C#(局域网)获取外网IP
2008-04-08 19:02
471 查看
From: CikerBlog
Form图:
完成图:
只贴获取IP部分的代码:
private void button1_Click(object sender, EventArgs e)
{
textBox1.Text = Dns.Resolve(Dns.GetHostName()).AddressList.GetValue(0).ToString(); //内网IP
textBox2.Text = GetIP(); //外网IP
}
static string GetIP()
{
Uri uri = new Uri("http://www.ciker.net/ip/index.asp");
System.Net.HttpWebRequest req = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(uri);
req.Method = "POST";
req.ContentType = "application/x-www-form-urlencoded";
req.ContentLength = 0;
req.CookieContainer = new System.Net.CookieContainer();
req.GetRequestStream().Write(new byte[0], 0, 0);
System.Net.HttpWebResponse res = (System.Net.HttpWebResponse)(req.GetResponse());
StreamReader rs = new StreamReader(res.GetResponseStream(), System.Text.Encoding.GetEncoding("GB2312"));
string s = rs.ReadToEnd();
rs.Close();
req.Abort();
res.Close();
System.Text.RegularExpressions.Match m = System.Text.RegularExpressions.Regex.Match(s, @"您的IP:(?<IP>[0-9\.]*)");
if (m.Success)
{
return m.Groups["IP"].Value;
}
else
{
return "Failed..";
}
}
Form图:
完成图:
只贴获取IP部分的代码:
{
textBox1.Text = Dns.Resolve(Dns.GetHostName()).AddressList.GetValue(0).ToString(); //内网IP
textBox2.Text = GetIP(); //外网IP
}
static string GetIP()
{
Uri uri = new Uri("http://www.ciker.net/ip/index.asp");
System.Net.HttpWebRequest req = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(uri);
req.Method = "POST";
req.ContentType = "application/x-www-form-urlencoded";
req.ContentLength = 0;
req.CookieContainer = new System.Net.CookieContainer();
req.GetRequestStream().Write(new byte[0], 0, 0);
System.Net.HttpWebResponse res = (System.Net.HttpWebResponse)(req.GetResponse());
StreamReader rs = new StreamReader(res.GetResponseStream(), System.Text.Encoding.GetEncoding("GB2312"));
string s = rs.ReadToEnd();
rs.Close();
req.Abort();
res.Close();
System.Text.RegularExpressions.Match m = System.Text.RegularExpressions.Regex.Match(s, @"您的IP:(?<IP>[0-9\.]*)");
if (m.Success)
{
return m.Groups["IP"].Value;
}
else
{
return "Failed..";
}
}
相关文章推荐
- C#获取本机所有IP地址(包括局域网和本机外网IP)
- C#获取本机所有IP地址(包括局域网和本机外网IP)
- C#获取本机局域网ip和公网ip
- linux 局域网机器如何获取路由器外网IP
- C#获取本机局域网ip和公网ip
- C#获取内、外网IP的类
- c#获取外网IP代码片段
- c#获取所有局域网IP
- C#获取外网IP地址;C#获取所在IP城市地址
- c#获取外网IP地址的方法
- C#获取路由器外网IP,MAC地址的实现代码
- java获取本地局域网的外网IP 笔记
- C#获取本机的外网IP
- c#(WinForm)遍历局域网计算机(电脑)获取IP和计算机名称
- C#获取本机局域网ip和公网ip
- C# Winform程序获取外网IP地址
- C#获取外网IP地址;C#获取所在IP城市地址
- C#获取本机外网IP最简单办法
- C# 获取外网IP和运营商和城市
- C#获取本机内网外网IP