springboot aop用法_springboot aop 的妙用-优快云博客

本文介绍如何在Spring Boot项目中使用AOP（面向切面编程），通过定义切面、点切和注解实现业务逻辑的解耦。具体展示了如何在StudentDayTimeService、MybatisAppServiceImpl和BookEvaluateAnswerService等服务中应用切面，以及如何配置异步线程池来执行切面逻辑，确保不影响主流程的事务一致性。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

所需要的依赖

org.springframework.boot
spring-boot-starter-aop

定义切面

@Aspect
public class MedalPointCuts {

@Pointcut(value = "execution(* cn.bigabc.base.quick.service.StudentDayTimeService.add(String,Long,*,Integer))&& args(studentNo,operatorId,..)")
public void addDayTime(String studentNo, Long operatorId) {
}

@Pointcut(value = "execution(* cn.bigabc.base.quick.service.mybatis.MybatisAppServiceImpl.saveDsr(Long,String,*,*)) && args(operatorId,studentNo,source,dsr)")
public void saveBookDsr(Long operatorId, String studentNo, DsrSource source, List<BookDsr> dsr) {

}

@Pointcut(value = “execution(* cn.bigabc.base.quick.service.BookEvaluateAnswerService.submitAnswer(*)) && args(answer)”)
public void bookSubmitAnswer(BookEvaluateAnswer answer) {
}

args内是方法的字段名一些枚举，对象直接用*就可以了
如上如果切面不需要那么多参数，…表示就可以入第一个方法

具体实现
@Async(“asyncServiceExecutor”) //表示异步，不影响主逻辑，我这是创建一个线程池下面有具体方法
@Order(10) //表示是否影响主事务，大于等于10表示不影响，就是这里报错，主也会插入成功
@Aspect
@Component
public class MedalAop {
@AfterReturning(value = “cn.bigabc.base.quick.aop.medal.MedalPointCuts.addDayTime(studentNo,operatorId)”)
public void makeCoins(String studentNo, Long operatorId) {
具体的实现逻辑
//需要注意的是这里面如果有插入修改删除操作，需要写一个service
这里面调用那个service,因为这里面不支持事务
}

}

import lombok.extern.slf4j.Slf4j;
import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.AsyncConfigurer;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.ThreadPoolExecutor;

/**

创建的线程池
*/
@Slf4j
@Configuration
public class ThreadPoolTaskExecutorConfig implements AsyncConfigurer {

@Bean
public ThreadPoolTaskExecutor asyncServiceExecutor() {
ThreadPoolTaskExecutor threadPoolTaskExecutor = new ThreadPoolTaskExecutor();
threadPoolTaskExecutor.setCorePoolSize(4);
threadPoolTaskExecutor.setMaxPoolSize(8);
// threadPoolTaskExecutor.setQueueCapacity(9999);
threadPoolTaskExecutor.setThreadNamePrefix(“ThreadPool-”);
threadPoolTaskExecutor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
threadPoolTaskExecutor.setKeepAliveSeconds(60);
threadPoolTaskExecutor.initialize();
return threadPoolTaskExecutor;
}

@Override
public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
//错误显示出来
return (throwable, method, objects) -> log.error(“Exception occurs in async method{}”, throwable);
}