获取客户端真实IP（转）

@RequestMapping(value=”/test”)
@ResponseBody
public void test1(HttpServletRequest request,Questionnaire quest,String questOptions){
String ipAddress = null;
if (request.getHeader(“x-forwarded-for”) == null) {
ipAddress = request.getRemoteAddr();
}else{
if(request.getHeader(“x-forwarded-for”).length() > 15){
String [] aStr = request.getHeader(“x-forwarded-for”).split(“,”);
ipAddress = aStr[0];
} else{
ipAddress = request.getHeader(“x-forwarded-for”);
}
}

     String terminal = request.getHeader("User-Agent");
    if(terminal.contains("Windows NT")){
        terminal = "PC端";
    }else{
        terminal = "移动端";
    }
    System.out.println("访客IP："+ipAddress);
    System.out.println("用户访问来源："+terminal);
    System.out.println("访问URL："+request.getRequestURL());
}