spring

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/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 = "/", method = RequestMethod.GET)
+    public String test(@RequestParam("id") String id){
+        
+        JsonObject obj = new JsonObject();
+        obj.addProperty("title", "산사와 아가싸");
+        obj.addProperty("content", "로맨틱 코메디");
+
+        JsonObject data = new JsonObject();
+        data.addProperty("time", "토일 8시");
+        obj.add("data", data);
+
+        return obj.toString();
+
+    }
+    }

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/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/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());
+        }
+
+    }
+
+
 }