src/main/java/com/example/demo/DemoApplication.java

@@ -12,9 +12,5 @@ public class DemoApplication {
 	public static void main(String[] args) {
 		SpringApplication.run(DemoApplication.class, args);
 	}
-	   @GetMapping(value="/")
-   public String HelloWorld(){
-      return "Hello World";
-   }
 
 }

src/main/java/com/example/demo/TestController.java

-package com.example.demo;
-
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RestController;
-
-@RestController
-public class TestController {
-
-    @GetMapping(value = "/test")
-    public UserDto test(){
-
-        UserDto dto = new UserDto();
-        dto.setAge(17);
-        dto.setName("Jane");
-
-        return dto;
-
-    }
-    
-}

src/main/java/com/example/demo/constant/Role.java

+package com.example.demo.constant;
+
+public enum Role {
+
+    USER, ADMIN
+    
+}
+

src/main/java/com/example/demo/controller/MemberController.java

+package com.example.demo.controller;
+
+import com.example.demo.service.MemberService;
+import com.example.demo.entity.Member;
+import com.example.demo.dto.MemberDto;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.repository.query.Param;
+import org.springframework.web.bind.annotation.*;
+import com.google.gson.JsonParser;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.example.demo.constant.Role;
+
+
+@RestController
+public class MemberController {
+
+    @Autowired
+    MemberService memberService;
+
+    public Member createMember(){
+        MemberDto memberDto = new MemberDto();
+        memberDto.setEmail("test@email.com");
+        memberDto.setName("홍길동");
+        memberDto.setAddress("서울시 마포구 합정동");
+        memberDto.setPassword("1234");
+        return Member.createMember(memberDto);
+    }
+
+    @RequestMapping(value = "/membertest", method = RequestMethod.GET)
+    public void membertest(){
+
+        Member member = createMember();
+        Member savedMember = memberService.saveMember(member);
+
+        System.out.println(member);
+        System.out.println(savedMember);
+
+    }
+    @RequestMapping(value = "/makeMember", method = RequestMethod.POST)
+    public String makeMember(@RequestBody String param){
+    
+        System.out.println(param);
+        JsonElement element = JsonParser.parseString(param);
+        JsonObject object = element.getAsJsonObject();
+    
+        String id = object.get("id").getAsString();
+        System.out.println("id : " + id);
+    
+        String email = object.get("email").getAsString();
+        System.out.println("email : " + email);
+    
+        String address = object.get("address").getAsString();
+        System.out.println("address : " + address);
+    
+        String name = object.get("name").getAsString();
+        System.out.println("name : " + name);
+    
+        String password = object.get("password").getAsString();
+        System.out.println("password : " + password);
+    
+        Member member = new Member();
+        member.setName(name);
+        member.setEmail(email);
+        member.setAddress(address);
+        member.setPassword(password);
+        member.setRole(Role.USER);
+    
+        memberService.saveMember(member);
+    
+        return "OK";
+    
+    }
+
+
+
+}

src/main/java/com/example/demo/controller/TestController.java

+package com.example.demo.controller;
+
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
+
+@RestController
+public class TestController{
+
+    @RequestMapping(value = "/productlist", method = RequestMethod.GET)
+    public String productList(){
+
+        JsonObject obj1 = new JsonObject();
+        obj1.addProperty("item_nm", "수제 햄버거");
+        obj1.addProperty("item_detail", "소고기 패티와 토마토가 들어 있는 햄버거");
+        obj1.addProperty("item_reg_date", "2022/04/22");
+        obj1.addProperty("item_price", "4000");
+
+        JsonObject obj2 = new JsonObject();
+        obj2.addProperty("item_nm", "카레라이스");
+        obj2.addProperty("item_detail", "매운 3분 카레라이스");
+        obj2.addProperty("item_reg_date", "2022/03/10");
+        obj2.addProperty("item_price", "8000");
+
+        JsonObject obj3 = new JsonObject();
+        obj3.addProperty("item_nm", "라면");
+        obj3.addProperty("item_detail", "소고기 라면");
+        obj3.addProperty("item_reg_date", "2021/09/10");
+        obj3.addProperty("item_price", "1500");
+
+        JsonArray infoArray = new JsonArray();
+        infoArray.add(obj1);
+        infoArray.add(obj2);
+        infoArray.add(obj3);
+
+        return infoArray.toString();
+    }
+
+
+}
\ No newline at end of file

src/main/java/com/example/demo/UserDto.java → src/main/java/com/example/demo/controller/UserDto.java

