IP地址分段计算
<script language="JScript" Runat="Server">
function IPDeCode(EIP){
var Ip1,Ip2,Ip3,Ip4;
Ip1 = moveByteR(EIP & 0xff000000,3);
Ip2 = moveByteR(EIP & 0x00ff0000,2);
Ip3 = moveByteR(EIP & 0x0000ff00,1);
Ip4 = EIP & 0x000000ff;
return Ip1 + "." + Ip2 + "." + Ip3 + "." + Ip4;
}
function moveByteL(num,bytenum){
return num <<= (bytenum*8)
}
function moveByteR(num,bytenum){
return num >>>= (bytenum*8)
}
</script>
在vbs中没有位操作,这样在一个页面中用到了js和vbs,并不好,如果用vbs也可以,不过罗嗦了一些,而且有一点注意,如果在vbs中split("202.102.29.6","."),会得到202,102,29三个数,得不到最后一个6,所以需要将ip换成split("202.102.29.6" & ".",".")
我用vbs做的,由于没有位操作,所以做得比较麻烦
<%
function ip2int(ipstr)
dim iptemp,max
iptemp = split(ipstr&".",".")
max = ubound(iptemp)
if max <> 4 then
exit function
end if
dim a,b,i
a = "&H"
for i = 0 to 3
b = Hex(iptemp(i))
if len(b) = 1 then
b = "0"&b
end if
a = a&b
next
ip2int = CLng(a)
end function
function int2ip(ip)
dim iptemp,a,ipstr,i,length
iptemp = Hex(ip)
length = 8 - len(iptemp)
for i = 1 to length
iptemp = "0" & iptemp
next
a = left(iptemp,2)
a = "&H" & a
i = CInt(a)
a = CStr(i)
ipstr = a & "."
a = mid(iptemp,3,2)
a = "&H" & a
i = CInt(a)
a = CStr(i)
ipstr = ipstr & a & "."
a = mid(iptemp,5,2)
a = "&H" & a
i = CInt(a)
a = CStr(i)
ipstr = ipstr & a & "."
a = right(iptemp,2)
a = "&H" & a
i = CInt(a)
a = CStr(i)
ipstr = ipstr & a
int2ip = ipstr
end function
dim testIP,testInt
testIP="202.102.29.6"
testInt = ip2int(testIP)
response.write testIP & " will be encoded to <font color=red>" & testInt & "</font><br>"
response.write testIP & " will be dencoded to <font color=red>" & int2ip(testInt) & "</font><br>"
%>
相关文章
- 在Thinkphp3.2.3框架下实现自动获取客户端IP地址的get_client_ip()函数
- ASP.NET CORE下取IP地址
- 在Thinkphp3.2.3框架下实现自动获取客户端IP地址的get_client_ip()函数
- asp下实现格式化文件大小以MB显示的函数
- 改进一下asp自带的formatNumber函数
- asp下取得客户端IP地址函数 转换IP地址函数
- ASP UTF-8编码下字符串截取和获取长度函数
- 在ASP.NET 2.0中操作数据之七十四:用Managed Code创建存储过程和用户自定义函数(下部分)
- asp下DateDiff 函数参数说明
- asp 下用正则表达式检测邮箱格式的函数