33- Inserting String "Hello world" from java into thymeleaf template
Create a String "Hello World" in java and insert into the required position on Thymeleaf Template to generate new HTML page.
1- Creating a String in Java controller class and using model attribute
thymeleaf-springboot-tutorial --> src/main/java --> net.javaguides.springboot --> HelloWorldContoller.java
package net.javaguides.springboot;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
@Controller
public class HelloWorldController {
@GetMapping("/hello")
public String hello(Model model){
model.addAttribute("message"," Hello World ");
return "helloworld";
}
}
2- Thymeleaf template (helloworld.html)
NOTE : In order to make your html document into thymeleaf template use xmlns:th="//www.thymeleaf.org"
thymeleaf-springboot-tutorial --> src/main/resources --> templates --> helloworld.html
<!DOCTYPE html>
<html xmlns:th="//www.thymeleaf.org">
<head>
<meta charset="ISO-8859-1">
<title>Thymeleaf hello World message App</title>
</head>
<body>
<h1 th:text="'Thymeleaf'+${message}+'App' "></h1>
</body>
</html>
Image 1 - Showing Thymeleaf Engine working Screenshots
Image 2 - Final Result
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