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src/main/java/org/example/config/MySpringServletInit.java

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+package org.example.config;
+
+import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
+
+public class MySpringServletInit extends AbstractAnnotationConfigDispatcherServletInitializer {
+
+    @Override
+    protected Class<?>[] getRootConfigClasses() {
+        return null;
+    }
+
+    @Override
+    protected Class<?>[] getServletConfigClasses() {
+        return new Class[] {SpringConfig.class};
+    }
+
+    @Override
+    protected String[] getServletMappings() {
+        return new String[] {"/"};
+    }
+}

src/main/java/org/example/config/SpringConfig.java

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+package org.example.config;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.ViewResolverRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+import org.thymeleaf.spring5.SpringTemplateEngine;
+import org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver;
+import org.thymeleaf.spring5.view.ThymeleafViewResolver;
+
+@Configuration
+@ComponentScan("org.example")
+@EnableWebMvc
+public class SpringConfig implements WebMvcConfigurer {
+
+    private final ApplicationContext applicationContext;
+
+    @Autowired
+    public SpringConfig(ApplicationContext applicationContext) {
+        this.applicationContext = applicationContext;
+    }
+
+    @Bean
+    public SpringResourceTemplateResolver templateResolver() {
+        SpringResourceTemplateResolver templateResolver = new SpringResourceTemplateResolver();
+        templateResolver.setApplicationContext(applicationContext);
+        templateResolver.setPrefix("/WEB-INF/views/");
+        templateResolver.setSuffix(".html");
+        return templateResolver;
+    }
+
+    @Bean
+    public SpringTemplateEngine templateEngine() {
+        SpringTemplateEngine templateEngine = new SpringTemplateEngine();
+        templateEngine.setTemplateResolver(templateResolver());
+        templateEngine.setEnableSpringELCompiler(true);
+        return templateEngine;
+    }
+
+    @Override
+    public void configureViewResolvers(ViewResolverRegistry registry) {
+        ThymeleafViewResolver resolver = new ThymeleafViewResolver();
+        resolver.setTemplateEngine(templateEngine());
+        registry.viewResolver(resolver);
+    }
+}

src/main/java/org/example/controllers/FirstController.java

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+package org.example.controllers;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import javax.servlet.http.HttpServletRequest;
+
+@Controller
+public class FirstController {
+    @GetMapping("/Hello")
+    public String helloPage(@RequestParam(value = "name") String name, Model model){
+
+        model.addAttribute("message",name);
+        System.out.println(name);
+        return "first/hello";
+    }
+    @GetMapping("/goodbye")
+    public String goobyePage(){
+        return "first/goodbye";
+    }
+}

src/main/webapp/WEB-INF/views/first/goodbye.html

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+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="ISO-8859-1">
+    <title>My app</title>
+</head>
+
+<body>
+
+<p>Hello world!</p>
+
+</body>
+
+</html>

src/main/webapp/WEB-INF/views/first/hello.html

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+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org" lang="en">
+
+<head>
+    <meta charset="ISO-8859-1">
+    <title>My app</title>
+</head>
+
+<body>
+
+<p>Hello world!</p>
+
+<p th:text="${message}"></p>
+
+</body>
+
+</html>