rest controller complate

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

@@ -11,9 +11,5 @@ 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 → src/main/java/com/example/demo/controller/TestController.java

-package com.example.demo;
+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.JsonObject;
 @RestController
 public class TestController {
     @GetMapping(value = "/test")
@@ -10,4 +15,15 @@ public class TestController {
         dto.setName("Jane");
         return dto;
     }
+    @RequestMapping(value = "/", method = RequestMethod.GET)
+    public String test(@RequestParam("id") String id){
+        System.out.println(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();
+    }
 }
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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

@@ -9,5 +9,10 @@ import com.example.demo.entity.Item;
 import java.util.List;
 // @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);
 }
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src/test/java/com/example/demo/repository/ItemRepositoryTest.java

@@ -5,7 +5,7 @@ import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.TestPropertySource;
 
 import com.example.demo.entity.Item;
-//import com.example.demo.entity.QItem;
+import com.example.demo.entity.QItem;
 import com.example.demo.repository.ItemRepository;
 
 import org.junit.jupiter.api.DisplayName;
@@ -24,6 +24,9 @@ import javax.persistence.PersistenceContext;
 public class ItemRepositoryTest {
   @Autowired
   ItemRepository itemRepository;
+
+  @PersistenceContext
+  EntityManager em;
   @Test
   @DisplayName("상품 저장 테스트")
   public void createItemTest() {
@@ -37,4 +40,80 @@ public class ItemRepositoryTest {
     Item savedItem = itemRepository.save(item);
     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());
+    }
+  }
+
+  
 }
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