java InetAddress.getByName(host) 前的斜线
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原文地址: http://stackoverflow.com/questions/7361802/
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Slash before InetAddress.getByName(host)
提问by P R
How do I remove the slash in the output of InetAddress.getbyName?
如何删除输出中的斜线InetAddress.getbyName？
UPDATE
更新
Thanks everyone, I just did it.
谢谢大家，我刚刚做到了。
One of the solutions is:
解决方案之一是：
String ip_old = myInetaddress.toString();
String ip_new = ip_old.substring(1);
回答by Mark Peters
If you just want the IP, use the host address:
如果您只需要 IP，请使用主机地址：
String address = InetAddress.getByName("stackoverflow.com").getHostAddress();
If you just want the host name, use
如果您只想要主机名，请使用
String hostname = InetAddress.getByName("stackoverflow.com").getHostName();
Edit
编辑
The slash you're seeing is probably when you do an implicit toString()on the returned InetAddressas you try to print it out, which prints the host name and address delimited by a slash (e.g. stackoverflow.com/64.34.119.12). You could use
您看到的斜杠可能是当您toString()在InetAddress尝试打印时对返回的内容进行隐式操作时，它会打印由斜杠（例如stackoverflow.com/64.34.119.12）分隔的主机名和地址。你可以用
String address = InetAddress.getByName("stackoverflow.com").toString().split("/")[1];
String hostname = InetAddress.getByName("stackoverflow.com").toString().split("/")[0];
But there is no reason at all to go to a Stringintermediary here. InetAddresskeeps the two fields separate intrinsically.
但是完全没有理由去String这里找中介。 InetAddress保持两个领域本质上分开。
回答by Chris Aldrich
I'm assuming you are doing a toString after this? Why don't you just use normal String manipulation, meaning substring?
我假设您在此之后正在执行 toString ？为什么不使用普通的字符串操作，即子字符串？
