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批处理和VBS打造获取公网IP的代码
由于个人需要获取外网IP，在网上找到的获取www.ip138.com原代码方法已经失效，论坛提供的方法获取时间太长，实际应用不太理想，以下是我初学VBS写的，速度非常快，但是脚本没有简化，希望高手帮助优化下代码。
代码工作原理：
下载http://www.ip138.com/ip2city.asp，取“您的IP地址是：" 右13位保存到windows目录下 IP.TXT，利用<读取IP.TXT内容并显示，最后得到%n% 就是外网IP地址值，这对我来说用途太大了。
至于大家说是不是原创，我认为没有所谓的原创，我们天生下来是不会VBS的，但是我们会调用代码为我们工作，只要实用有效就行了。
@echo off
echo On Error Resume next >checkip.vbs
echo Url="http://www.ip138.com/ip2city.asp" >>checkip.vbs
echo Set NP = Createobject("Microsoft.XMLHTTP") >>checkip.vbs
echo NP.Open "GET", url, False >>checkip.vbs
echo NP.Send >>checkip.vbs
echo Data=NP.responsebody >>checkip.vbs
echo Set NP = Nothing >>checkip.vbs
echo Data = bytes2BSTR(Data) >>checkip.vbs
echo Here = InstrRev(Data, "您的IP地址是：", -1,0) >>checkip.vbs
echo Data = Mid(Data,Here+9,13) >>checkip.vbs
echo Hers = InstrRev(data, "<",-1,0) >>checkip.vbs
echo Set ICEhack = CreateObject("InternetExplorer.Application") >>checkip.vbs
echo ICEhack.Navigate("about:blank") >>checkip.vbs
echo If Hers ^<^> 0 Then >>checkip.vbs
echo ICEhack.document.parentwindow.clipboardData.SetData "text", Mid(Data,1,Hers-1) >>checkip.vbs
echo Set WshSHell = WScript.CreateObject("WScript.Shell") >>checkip.vbs
echo Set FSO = CreateObject("Scripting.FileSystemObject") >>checkip.vbs
echo Set SCF = FSO.OpenTextFile(FSO.BuildPath(FSO.GetSpecialFolder(0),"ip.txt"),2,True) >>checkip.vbs
echo SCF.Write(Data) >>checkip.vbs
echo SCF.Close >>checkip.vbs
echo Else >>checkip.vbs
echo ICEhack.document.parentwindow.clipboardData.SetData "text", Data >>checkip.vbs
echo Set WshSHell = WScript.CreateObject("WScript.Shell") >>checkip.vbs
echo Set FSO = CreateObject("Scripting.FileSystemObject") >>checkip.vbs
echo Set SCF = FSO.OpenTextFile(FSO.BuildPath(FSO.GetSpecialFolder(0),"ip.txt"),2,True) >>checkip.vbs
echo SCF.Write(Data) >>checkip.vbs
echo SCF.Close >>checkip.vbs
echo End If >>checkip.vbs
echo ICEhack.Quit >>checkip.vbs
echo fso.DeleteFile(WScript.ScriptName) >>checkip.vbs
echo Function bytes2BSTR(vIn) >>checkip.vbs
echo strReturn = "" >>checkip.vbs
echo For i = 1 To LenB(vIn) >>checkip.vbs
echo ThisCharCode = AscB(MidB(vIn,i,1)) >>checkip.vbs
echo If ThisCharCode ^< ^&H80 Then >>checkip.vbs
echo strReturn = strReturn ^& Chr(ThisCharCode) >>checkip.vbs
echo Else >>checkip.vbs
echo NextCharCode = AscB(MidB(vIn,i+1,1)) >>checkip.vbs
echo strReturn = strReturn ^& Chr(CLng(ThisCharCode) * ^&H100 + CInt(NextCharCode)) >>checkip.vbs
echo i = i + 1 >>checkip.vbs
echo End If >>checkip.vbs
echo Next >>checkip.vbs
echo bytes2BSTR = strReturn >>checkip.vbs
