What are the advantages of the Struts2 framework?

Some advantages of the Struts2 framework include:

1. Struts2 uses the MVC (Model-View-Controller) design pattern to separate different layers of the application, making the code clearer, easier to maintain, and expand.
2. Flexibility: The Struts2 framework enables developers to define the relationships and behaviors between various components through configuration files, allowing for flexible configuration and customized development.
3. Extensive tag library: Struts2 comes with a wide range of tags that developers can use to generate HTML forms, validate data, display information, and streamline the process of web page development.
4. Internationalization support: Struts2 framework comes with built-in internationalization support, where multiple language resource files can be defined in the configuration file. Developers can automatically switch to display the corresponding resources based on the user’s language environment.
5. Highly extensible: The Struts2 framework offers many plugins and extension points, allowing developers to increase additional functionality and expand the capabilities of the framework through plugins.
6. Security: The Struts2 framework has good security measures in place, allowing for user request permissions to be controlled through configuration files, thus preventing potential security vulnerabilities.
7. Robust data validation: Struts2 offers a powerful data validation mechanism that allows user input data to be validated through configuration files, reducing code redundancy and repetition.
8. The Struts2 framework has a wide user base and active development community, providing abundant documentation, tutorials, and sample code for developers to easily find methods and resources to solve problems.