> For the complete documentation index, see [llms.txt](https://heunnajo.gitbook.io/jpa/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://heunnajo.gitbook.io/jpa/6./undefined-1.md).

# 주문 리포지토리 개발

1. 주문 저장
2. 주문 조회\
   주문 id로 조회(단일 검색)\
   em.find(Order.class,id)

```java
package jpabook.jpashop.repository;

import jpabook.jpashop.domain.Order;
import lombok.RequiredArgsConstructor;
import org.aspectj.weaver.ast.Or;
import org.springframework.stereotype.Repository;

import javax.persistence.EntityManager;
import java.util.List;

@Repository
@RequiredArgsConstructor
public class OrderRepository {
    private final EntityManager em;
    public void save(Order order){
        em.persist(order);
    }
    public Order findOne(Long id){
        return em.find(Order.class,id);
    }

    //검색 기능
//    public List<Order> findAll(OrderSearch orderSearch){}
}

```