
fString = Replace(fString, Chr(10) & Chr(10), "</P><P>")
fString = Replace(fString, Chr(10), "<BR>")
fString = Replace(fString, Chr(255), " ")
HTMLEncode = fString
End If
End Function
'清除HTML标记
Function stripHTML(strHTML)
Dim objRegExp,strOutput
Set objRegExp = New Regexp
objRegExp.IgnoreCase = True
objRegExp.Global = True
objRegExp.Pattern = "<.+?>"
strOutput = objRegExp.Replace(strHTML,"")
strOutput = Replace(strOutput, "<","<")
strOutput = Replace(strOutput, ">",">")
stripHTML = strOutput
Set objRegExp = Nothing
End Function
<%
'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
For I=1 to LenB(Bin)
clow=MidB(Bin,I,1)
if ASCB(clow)<128 then
Str = Str & Chr(ASCB(clow))
else
I=I+1
if I <= LenB(Bin) then Str = Str & Chr(ASCW(MidB(Bin,I,1)&clow))
end if
Next
Bin2Str = Str
End Function
Private Function Num2Str(num,base,lens)
dim ret
ret = ""
while(num>=base)
ret = (num mod base) & ret
num = (num - num mod base)/base
wend
Num2Str = right(string(lens,"0") & num & ret,lens)
End Function
Private Function Str2Num(str,base)
dim ret
ret = 0
for i=1 to len(str)
ret = ret *base + cint(mid(str,i,1))
next
Str2Num=ret
End Function
Private Function BinVal(bin)
dim ret
ret = 0
for i = lenb(bin) to 1 step -1
ret = ret *256 + ascb(midb(bin,i,1))
next
BinVal=ret
End Function
Private Function BinVal2(bin)
dim ret
ret = 0
for i = 1 to lenb(bin)
ret = ret *256 + ascb(midb(bin,i,1))
next
BinVal2=ret
End Function
Private Function getImageSize(filespec)
dim ret(3)
aso.LoadFromFile(filespec)
bFlag=aso.read(3)
select case hex(binVal(bFlag))
case "4E5089":
aso.read(15)
ret(0)="PNG"
ret(1)=BinVal2(aso.read(2))
aso.read(2)
ret(2)=BinVal2(aso.read(2))
case "464947":
aso.read(3)
ret(0)="GIF"
ret(1)=BinVal(aso.read(2))
ret(2)=BinVal(aso.read(2))
case "535746":
aso.read(5)
binData=aso.Read(1)
sConv=Num2Str(ascb(binData),2 ,8)
nBits=Str2Num(left(sConv,5),2)
sConv=mid(sConv,6)
while(len(sConv)<nBits*4)
binData=aso.Read(1)
sConv=sConv&Num2Str(ascb(binData),2 ,8)
wend
ret(0)="SWF"
ret(1)=int(abs(Str2Num(mid(sConv,1*nBits+1,nBits),2)-Str2Num(mid(sConv,0*nBits+1,nBits),2))/20)
ret(2)=int(abs(Str2Num(mid(sConv,3*nBits+1,nBits),2)-Str2Num(mid(sConv,2*nBits+1,nBits),2))/20)
case "FFD8FF":
do
do: p1=binVal(aso.Read(1)): loop while p1=255 and not aso.EOS
if p1>191 and p1<196 then exit do else aso.read(binval2(aso.Read(2))-2)
do:p1=binVal(aso.Read(1)):loop while p1<255 and not aso.EOS
loop while true
aso.Read(3)
ret(0)="JPG"
ret(2)=binval2(aso.Read(2))
ret(1)=binval2(aso.Read(2))
case else:
if left(Bin2Str(bFlag),2)="BM" then
aso.Read(15)
ret(0)="BMP"
ret(1)=binval(aso.Read(4))
ret(2)=binval(aso.Read(4))
else
ret(0)=""
end if
end select
ret(3)="width=""" & ret(1) &""" height=""" & ret(2) &""""
getimagesize=ret
End Function
Public Function imgW(pic_path)
Set fso1 = server.CreateObject("Scripting.FileSystemObject")
If (fso1.FileExists(pic_path)) Then
Set f1 = fso1.GetFile(pic_path)
ext=fso1.GetExtensionName(pic_path)
select case ext
case "gif","bmp","jpg","png":
arr=getImageSize(f1.path)
imgW = arr(1)
end select
Set f1=nothing
else
imgW = 0
End if
Set fso1=nothing
End Function
Public Function imgH(pic_path)
Set fso1 = server.CreateObject("Scripting.FileSystemObject")
If (fso1.FileExists(pic_path)) Then
Set f1 = fso1.GetFile(pic_path)
ext=fso1.GetExtensionName(pic_path)
select case ext
case "gif","bmp","jpg","png":
arr=getImageSize(f1.path)
imgH = arr(2)
end select
Set f1=nothing
else
imgH = 0
End if
Set fso1=nothing
End Function
End Class
%>
客户端屏幕分辨率:Request.SERVERVARIABLES("HTTP_UA_PIXELS")
如何判断URL格式是否符合规范?
