Spring Boot 링크와 리다이렉트

목록에서 새 글작성 페이지로

{{>layouts/header}}

<table class="table">
    <thead>
    <tr>
        <th scope="col">ID</th>
        <th scope="col">Title</th>
        <th scope="col">Content</th>
    </tr>
    </thead>
    <tbody>
    {{#articleList}}
        <tr>
            <th>{{id}}</th>
            <th><a href="/articles/{{id}}">{{title}}</a></th>
            <td>{{content}}</td>
        </tr>
    {{/articleList}}
    </tbody>
</table>

<a href="/articles/new">new article</a>
{{>layouts/footer}}

목록페이지로 돌아가기

{{>layouts/header}}
<form class="container" action="/articles/create" method="post">
    <div class="mb-3">
        <label class="form-label">제목</label>
        <input type="text" class="form-control" name="title">
    </div>
    <div class="mb-3">
        <label class="form-label">내용</label>
        <textarea class="form-control" rows="3" name="content"></textarea>
    </div>
    <button type="submit" class="btn btn-primary">Submit</button>
    <a href="/articles">back</a>
</form>
{{>layouts/footer}}

리다이렉트 - 새 글저장 후, 상세 페이지로

@PostMapping("/articles/create")
public String createArticle(ArticleForm form){
    log.info(form.toString());
    //System.out.println(form.toString());
    //1. DTO를 Entity로 변환
    Article article = form.toEntity();
    log.info(article.toString());
    //System.out.println(article.toString());
    //2. Repository에게 Entity를 DB안에 저장
    Article saved = articleRepository.save(article);
    log.info(saved.toString());
    //System.out.println(saved.toString());
    return "redirect:/articles/"+saved.getId();
}

package com.example.firstproject.entity;

import lombok.*;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
@NoArgsConstructor
@AllArgsConstructor
@ToString
@Entity // DB가 해당 객체를 인식 가능하게 한다
@Data
@Getter // 롬복으로 게터 추가
public class Article {

    @Id // 대표값을 지정한다 like 주민번호
    @GeneratedValue //1,2,3,... 자동생성 어노테이션!
    private Long id;

    @Column
    private String title;
    @Column
    private String content;


}

상세 페이지에서 목록으로

{{>layouts/header}}

<table class="table">
    <thead>
    <tr>
        <th scope="col">ID</th>
        <th scope="col">Title</th>
        <th scope="col">Content</th>
    </tr>
    </thead>
    <tbody>
    {{#article}}
        <tr>
            <th>{{id}}</th>
            <td>{{title}}</td>
            <td>{{content}}</td>
        </tr>
    {{/article}}
    </tbody>
</table>
<a href="/articles">Go to Article List</a>

{{>layouts/footer}}