Validating the user through username and password through servlet
The following picture depicts that workflow with Java servlet on the server side: To create a form in HTML we need to use the following tags:package net.codejava.servlet; import
Http Servlet Response; @Web Servlet("/login Servlet") public class Login Servlet extends Http Servlet Here’s an example output when submitting the above login form in browser: So far you have got the ins and outs when handling HTML form data with Java servlet.
A typical scenario is the user fills in fields of a form and submits it. Note that we use the - in the servlet set the value you want to transfer to the JSP page using the set Attribute() method on the request object.- in the JSP page, use the get Attribute() method on the request object to retrieve the value.
The server will process the request based on the submitted data, and send response back to the client. Servlet Exception; import javax.servlet.annotation. To transfer control from a servlet to a JSP page, use the Request Dispatcher() method.
The connectivity with DB should be extracted out of the Servlet for a complex application.
Following MVC, we will let Servlet handle the request.
It will require something more than a few lines of java code for anyone to send.
Handling form data represented in HTML page is a very common task in web development. For your reference, we provide a list of examples for handling common HTML form fields as below.
My SQL Driver : Once we have this we are good to start the Java side development.
Below screen explains how the directory structure will look in your development environment.