本文介绍了一种使用Java从HTTP请求中获取客户端真实IP地址的方法。通过遍历请求头中的不同字段，如x-forwarded-for、Proxy-Client-IP等，可以有效地解析并确定客户端的真实IP地址。
String ip = request.getHeader("x-forwarded-for");
request.getHeader("Proxy-Client-IP");
ip = request.getHeader("WL-Proxy-Client-IP");
ip = request.getRemoteAddr();
////
Enumeration names = request.getHeaderNames();
while(names.hasMoreElements()){
String str = (String)names.nextElement();
out.println("key:"+str+" value:"+request.getHeader(str)+"<br/>");
}
request.getHeader("Proxy-Client-IP");
ip = request.getHeader("WL-Proxy-Client-IP");
ip = request.getRemoteAddr();
////
Enumeration names = request.getHeaderNames();
while(names.hasMoreElements()){
String str = (String)names.nextElement();
out.println("key:"+str+" value:"+request.getHeader(str)+"<br/>");
}
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