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springboot异步执行

springboot异步执行

使用@EnableAsync开启异步执行

在接口方法上使用@Async注解进行标注,该接口是一个异步接口

自定义异步线程执行器

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@Configuration
public class CustomAsyncConfigurer implements AsyncConfigurer {

@Override
public Executor getAsyncExecutor() {
ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
executor.setCorePoolSize(4);
executor.setMaxPoolSize(20);
executor.setQueueCapacity(20);
executor.setKeepAliveSeconds(60);
executor.setThreadNamePrefix("myThreadPool-");
executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
executor.initialize();
return executor;
}

@Override
public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
return new AsyncUncaughtExceptionHandler() {
@Override
public void handleUncaughtException(Throwable ex, Method method, Object... params) {
System.out.println("出现异常");
ex.printStackTrace();
}
};
}
}