Customer 페이지 추가.

src/main/java/com/goi/erp/repository/CustomerRepository.java

@@ -5,6 +5,7 @@ import com.goi.erp.entity.Customer;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.stereotype.Repository;
 
 import java.time.LocalDate;
@@ -20,6 +21,10 @@ public interface CustomerRepository extends JpaRepository<Customer, Long> {
 	Optional<Customer> findByCusNo(String cusNo);
 	
     boolean existsByCusNo(String cusNo);
+    
+    @Query(value = "select c from Customer c order by c.cusContractDate desc nulls last",
+           countQuery = "select count(c) from Customer c")
+    Page<Customer> findAllOrderByContractDateDesc(Pageable pageable);
 
     // 현재(활성) 고객 수: cus_status = 'A'
     long countByCusStatus(String cusStatus);

src/main/java/com/goi/erp/service/CustomerService.java

@@ -84,7 +84,7 @@ public class CustomerService {
     
     public Page<CustomerResponseDto> getAllCustomers(int page, int size) {
         Pageable pageable = PageRequest.of(page, size);
-        Page<Customer> customers = customerRepository.findAll(pageable);
+        Page<Customer> customers = customerRepository.findAllOrderByContractDateDesc(pageable);
         return customers.map(this::mapToDto); // 기존 mapToDto 사용
     }