1.pom.xml中导入依赖
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-aop</artifactId> </dependency>
2.创建class,并加入注解
@Aspect @Component @Slf4j public class PayChannelAspect { private final String POINT_CUT = "execution(public * com.xx.xx.xx.service.xxService.*(..))"; @Autowired private AppConfiguration appConfiguration; @Around(POINT_CUT) public Object doInvoke(ProceedingJoinPoint joinPoint) throws Throwable { var appId = Arrays.stream(joinPoint.getArgs()).findFirst().orElse("N"); if (appId.equals("N")) { log.error("参数未传"); return BaseResult.fail("参数未传"); } var wxOpen = appConfiguration.getWx().equals("Y") ? true : false; var aliOpen = appConfiguration.getAli().equals("Y") ? true : false; if (!wxOpen) { if (appId.equals(appConfiguration.getWxAppId()) || appId.equals(appConfiguration.getMpAppId())) { log.info("微信支付通道已经关闭,参数:" + joinPoint.getArgs()); return BaseResult.fail("微信支付通道已经关闭"); } } if (!aliOpen) { if (appId.equals(appConfiguration.getAliAppId())) { log.info("支付宝支付通道已经关闭,参数:" + joinPoint.getArgs()); return BaseResult.fail("支付宝支付通道已经关闭"); } } return joinPoint.proceed(); } }
aspect包含四个注解,@Before,@After,@AfterReturning,@Around
@Before 方法执行前
@After 方法执行后,返回前
@Afterreturning 方法返回
@Around 环绕,从切面首先进入@Around -> @Before -> Method -> @Around -> @After -> @AfterReturning
如果有多个Aop切面拦截,需要在类上加入注解:@Order
原文:https://www.cnblogs.com/LvJiaXuanBlogs/p/10495432.html