C#获取真实IP地址实现方法

2019-12-26 12:16:57于丽

                                return temparyip[i]; //找到不是内网的地址
                            }
                        }
                    }
                    else if ( IsIPAddress ( result ) ) //代理即是IP格式
                        return result;
                    else
                        result = null; //代理中的内容 非IP,取IP
                }
            }

            string IpAddress = ( HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] != null && HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] != String.Empty )  HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] : HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
           
            if ( null == result || result == String.Empty )
                result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];

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

            return result;
        }
    }

     //是否ip格式
    public static bool IsIPAddress ( string str1 )