-package com.example.demo;
+package com.example.demo.controller;
 
 import lombok.Getter;
 import lombok.Setter;

src/main/java/com/example/demo/dto/MemberDto.java

+package com.example.demo.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class MemberDto {
+
+    private String name;
+    private String email;
+    private String password;
+    private String address;
+    
+}

src/main/java/com/example/demo/entity/Member.java

+package com.example.demo.entity;
+import javax.persistence.*;
+import com.example.demo.dto.MemberDto;
+import com.example.demo.constant.Role;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+@Entity
+@Table(name="member")
+@Getter
+@Setter
+@ToString
+public class Member {
+
+    @Id
+    @Column(name="member_id")
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    private String name;
+
+    @Column(unique = true)
+    private String email;
+
+    private String password;
+
+    private String address;
+
+    @Enumerated(EnumType.STRING)
+    private Role role;
+
+    public static Member createMember(MemberDto memberDto){
+        Member member = new Member();
+        member.setName(memberDto.getName());
+        member.setEmail((memberDto.getEmail()));
+        member.setAddress((memberDto.getAddress()));
+        member.setPassword(memberDto.getPassword());
+        member.setRole(Role.USER);
+        return member;
+
+    }
+}
+

src/main/java/com/example/demo/repository/ItemRepository.java

@@ -11,5 +11,13 @@ import com.example.demo.entity.Item;
 
 // @NoRepositoryBean
 public interface ItemRepository extends JpaRepository<Item, Long>{
-    
-}
+
+    List<Item> findByItemNm(String itemNm);
+    List<Item> findByItemNmOrItemDetail(String itemNm, String itemDetail);
+    List<Item> findByPriceLessThan(Integer price);
+    List<Item> findByPriceLessThanOrderByPriceDesc(Integer price);
+    @Query("select i from Item i where i.itemDetail like %:itemDetail% order by i.price desc")
+    List<Item> findByItemDetail(@Param("itemDetail") String itemDetail);
+
+
+}
\ No newline at end of file

src/main/java/com/example/demo/repository/MemberRepository.java

+package com.example.demo.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import com.example.demo.entity.*;
+
+public interface MemberRepository extends JpaRepository<Member, Long>{
+
+    Member findByEmail(String email);
+    
+}

src/main/java/com/example/demo/service/MemberService.java

+package com.example.demo.service;
+
+import com.example.demo.entity.Member;
+import com.example.demo.repository.MemberRepository;
+import lombok.RequiredArgsConstructor;
+
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.stereotype.Service;
+
+import javax.transaction.Transactional;
+
+@Service
+@Transactional
+@RequiredArgsConstructor
+public class MemberService {
+
+    private final MemberRepository memberRepository;
+
+   public Member saveMember(Member member){
+        validateDuplicatetMember(member);
+
+        return memberRepository.save(member);
+    }
+
+    
+    private boolean validateDuplicatetMember(Member member){
+        
+            Member findMember = memberRepository.findByEmail(member.getEmail());
+            if(findMember != null){
+                System.out.println("이미 가입된 회원입니다.");
+                return false;
+            }
+    
+            return true;
+     
+    }
+
+}
+

src/main/resources/static/index.html

+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Insert title here</title>
+
+  <link rel="stylesheet" href="/webjars/bootstrap/5.1.3/css/bootstrap.min.css">
+  <script src="/webjars/jquery/3.6.0/jquery.min.js"></script>
+  <script src="/webjars/popper.js/2.9.3/umd/popper.min.js"></script>
+  <script src="/webjars/bootstrap/5.1.3/js/bootstrap.min.js"></script>
+</head>
+
+<body>
+<div class="container">
+  <table class="table table-hover">
+    <thead class="thead-dark">
+    <tr>
+      <th>codeId</th>
+      <th>code</th>
+      <th>codeNm</th>
+      <th>codeDc</th>
+    </tr>
+    </thead>
+    <tbody>
+    <tr>
+      <td>COM001</td>
+      <td>REG01</td>
+      <td>단일 게시판 이용 등록</td>
+      <td>단일 게시판 이용 등록</td>
+    </tr>
+    <tr>
+      <td>COM001</td>
+      <td>REG02</td>
+      <td>커뮤니티 등록/td>
+      <td>커뮤니티 등록</td>
+    </tr>
+    </tbody>
+  </table>
+</div>
+</body>
+</html>
+

