获取访问量(重复IP不累计)

来源:互联网 发布:java 开源框架 编辑:程序博客网 时间:2024/05/19 19:32

<import="java.util.ArrayList"%>
<import="java.util.List"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
  String ip=request.getRemoteAddr();//获取当前Ip地址
  List list=(List)application.getAttribute("list");
  if(list==null){
   list=new ArrayList();
  }
  if(list.contains(ip)==false)
  {
   boolean a= list.add(ip);
   if(a){
    out.print("添加成功");
   }
  
  }
  application.setAttribute("list", list);
%>
<%
  for(int i=0;i<list.size();i++)
  {
   out.print(list.get(i));
   out.print("<br>");
  }
%>
</body>
</html>

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