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Spring 입문 5 - 회원 관리 예제(웹 MVC 개발)

인프런 김영한 님 스프링 입문 강의를 들은 후 공부한 내용입니다.

홈 화면 추가

홈 컨트롤러 추가

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package hello.hellospring.controller;

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

@Controller
public class HomeController {

    @GetMapping("/")
    public String home() {
        return "home";
    }
}

회원 관리용 홈

resources/templates/home.html

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<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div class="container">
        <h1>Hello Spring</h1>
        <p>회원 기능</p>
        <p>
            <a href="/members/new">회원가입</a>
            <a href="/members">회원목록</a>
        </p>
    </div>
</body>
</html>

참고: 컨트롤러가 정적 파일보다 우선순위가 높다.

image


회원 웹 기능 - 등록

회원 등록 폼 개발

회원 등록 폼 컨트롤러

hellospring/controller/MemberForm.java

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package hello.hellospring.controller;

public class MemberForm {
    private String name;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
}

hellospring/controller/MemberController.java

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package hello.hellospring.controller;

import hello.hellospring.domain.Member;
import hello.hellospring.service.MemberService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;

import java.util.List;

@Controller
public class MemberController {

    private final MemberService memberService;

    @Autowired
    public MemberController(MemberService memberService) {
        this.memberService = memberService;
    }

    @GetMapping("/members/new")
    public String createForm() {
        return "members/createMemberForm";
    }

    @PostMapping("/members/new")
    public String cteate(MemberForm form) {
        Member member = new Member();
        member.setName(form.getName());

        memberService.join(member);

        return "redirect:/";
    }
}

회원 등록 폼 HTML

resources/templates/members/createMemberForm.html

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<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div class="container">
        <form action="/members/new" method="post">
            <div class="form-group">
                <label for="name">이름</label>
                <input type="text" id="name" name="name" placeholder="이름을 입력하세요">
            </div>
            <button type="submit">등록</button>
        </form>
    </div>
</body>
</html>

image


회원 웹 기능 - 조회

회원 컨트롤러에서 조회 기능

hellospring/controller/MemberController.java

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@GetMapping("/members")
public String list(Model model) {
    List<Member> members = memberService.findMembers();
    model.addAttribute("members", members);
    return "members/memberList";
}

회원 리스트 HTML

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<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div class="container">
        <div>
            <table>
                <thead>
                <tr>
                    <th>#</th>
                    <th>이름</th>
                </tr>
                </thead>
                <tbody>
                <tr th:each="member : ${members}">
                    <td th:text="${member.id}"></td>
                    <td th:text="${member.name}"></td>
                </tr>
                </tbody>
            </table>
        </div>
    </div>
</body>
</html>

image

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