后台访问记录

前台

<script type="text/javascript">
	$(document).ready(function () {
		$.getJSON("/portal/visitor/updateVisitor?rn="+Math.random(),function(data){
			if("success"==data.result){
				//parent.location.href="/portal/home/index";
			}
			else{
				alert("logout failure!");
			}
		});			
	});
</script>

 后台处理

@RequestMapping("/updateVisitor")
	public void updateVisitor(HttpServletRequest request,HttpServletResponse response){
		 boolean flag=false;
		 System.out.println(request.getRemoteHost());
		 System.out.println(new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(new Date()));
		 System.out.println(new SimpleDateFormat("yyyy/MM/dd").format(new Date()));
		 
		 
		 
		 List<Visitor> allVisitors = visitorService.findAll();
		 for(Visitor vis:allVisitors){
			 String ip=request.getRemoteHost();
			 if(request.getRemoteHost().equals(vis.getIp())){
				 flag=true;
			 }
		 }
		 
		 if(flag==false){
			 Visitor visitor = new Visitor();
			 visitor.setIp(request.getRemoteHost());
			 visitor.setName("***");
			 visitor.setVisitTime(new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(new Date()));
			 visitor.setVisitDate(new SimpleDateFormat("yyyy/MM/dd").format(new Date()));
			 visitorService.save(visitor);
		 }
		 else{
				 visitorService.updateByIP(request.getRemoteHost(),new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(new Date()),new SimpleDateFormat("yyyy/MM/dd").format(new Date()));
		 }
		 
		 Long totalToday = visitorService.todayVisitor();
		 request.getSession().setAttribute("total", totalToday);
		 JSONObject data = new JSONObject();
			try {
				data.put("result", "success");
			} catch (Exception e) {
				System.out.println(e.getMessage());
			}
			
			
			PrintWriter out = null;
			response.setCharacterEncoding("UTF-8");
			response.setContentType("text/html; charset=UTF-8"); 
		    try {
		    	out=response.getWriter();
		        out.write(data.toString());
		        out.flush();
				out.close();	
		    } catch (IOException e) {
		        e.printStackTrace();
		    }	   
		 
	}

 todayVisitor函数

public Long todayVisitor() {
	SimpleDateFormat df = new SimpleDateFormat("yyyy/MM/dd");
	List<Visitor> list = getSession().createQuery("FROM Visitor v WHERE  v.visitDate like'%"+df.format(new Date())+"%'").list();
	Long count = Long.valueOf(list.size());
	return count;
}