import java.net.InetAddress;import java.net.UnknownHostException;import javax.servlet.http.HttpServletRequest;
/** * 获取当前网络ip * @param request * @return */ 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.getRemoteAddr(); if(ip.equals("127.0.0.1") || ip.equals("0:0:0:0:0:0:0:1")){ //根据网卡取本机配置的IP InetAddress inet=null; try { inet = InetAddress.getLocalHost(); } catch (UnknownHostException e) { e.printStackTrace(); } ip= inet.getHostAddress(); } } //对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割 if(ip!=null && ip.length()>15){ //"***.***.***.***".length() = 15 if(ip.indexOf(",")>0){ ip = ip.substring(0,ip.indexOf(",")); } } return ip; }