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问题描述
我正在运行一个服务器,我想显示我自己的 IP 地址.
I am running a server, and I want to display my own IP address.
获取计算机自己(如果可能,外部)IP 地址的语法是什么?
What is the syntax for getting the computer's own (if possible, external) IP address?
有人写了下面的代码.
IPHostEntry host;
string localIP = "?";
host = Dns.GetHostEntry(Dns.GetHostName());
foreach (IPAddress ip in host.AddressList)
{
if (ip.AddressFamily.ToString() == "InterNetwork")
{
localIP = ip.ToString();
}
}
return localIP;
不过我一般不信任作者,看不懂这段代码.有没有更好的方法?
However, I generally distrust the author, and I don't understand this code. Is there a better way to do so?
推荐答案
不,这几乎是最好的方法.由于一台机器可能有多个 IP 地址,因此您需要迭代它们的集合以找到合适的 IP 地址.
Nope, that is pretty much the best way to do it. As a machine could have several IP addresses you need to iterate the collection of them to find the proper one.
我要唯一改变的就是改变这个:
The only thing I would change would be to change this:
if (ip.AddressFamily.ToString() == "InterNetwork")
为此:
if (ip.AddressFamily == AddressFamily.InterNetwork)
不需要ToString
枚举进行比较.
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