java获取登录用户ip地址

public class IPUtil {

/**
* 获取ip
* @param request
* @return
*/
public static String getIp(HttpServletRequest request) {
if (request == null)
return "";
String ip = request.getHeader("X-Requested-For");
if (StringUtil.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("X-Forwarded-For");
}
if (StringUtil.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("Proxy-Client-IP");
}
if (StringUtil.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("WL-Proxy-Client-IP");
}
if (StringUtil.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_CLIENT_IP");
}
if (StringUtil.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_X_FORWARDED_FOR");
}
if (StringUtil.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
ip = request.getRemoteAddr();
}

if("0:0:0:0:0:0:0:1".equals(ip)){
return "127.0.0.1";
}
return ip;
}


public static boolean isLocalHost(String ip){
return "127.0.0.1".equals(ip) || "localhost".equals(ip);
}
}

直接调用就完事了