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这个示例代码是一个简单的订单撮合交易系统,基于Spring Boot和Spring Data JPA,演示了订单的创建、撮合和交易记录的生成:
// 实体类 @Entity public class Order { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; private Long userId; private String type; // "BUY" or "SELL" private BigDecimal price; private int quantity; private boolean matched; // ...其他字段、Getter和Setter } @Entity public class Trade { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; private Long buyerId; private Long sellerId; private BigDecimal price; private int quantity; private LocalDateTime tradeTime; // ...其他字段、Getter和Setter } // 仓库接口 public interface OrderRepository extends JpaRepository<Order, Long> { List<Order> findByTypeAndMatchedOrderByPriceAsc(String type, boolean matched); } public interface TradeReposito...
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