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/**      * 获取当前网络ip      * @param request      * @return      */      public String getIpAddr(HttpServletRequest request){          String ipAddress = request.getHeader("x-forwarded-for");              if(ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {                  ipAddress = request.getHeader("Proxy-Client-IP");              }              if(ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {                  ipAddress = request.getHeader("WL-Proxy-Client-IP");              }              if(ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {                  ipAddress = request.getRemoteAddr();                  if(ipAddress.equals("127.0.0.1") || ipAddress.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();                      }                      ipAddress= 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(ipAddress!=null && ipAddress.length()>15){ //"***.***.***.***".length() = 15                  if(ipAddress.indexOf(",")>0){                      ipAddress = ipAddress.substring(0,ipAddress.indexOf(","));                  }              }              return ipAddress;

}