用戶的真實(shí)IP不能直接使用request.getRemoteAddr()，這是因?yàn)榭赡軙?huì)使用一些代理軟件，這樣ip獲取就不準(zhǔn)確了，此外我們?nèi)绻褂昧硕嗉?jí)（LVS/Nginx）反向代理的話，ip需要從X-Forwarded-For中獲得第一個(gè)非unknown的IP才是用戶的有效ip。文章來(lái)源地址http://www.zghlxwxcb.cn/news/detail-678966.html
class IpUtils {
public static String getIpAddr(HttpServletRequest request) {
String ip = request.getHeader("X-Forwarded-For");
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("WL-Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_CLIENT_IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_X_FORWARDED_FOR");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getRemoteAddr();
}
return ip;
}
}
文章來(lái)源：http://www.zghlxwxcb.cn/news/detail-678966.html
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