C#获取IP地址

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获得公网IP

private string GetClientIP()
{
string result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (null == result || result == String.Empty)
{
result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
}

if (null == result || result == String.Empty)
{
result = HttpContext.Current.Request.UserHostAddress;
}
return result;
}

获得局域网IP：

string ipAddr = Dns.GetHostEntry(Dns.GetHostName()).AddressList[2].ToString();

C#获取IP地址

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原文地址：http://www.cnblogs.com/xsj1989/p/5509871.html