echo End Function >>checkip.vbs
checkip.vbs
set/p n=<%windir%\ip.txt&cls
echo 外网IP：%n%
pause>nul
代码工作原理：
下载http://www.ip138.com/ip2city.asp，取“您的IP地址是：" 右13位保存到windows目录下 IP.TXT，利用<读取IP.TXT内容并显示，最后得到%n% 就是外网IP地址值，这对我来说用途太大了。
至于大家说是不是原创，我认为没有所谓的原创，我们天生下来是不会VBS的，但是我们会调用代码为我们工作，只要实用有效就行了。
@echo off
echo On Error Resume next >checkip.vbs
echo Url="http://www.ip138.com/ip2city.asp" >>checkip.vbs
echo Set NP = Createobject("Microsoft.XMLHTTP") >>checkip.vbs
echo NP.Open "GET", url, False >>checkip.vbs
echo NP.Send >>checkip.vbs
echo Data=NP.responsebody >>checkip.vbs
echo Set NP = Nothing >>checkip.vbs
echo Data = bytes2BSTR(Data) >>checkip.vbs
echo Here = InstrRev(Data, "您的IP地址是：", -1,0) >>checkip.vbs
echo Data = Mid(Data,Here+9,13) >>checkip.vbs
echo Hers = InstrRev(data, "<",-1,0) >>checkip.vbs
echo Set ICEhack = CreateObject("InternetExplorer.Application") >>checkip.vbs
echo ICEhack.Navigate("about:blank") >>checkip.vbs
echo If Hers ^<^> 0 Then >>checkip.vbs
echo ICEhack.document.parentwindow.clipboardData.SetData "text", Mid(Data,1,Hers-1) >>checkip.vbs
echo Set WshSHell = WScript.CreateObject("WScript.Shell") >>checkip.vbs
echo Set FSO = CreateObject("Scripting.FileSystemObject") >>checkip.vbs
echo Set SCF = FSO.OpenTextFile(FSO.BuildPath(FSO.GetSpecialFolder(0),"ip.txt"),2,True) >>checkip.vbs
echo SCF.Write(Data) >>checkip.vbs
echo SCF.Close >>checkip.vbs
echo Else >>checkip.vbs
echo ICEhack.document.parentwindow.clipboardData.SetData "text", Data >>checkip.vbs
echo Set WshSHell = WScript.CreateObject("WScript.Shell") >>checkip.vbs
echo Set FSO = CreateObject("Scripting.FileSystemObject") >>checkip.vbs
echo Set SCF = FSO.OpenTextFile(FSO.BuildPath(FSO.GetSpecialFolder(0),"ip.txt"),2,True) >>checkip.vbs
echo SCF.Write(Data) >>checkip.vbs
echo SCF.Close >>checkip.vbs
echo End If >>checkip.vbs
echo ICEhack.Quit >>checkip.vbs
echo fso.DeleteFile(WScript.ScriptName) >>checkip.vbs
echo Function bytes2BSTR(vIn) >>checkip.vbs
echo strReturn = "" >>checkip.vbs
echo For i = 1 To LenB(vIn) >>checkip.vbs
echo ThisCharCode = AscB(MidB(vIn,i,1)) >>checkip.vbs
echo If ThisCharCode ^< ^&H80 Then >>checkip.vbs
echo strReturn = strReturn ^& Chr(ThisCharCode) >>checkip.vbs
echo Else >>checkip.vbs
echo NextCharCode = AscB(MidB(vIn,i+1,1)) >>checkip.vbs
echo strReturn = strReturn ^& Chr(CLng(ThisCharCode) * ^&H100 + CInt(NextCharCode)) >>checkip.vbs
echo i = i + 1 >>checkip.vbs
echo End If >>checkip.vbs
echo Next >>checkip.vbs
echo bytes2BSTR = strReturn >>checkip.vbs
echo End Function >>checkip.vbs
checkip.vbs
set/p n=<%windir%\ip.txt&cls
echo 外网IP：%n%
pause>nul
