Java 使用HttpServletRequest获取请求发件人的URL

如何使用HttpServletRequest获取源域？ 源域是请求者的域

InetAddress ip = InetAddress.getLocalHost();
String hostname = ip.getHostName();
out.print("Your current IP address : " + ip+"\n");
out.print("Your current Hostname : " + hostname);

谢谢。

你也可以

// gets client (browser)'s hostname
String host = request.getRemoteHost(); 

InetAddress ip = InetAddress.getLocalHost();
String hostname = ip.getHostName();
out.print("Your current IP address : " + ip+"\n");
out.print("Your current Hostname : " + hostname);

或

InetAddress ip = InetAddress.getLocalHost();
String hostname = ip.getHostName();
out.print("Your current IP address : " + ip+"\n");
out.print("Your current Hostname : " + hostname);

---

主机名请求

InetAddress ip = InetAddress.getLocalHost();
String hostname = ip.getHostName();
out.print("Your current IP address : " + ip+"\n");
out.print("Your current Hostname : " + hostname);

---

要获取源域，可以使用

request.getHeader（“origin”）

---

特别是当请求必须通过代理服务器时。

getRemoteHost（）返回客户端（或代理）的主机。@BalusC:是的，我现在意识到了。更新了答案。：）只有当Java直接从浏览器接收到请求时，客户端主机名才起作用。如果Java支持F5big-IP之类的东西，那么应该使用request.getHeader（“X-FORWARDED-FOR”）或随客户机主机名传入的任何请求头来获取实际的客户机主机名。getRemoteHost（）将只提供负载平衡器的IP或域名，因为这是向Java发送请求的原因。

InetAddress ip = InetAddress.getLocalHost();
String hostname = ip.getHostName();
out.print("Your current IP address : " + ip+"\n");
out.print("Your current Hostname : " + hostname);