asp.net获取ip地址
public static string GetIP()
{
string ip = string.Empty;
try
{
if (System.Web.HttpContext.Current != null)
{
if (System.Web.HttpContext.Current.Request.ServerVariables["HTTP_VIA"] != null) // 服务器, using proxy
{
//得到真实的客户端地址
ip = System.Web.HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString(); // Return real client IP.
}
else//如果没有使用代理服务器或者得不到客户端的ip not using proxy or can't get the Client IP
{
//得到服务端的地址要判断 System.Web.HttpContext.Current 为空的情况
ip = System.Web.HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"].ToString(); //While it can't get the Client IP, it will return proxy IP.
}
}
}
catch (Exception ep)
{
ip = "没有正常获取IP," + ep.Message;
}
return ip;
}

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