SQL语句实现保存回复，提高效率

git-svn-id: svn+ssh://10.10.101.21/source/platform/platform-b2b@476 f3bf4e98-0cf0-11e4-a00c-a99a8b9d557d

src/main/java/com/uas/platform/b2b/dao/PurchaseOrderItemDao.java

@@ -9,10 +9,12 @@ import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
+import org.springframework.transaction.annotation.Transactional;
 
 import com.uas.platform.b2b.model.PurchaseOrderItem;
 
 @Repository
+@Transactional
 public interface PurchaseOrderItemDao extends JpaSpecificationExecutor<PurchaseOrderItem>, JpaRepository<PurchaseOrderItem, Long> {
 
 	/**