<% function checkisUrl(tmpString)
dim c,i checkisUrl = true tmpString=Lcase(trim(tmpString)) if left(tmpString,7)<>"http://" then tmpStri ... //"&tmpString for i = 8 to Len(checkisUrl) c = Lcase(Mid(tmpString, i, 1)) if InStr("abcdefghijklmnopqrstuvwxyz_-./\", c) <= 0 and not IsNumeric(c) then checkisUrl = false exit function end if next if Left(tmpString, 1) = "." or Right(tmpString, 1) = "." then checkisUrl = false exit function end if if InStr(tmpString, ".") <= 0 then checkisUrl = false response.Write "f3" exit function end if if InStr(checkisUrl, "..") > 0 then checkisUrl = false end if
end function%><%
if checkisUrl(request("u"))=true then %>恭喜,你的URL通过!<%else %>对不起,你的URL不合乎规范,请重新检查!<%end if%>
如何利用数据库内容建立一个下拉式列表?
<% myDSN="DSN=xur;uid=xur;pwd=xur"mySQL="select * from authors where AU_ID<100"set conntemp=server.createobject("adodb.connection")conntemp.open myDSNset rstemp=conntemp.execute(mySQL)if rstemp.eof thenresponse.write "噢,数据库为空!"response.write mySQLconntemp.closeset conntemp=nothingresponse.end end if%><%do until rstemp.eof %><%rstemp.movenextlooprstemp.closeset rstemp=nothingconntemp.closeset conntemp=nothing' 清空对象%>
'获取用户真实IP函数
Function GetIP()
GetIP = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
If GetIP = "" Then GetIP = Request.ServerVariables("REMOTE_ADDR")
End Function
'获取完整地址栏地址
Function GetUrl()
GetUrl="http://"&Request.ServerVariables("SERVER_NAME")&Request.ServerVariables("URL")
If Request.ServerVariables("QUERY_STRING")<>"" Then GetURL=GetUrl&"?"& Request.ServerVariables("QUERY_STRING")
End Function
'获取本页文件名
Function SelfName()
SelfName = Mid(Request.ServerVariables("URL"),InstrRev(Request.ServerVariables("URL"),"/")+1)
End Function
'获取文件后缀名
Function GetExt(filename)
GetExt = Mid(filename,InstrRev(filename,".")+1)
End Function
'求字符串长度函数
Function GetLength(str)
Dim i,length
For i = 1 to Len(str)
If Asc(Mid(str,i,1))<0 or Asc(Mid(str,i,1))>256 Then
length = length+2
Else
length = length+1
End If
Next
GetLength = length
End Function
'过滤不良字符
Function ChkBadWords(fString)
Dim BadWords,bwords,i
BadWords = "我操|操你|操他|你妈的|他妈的|狗|杂种|屄|屌|王八|强奸|做爱|处女|泽民|法轮|法伦|洪志|法輪"
If Not(IsNull(BadWords) or IsNull(fString)) Then
bwords = Split(BadWords, "|")
For i = 0 to UBound(bwords)
fString = Replace(fString, bwords(i), string(Len(bwords(i)),"*"))
Next
ChkBadWords = fString
End If
End Function
'防止外部提交
Function ChkPost()
Dim URL1,URL2
ChkPost = False
URL1 = Cstr(Request.ServerVariables("HTTP_REFERER"))
URL2 = Cstr(Request.ServerVariables("SERVER_NAME"))
If Mid(URL1,8,Len(URL2))<>URL2 Then
ChkPost = False
Else
ChkPost = True
End If
End Function
'过滤HTML字符函数
Function HTMLEncode(fString)
If Not IsNull(fString) And fString <> "" Then
fString = Replace(fString, "&", "&")
fString = Replace(fString, ">", ">")
fString = Replace(fString, "<", "<")
fString = Replace(fString, Chr(32), " ")
fString = Replace(fString, Chr(9), " ")
fString = Replace(fString, Chr(34), """)
fString = Replace(fString, Chr(39), "'")
fString = Replace(fString, Chr(13), "")
fString = Replace(fString, Chr(10) & Chr(10), "</P><P>")
fString = Replace(fString, Chr(10), "<BR>")
fString = Replace(fString, Chr(255), " ")
HTMLEncode = fString
End If
End Function
'清除HTML标记
Function stripHTML(strHTML)
Dim objRegExp,strOutput
Set objRegExp = New Regexp
objRegExp.IgnoreCase = True
objRegExp.Global = True
objRegExp.Pattern = "<.+?>"
strOutput = objRegExp.Replace(strHTML,"")
strOutput = Replace(strOutput, "<","<")
strOutput = Replace(strOutput, ">",">")
stripHTML = strOutput
Set objRegExp = Nothing
End Function
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免责声明:本站文章均来自网站采集或用户投稿,网站不提供任何软件下载或自行开发的软件! 如有用户或公司发现本站内容信息存在侵权行为,请邮件告知! 858582#qq.com
南强小屋 Design By 杰米
暂无一些值得一看的代码asp的评论...
稳了!魔兽国服回归的3条重磅消息!官宣时间再确认!
昨天有一位朋友在大神群里分享,自己亚服账号被封号之后居然弹出了国服的封号信息对话框。
这里面让他访问的是一个国服的战网网址,com.cn和后面的zh都非常明白地表明这就是国服战网。
而他在复制这个网址并且进行登录之后,确实是网易的网址,也就是我们熟悉的停服之后国服发布的暴雪游戏产品运营到期开放退款的说明。这是一件比较奇怪的事情,因为以前都没有出现这样的情况,现在突然提示跳转到国服战网的网址,是不是说明了简体中文客户端已经开始进行更新了呢?