//方法一 HttpContext.Current.Request.UserHostAddress; //方法二 HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"]; //方法三 string strHostName = System.Net.Dns.GetHostName(); string clientIPAddress = System.Net.Dns.GetHostAddresses(strHostName).GetValue(0).ToString(); //方法四(无视代理) HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
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