spring方法增强切面使用

 

 

 

方法执行完成，正常返回后，进入改切点

/**
 * @author hhh
 * @date 2020/2/10 14:43
 * @Despriction 订单修改记录Cglib代理，增强订单修改后推送
 */
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
@Documented
public @interface OrderChangeProxy {
}
@Component
@Aspect
@Log4j2
public class OrderChangePointCut {

  private final ModifyOrderService modifyOrderService;

  /**
   * 构造注入
   * 保证实例唯一与实例不为null
   * @param modifyOrderService
   */
  @Autowired
  public OrderChangePointCut(ModifyOrderService modifyOrderService) {
    this.modifyOrderService = modifyOrderService;
  }

  @Pointcut("@annotation(com.jn.ssr.superrescue.annotation.OrderChangeProxy)")
  public void orderChange() {
  }

  @AfterReturning(returning = "result",pointcut="orderChange()")
  public void doBefore(JoinPoint jp,Object result) {
    Object[] args =jp.getArgs();
    OrderBasicRequestEntity orderBasicRequestEntity =(OrderBasicRequestEntity) args[0];
    log.info("订单修改信息推送切点-{}",orderBasicRequestEntity.getId());
    List<BaseUpdRecordEntity> updateList =(List<BaseUpdRecordEntity>) result;
    modifyOrderService.modifyOrderToTpr(orderBasicRequestEntity,updateList);
  }
}