IntelliJ(IDE) Spring Boot 개발 환경 세팅

 

필요 : JDK, IDE, Spring Boot 프로젝트

 

JDK : https://adoptopenjdk.net/ 접속 -> JDK 다운로드

 

IDE : https://www.jetbrains.com/idea/download/#section=windows 접속 -> Community버전 다운로드

 

Spring Boot : https://start.spring.io/ 접속 -> 다운로드

 

IntelliJ에서 다운로드 받은 Spring Boot 프로젝트 오픈

src > main > java > ~~Application (이곳에 메인 메소드가 있으며, 프로젝트가 실행되는 부분)

 

실행 후 localhost:8080 접속

 

Model : 데이터 담당
View Templates : 화면 담당
Controller : 처리 과정 담당

 

View Templates은 Mustache를 이용해보자

src > main > java > com.example.firstproject > controller의 FirstController

package com.example.firstproject.controller;

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

@Controller
public class FirstController {

    @GetMapping("/hi") // localhost:8080/hi 보내면 greetings.mustache 리턴
    public String niceToMeetYou(Model model) {
        model.addAttribute("userName", "Seung Yub");
        return "greetings"; // templates/greetings.mustache -> 브라우저로 전송!
    }

    @GetMapping("/bye")
    public String seeYou(Model model) {
        model.addAttribute("nickName", "Hong Gil Dong");
        return "goodbye";
    }
}

src > main > resources > templates > greetings.mustache

{{>layouts/header}}

    <!-- content -->
    <div class="bg-dark text-white p-5">
        <h1>Hi, {{userName}}!</h1>
    </div>

{{>layouts/footer}}

src > main > resources > templates > goodbye.mustache

{{>layouts/header}}

    <!-- content -->
    <div class="bg-dark text-white p-5">
        <h1>Bye, {{nickName}}!</h1>
    </div>

{{>layouts/footer}}

src > main > resources > templates > layouts > header.mustache

<!doctype html>
<html lang="ar" dir="rtl">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.1/dist/css/bootstrap.rtl.min.css" integrity="sha384-OXTEbYDqaX2ZY/BOaZV/yFGChYHtrXH2nyXJ372n2Y8abBhrqacCEe+3qhSHtLjy" crossorigin="anonymous">
    <title>Document</title>
</head>
<body>
<!-- navigation -->
<nav class="navbar navbar-expand-lg bg-light">
    <div class="container-fluid">
        <a class="navbar-brand" href="#">Navbar</a>
        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
        </button>
        <div class="collapse navbar-collapse" id="navbarSupportedContent">
            <ul class="navbar-nav me-auto mb-2 mb-lg-0">
                <li class="nav-item">
                    <a class="nav-link active" aria-current="page" href="#">Home</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">Link</a>
                </li>
                <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
                        Dropdown
                    </a>
                    <ul class="dropdown-menu">
                        <li><a class="dropdown-item" href="#">Action</a></li>
                        <li><a class="dropdown-item" href="#">Another action</a></li>
                        <li><hr class="dropdown-divider"></li>
                        <li><a class="dropdown-item" href="#">Something else here</a></li>
                    </ul>
                </li>
                <li class="nav-item">
                    <a class="nav-link disabled">Disabled</a>
                </li>
            </ul>
            <form class="d-flex" role="search">
                <input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
                <button class="btn btn-outline-success" type="submit">Search</button>
            </form>
        </div>
    </div>
</nav>
<!-- alert msg -->
{{#msg}}
<div class="alert alert-primary" role="alert">
    {{msg}}
</div>
{{/msg}}

src > main > resources > templates > layouts > footer.mustache

<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.1/dist/js/bootstrap.bundle.min.js" integrity="sha384-u1OknCvxWvY5kfmNBILK2hRnQC3Pr17a+RTT6rIHI7NnikvbZlHgTPOOmMi466C8" crossorigin="anonymous"></script>
</body>
</html>
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