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Building a web application doesn't have to be complicated. In this hands-on guide, we dive into how you can use Spring Boot combined with the FreeMarker Template Engine to create dynamic, efficient, and clean web pages.
Why Choose FreeMarker?
FreeMarker is a powerful Java-based template engine that focuses on the "View" part of the MVC (Model-View-Controller) architecture. It is highly preferred because:
- Speed: It is extremely fast and lightweight.
- Flexibility: It can be used for web pages, emails, or source code generation.
- Clean Code: It keeps your logic separate from your design.
Core Concepts Covered
1. Setting up the Project
We start by adding the spring-boot-starter-freemarker dependency to our Maven pom.xml. This tells Spring Boot to automatically configure the template loader for us.
2. Creating the Controller
We use the @Controller annotation to handle web requests. The controller's job is to prepare the data (the Model) and return the name of the template (the View).
3. Designing the Template
FreeMarker templates use the .ftlh extension. We use special tags like ${variable} to display dynamic data sent from our Java code.
Testing Your Application
Once your code is ready, simply run your Spring Boot application and navigate to localhost:8080. You will see your data rendered beautifully within the HTML structure defined in your FreeMarker template!
Level Up Your Skills
Don't stop here! Watch these related tutorials from Ram N Java to master more Spring Boot features:
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