src/main/resources/static/product.html

+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Product</title>
+    <link rel="stylesheet" href="/webjars/bootstrap/5.1.3/css/bootstrap.min.css">
+    <script src="/webjars/jquery/3.6.0/jquery.min.js"></script>
+    <script src="/webjars/popper.js/2.9.3/umd/popper.min.js"></script>
+    <script src="/webjars/bootstrap/5.1.3/js/bootstrap.min.js"></script>
+    <script>
+        $(document).ready(function(){
+          $("button").click(function(){
+
+            $.ajax({
+
+              type: 'GET',
+              url: '/productlist',
+              success: function(data){
+                var array = JSON.parse(data);
+                for(i=0; i < array.length; i++){
+                    var obj = array[i];
+                    html = '';
+                    html += '<tr>';
+                    html += '<td>' + obj.item_nm + '</td>'
+                    html += '<td>' + obj.item_detail + '</td>'
+                    html += '<td>' + obj.item_reg_date + '</td>'
+                    html += '<td>' + obj.item_price + '</td>'
+                    html += '</tr>';
+                    $("#tableBody").append(html);
+                }
+
+              }
+
+            });
+
+
+          });
+        });
+    </script>
+
+</head>
+<body>
+<h1>상품 데이터 목록 출력</h1>
+<button>조회</button>
+<table class="table table-hover">
+    <thead class="thead-dark">
+        <tr>
+            <th>상품이름</th>
+            <th>상품상세설명</th>
+            <th>상품등록일</th>
+            <th>상품가격</th>
+        </tr>
+    </thead>
+    <tbody id="tableBody">
+    </tbody>
+</table>
+</body>
+</html>

src/test/java/com/example/demo/repository/ItemRepositoryTest.java

@@ -26,6 +26,10 @@ public class ItemRepositoryTest {
     @Autowired
     ItemRepository itemRepository;
 
+    @PersistenceContext
+    EntityManager em;
+
+
     @Test
     @DisplayName("상품 저장 테스트")
     public void createItemTest(){
@@ -41,7 +45,91 @@ public class ItemRepositoryTest {
         System.out.println(savedItem.toString());
     }
 
-      
+    public void createItemList(){
+
+        for(int i=1; i <=10; i++){
+            Item item = new Item();
+            item.setItemNm(("테스트 상품") + i);
+            item.setPrice(10000 + i);
+            item.setItemDetail("테스트 상품 상세 설명" + i);
+            item.setItemSellStatus(ItemSellStatus.SELL);
+            item.setStockNumber(100);
+            item.setRegTime(LocalDateTime.now());
+            item.setUpdateTime(LocalDateTime.now());
+            Item savedItem = itemRepository.save(item);
+        }
+    }
+
+    @Test
+    @DisplayName("상품명 조회 테스트")
+    public void findByItemNmTest(){
+        this.createItemList();
+        List<Item> itemList = itemRepository.findByItemNm("테스트 상품1");
+        for(Item item : itemList){
+            System.out.println(item.toString());
+        }
+
+    }
+    @Test
+    @DisplayName("상품명, 상품상세 설명 OR 테스트")
+    public void findByItemNmOrItemDetailTest(){
+        this.createItemList();
+        List<Item> itemList = itemRepository.findByItemNmOrItemDetail("테스트 상품1", "테스트 상품 상세 설명5");
+        for(Item item : itemList){
+            System.out.println(item.toString());
+        }
+
+    }
+
+    @Test
+    @DisplayName("가격 LessThan 테스트")
+    public void findByPriceLessThanTest(){
+        this.createItemList();
+        List<Item> itemList = itemRepository.findByPriceLessThan(10005);
+        for(Item item: itemList){
+            System.out.println(item.toString());
+        }
+    }
+
+    @Test
+    @DisplayName("가격 내람차순 조회 테스트")
+    public void findByPriceLessThanOrderByPriceDesc(){
+        this.createItemList();
+        List<Item> itemList =  itemRepository.findByPriceLessThanOrderByPriceDesc(10005);
+        for(Item item: itemList){
+            System.out.println(item.toString());
+        }
+    }
+
+    @Test
+    @DisplayName("@Query를 이용한 상품 조회 테스트")
+    public void findByItemDetailTest(){
+        this.createItemList();
+        List<Item> itemList = itemRepository.findByItemDetail("테스트 상품 상세 설명");
+        for(Item item : itemList){
+            System.out.println(item.toString());
+        }
+    }
+    @Test
+    @DisplayName("Querydsl 조회테스트1")
+    public void queryDslTest(){
+        this.createItemList();
+        JPAQueryFactory queryFactory = new JPAQueryFactory(em);
+        QItem qItem = QItem.item;
+        JPAQuery<Item> query = queryFactory.selectFrom(qItem)
+                .where(qItem.itemSellStatus.eq(ItemSellStatus.SELL))
+                .where(qItem.itemDetail.like("%" + "테스트 상품 상세 설명" + "%"))
+                .orderBy(qItem.price.desc());
+
+        List<Item> itemList = query.fetch();
+
+        for(Item item : itemList){
+            System.out.println(item.toString());
+        }
+
+    }
+
+
 }