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@Configuration
@ComponentScan("ch3.taskexecutor")
@EnableAsync
public class TaskExecutorConfig implements AsyncConfigurer {
@Override
public Executor getAsyncExecutor() {
ThreadPoolTaskExecutor taskExecutor = new ThreadPoolTaskExecutor();
taskExecutor.setCorePoolSize(5);
taskExecutor.setMaxPoolSize(10);
taskExecutor.setQueueCapacity(25);
taskExecutor.initialize();
return taskExecutor;
}
@Override
public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
return null;
}
}
@Service
public class AsyncTaskService {
@Async
public void executeAsyncTask(Integer i) {
System.out.println("执行异步任务: " + i);
}
@Async
public void executeAsyncTaskPlus(Integer i) {
System.out.println("执行异步任务+1: " + (i + 1));
}
}
public class Main {
public static void main(String[] args) {
AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(TaskExecutorConfig.class);
AsyncTaskService asyncTaskService = context.getBean(AsyncTaskService.class);
for (int i = 0; i < 10; i++) {
asyncTaskService.executeAsyncTask(i);
asyncTaskService.executeAsyncTaskPlus(i);
}
context.close();
}
}