asp.net 跟js获取 ip地址

 1 //方法一
 2  HttpContext.Current.Request.UserHostAddress; 
 3 
 4  //方法二
 5 HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
 6 
 7 //方法三
 8 string strHostName = System.Net.Dns.GetHostName();
 9 string clientIPAddress = System.Net.Dns.GetHostAddresses(strHostName).GetValue(0).ToString();
10 
11 //方法四（无视代理）
12 HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];

//方法五
var ip = '<!--#echo var="REMOTE_ADDR"-->';
alert("Your IP address is "+ip);

//方法六（无视代理）
function GetLocalIPAddress() 
{ 
    var obj = null; 
    var rslt = ""; 
    try 
    { 
        obj = new ActiveXObject("rcbdyctl.Setting"); 
        rslt = obj.GetIPAddress; 
        obj = null; 
    } 
    catch(e) 
    { 
        // 
    } 
     
    return rslt; 
}