$$config title: [ Spring ] 대댓글 기초설정 (Create) keywords: - DB - Domain - Controller(Create) - HTML $$ # 코드 및 설명 ## [ DB ] ```sql CREATE TABLE answer_comment ( id INT(11) UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT, content TEXT NOT NULL, create_date DATETIME NOT NULL, modify_date DATETIME DEFAULT NOW(), question_id INT(11) UNSIGNED NOT NULL, answer_id INT(11) UNSIGNED NOT NULL, reply_like VARCHAR(10) NOT NULL ); ``` ## [ domain ] ### AnswerComment ```java @Entity @Getter @Setter @JsonIdentityInfo(generator = ObjectIdGenerators.IntSequenceGenerator.class) public class AnswerComment{ @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Integer id; @Column(columnDefinition = "TEXT") private String content; private LocalDateTime createDate; private LocalDateTime modifyDate; private Integer replyLike; @ManyToOne private Question question; @ManyToOne private Answer answer; ``` ManyToOne을 통해 question(Main)와 Answer(댓글)과 연결 ## [ Controller ] ### AnswerComment ```java . @PostMapping("/create/detail/{questionId}/{answerId}") public String createAnswer(Model model, @PathVariable("questionId") Integer questionId, @PathVariable("answerId") Integer answerId, @Valid AnswerCommentForm answerCommentForm, BindingResult bindingResult){ Answer answer = this.answerService.getComment(answerId); Question question = this.questionService.getQuestion(questionId); if(bindingResult.hasErrors()){ model.addAttribute("answer", answer); return "question_detail"; } this.answerCommentService.create(answer,question, answerCommentForm.getContent()); return String.format("redirect:/question/list/detail/%s", questionId); } . ``` ## [ Service ] ### AnswerComment ```java . public void create(Answer answer, Question question, String content){ AnswerComment answerComment = new AnswerComment(); answerComment.setContent(content); answerComment.setCreateDate(LocalDateTime.now()); answerComment.setAnswer(answer); answerComment.setQuestion(question); answerComment.setReplyLike(0); this.answerCommentRepository.save(answerComment); } . . public AnswerComment getAnswerComment(Integer id){ Optional answerComment = this.answerCommentRepository.findById(id); if (answerComment.isPresent()) { return answerComment.get(); } else { throw new DataNotFoundException("question not found"); } } ``` ## [ HTML ] ### AnswerComment ```html 【 댓글 】【 대댓글 】

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