1. Add the JAR package

<dependency>    <groupId>org.springframework.boot</groupId>    <artifactId>spring-boot-starter-thymeleaf</artifactId></dependency>
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2. Configuration file Settings

spring.thymeleaf.cache=falsespring.thymeleaf.prefix=classpath:/templates/spring.thymeleaf.suffix=.htmlspring.thymeleaf.e ncoding=UTF-8spring.thymeleaf.content-type=text/htmlspring.thymeleaf.mode=LEGACYHTML5Copy the code

3. Java background code

@Controllerpublic class TestController { @Autowired TestService testService; @RequestMapping("/") public String testThymeleaf(ModelMap modelMap){ modelMap.addAttribute("msg", "helloworld"); return "index"; }}Copy the code

4. Page design

You must put it in the specified folder, which is resource/templates, as follows

<! DOCTYPE html><html lang="en" xmlns:th="http://www.w3.org/1999/xhtml"><head><meta charset="UTF-8"><title>index</title></head><body><h1 th:text="${msg}"></h1></body></html>Copy the code