Thymeleaf

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What is Thymeleaf?

Thymeleaf is a Java-based template engine used in web applications to create HTML pages. It helps separate the logic of the application (backend) from the design (frontend). With Thymeleaf, you can write dynamic HTML pages where parts of the page change based on the data from your application. It’s known for being intuitive and easy to learn, which makes it great for beginners.

  • Why use Thymeleaf?

    • Thymeleaf integrates well with Spring Boot.
    • It allows you to write HTML templates that display data dynamically.
    • It’s especially useful for server-side rendering in web applications.

  • Example of Thymeleaf in HTML:                                                                                                         

Here, th:text="${name}" is a Thymeleaf expression that displays the value of the variable name.

For Using Thymeleaf

 Add Thymeleaf Dependency

First, add the Thymeleaf dependency in your Spring Boot project. Include the following code in your pom.xml file:

This will add the Thymeleaf library to your project.

Create an HTML Template

  • Create a standard HTML file with a .html extension and place it in the src/main/resources/templates directory. This is the default location Spring Boot uses for Thymeleaf templates.

Add the Thymeleaf Namespace

  • In the HTML page’s <html> tag, include xmlns:th to allow Thymeleaf tags. Example:
To find the namespace, go to the website usingthymeleaf, scroll down, and select the third option labeled "Using Text."

 Dynamic Data Binding

  • Use th:* attributes in the HTML tags to display dynamic content from the server. For example:
Here, ${msg} is a Thymeleaf variable populated from your server-side controller.

Create a Controller

  • Set up a Spring Controller to handle HTTP requests and pass model data to the Thymeleaf template. Click here to see about Controller.



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