如何获得客户端IP地址-青岛软件培训-Java培训-Python培训学校-万码学堂

2018-01-11 15:53

如何获得客户端IP地址

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public static String getIp(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();  
   }  
   return ip;  
}