java - 如何从 Struts2/Servlet 中的 Apache Web 服务器获取客户端 IP 地址？

Question

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Answer 1

servlet 中客户端的 IP 地址你可以这样得到 -

HttpServletRequest httpServletRequest = (HttpServletRequest) request;

// Proxy
String userIpAddress = httpServletRequest.getHeader("X-Forwarded-For");

if(userIpAddress == null) {
   userIpAddress = request.getRemoteAddr();
}