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Hit Counter Application in JSP
In this article, we will learn how to develop Hit Counter Application in JSP. Please read our previous article where we develop a Page Redirection Application in JSP.
In this example, we will let the user know about the number of visits on a particular web page. We are creating an index.jsp page where the user will first land as a home page. Then we will implement hit counter using getAttribute() and setAttribute() methods. We are using setAttribute() to set a hit counter variable and to reset the same and getAttribute() to read the current value of the hit counter, every time a user accesses that particular web page.
index.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ page import="java.io.*,java.util.*"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<%
Integer hitsCount = (Integer) application.getAttribute("hitCounter");
if (hitsCount == null || hitsCount == 0) {
/* First visit */
out.println("Welcome to my website!");
hitsCount = 1;
} else {
/* return visit */
out.println("Welcome back to my website!");
hitsCount += 1;
}
application.setAttribute("hitCounter", hitsCount);
%>
<p>
Total number of visits:
<%=hitsCount%></p>
</body>
</html>
Output
Run your index.jsp to get the following output:
Now refresh the page, you will get the following output:
Here, you can see the number of visits increased by 1, likewise, the number of times you will visit the page the counter will increase by1.
In the next article, I am going to discuss How to develop Auto Page Refresh Application in JSP. Here, in this article, we develop Hits Counter Application in JSP and I hope you enjoy this Hits Counter Application in JSP article.
About the Author: Pranaya Rout
Pranaya Rout has published more than 3,000 articles in his 11-year career. Pranaya Rout has very good experience with Microsoft Technologies, Including C#, VB, ASP.NET MVC, ASP.NET Web API, EF, EF Core, ADO.NET, LINQ, SQL Server, MYSQL, Oracle, ASP.NET Core, Cloud Computing, Microservices, Design Patterns and still learning new technologies.