SpringBoot으로 웹 출시까지 #2

2. thymeleaf를 이용한 화면 작성

1 mythymeleaf 만들기

https://spring.io/guides/gs/serving-web-content/

https://start.spring.io/

project : maven

springboot : 최대한 낮은 버전 / SNAPSHOT X로 선택

artifact, name : mythymeleaf

java: 8

dependencies : Thymeleaf / Spring Web / Spring Boot DevTools

2 greeting.html 만들기

greeting.html 만들기

3 GreetingController 만들기

controller 폴더를 만들어서 GreetingController 클래스 만들기

package com.example.mythymeleaf.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;

@Controller
public class GreetingController {

    @GetMapping("/greeting")
    public String greeting(@RequestParam(name="name", required=false, defaultValue="World") String name, Model model) {
        model.addAttribute("name", name);
        return "greeting";
    }

}

4 visual Studio code 열어서 html 편집

<!DOCTYPE HTML>
<html xmlns:th=“http://www.thymeleaf.org”>
<head>
    <title>Getting Started: Serving Web Content</title>
    <meta http-equiv=“Content-Type” content=“text/html; charset=UTF-8” />
</head>
<body>
    <p th:text=“‘Hello, ‘ + ${name} + ‘!'”>홍길동</p>
</body>
</html>

5 Live Server 다운로드 및 실행 / Five Server X

6 인텔리제이 mythymeleaf 실행

초록 삼각형 눌러서 실행 시키기

http://localhost:8080/greeting

http://localhost:8080/greeting?name=김길동

“Web server failed to start. Port 8080 was already in use.” 가 발생하셨다면 인텔리제이를 모두 껐다가 다시 실행시키시면 바로 해결됩니다.

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