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Developer tools · #thymeleaf
Define markup once with th:fragment, include it with th:replace, and pass data through positional parameters. A worked Spring Boot example plus the insert/replace difference, dynamic selection, and common mistakes.
Learn how to use Thymeleaf's Spring Security dialect to conditionally render UI elements based on authentication and role checks, with a working example, trade‑offs, and actionable steps.
Thymeleaf's th:text escapes HTML while th:utext renders it raw. Learn when each is correct, the XSS risk of getting it wrong, and how to verify your templates.
th:include and th:replace look interchangeable but produce different HTML. Learn why th:replace should be your default for blog headers, footers, and post cards, with a worked Spring Boot example.
Thymeleaf parameterized fragments let one HTML file serve as a component library. Learn how th:fragment, th:replace, and th:insert differ, with a worked badge/card example and the scoping and runtime-failure pitfalls to avoid.
Integrate Thymeleaf’s Spring Security dialect to enforce fine‑grained UI visibility. This note covers minimal architecture, trust boundaries, operational checks, failure modes, and when to revisit the design.
Thymeleaf fragments let you build reusable, parameterized page components from plain HTML files. Learn th:replace vs th:insert, a worked card example, and the pitfalls.
Spring Boot's TemplateInputException often points to missing or misnamed templates, bad view names, or faulty expressions. This guide gives a step‑by‑step diagnostic flow, how to confirm the template is in the JAR, and quick fixes.
Learn how to cache Thymeleaf fragments in Spring Boot 3.2 using Spring's Cache abstraction, covering requirements, minimal design, trust boundaries, operational checks, and when to revisit the design.
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