jsp 获取客户端的IP地址 - 云代码
<%@ page language="java" contentType="text/html; charset=GB2312" pageEncoding="GB2312"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>获取客户端的IP地址</title>
</head>
<body>
<%
String realIP = request.getHeader("x-forwarded-for");
if (realIP != null && realIP.length() != 0) {
out.print("你的IP地址是：" + realIP);
} else {
String ip = request.getRemoteAddr();
out.print("你的IP地址是：" + ip);
}
%>
<br>
</body>
</html>