Java Web統計站點訪問次數並記錄訪問者的IP
阿新 • • 發佈：2019-02-18
<%@ page import="java.text.SimpleDateFormat" %> <%@ page import="java.util.Date" %> <%@ page import="java.util.Set" %> <%@ page import="java.util.HashSet" %> <%@ page import="util.NetWork" %> <%@ page contentType="text/html;charset=UTF-8" %> <html> <head> <title>訪問</title> </head> <body> <% String ip = new NetWork().getIP(request); Set<String> set = (Set<String>) application.getAttribute("ips"); if (set == null) { set = new HashSet<>(); /*application.setAttribute("ips", set);*/ } set.add(ip); application.setAttribute("ips", set); %> <%String data = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());%> 您是第<%=set.size()%>個訪問者，訪問IP為:<%=ip%>，本次訪問時間:<%=data%><br/> <% Integer sessionCount = (Integer) session.getAttribute("sessionCount"); if (sessionCount == null) { sessionCount = 0; } sessionCount = sessionCount + 1; session.setAttribute("sessionCount", sessionCount); Integer applicationCount = (Integer) application.getAttribute("applicationCount"); if (applicationCount == null) { applicationCount = 0; } applicationCount = applicationCount + 1; application.setAttribute("applicationCount", applicationCount); %> 當前回話共訪問<%=sessionCount%>次，本站共訪問<%=applicationCount%>次 </body> </html>
Java Web獲取訪問者IP的方式參見另一篇部落格