1 //配置类

  2

  3 package test;

  4

  5 import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;

  6 import org.springframework.context.annotation.ComponentScan;

  7 import org.springframework.context.annotation.Configuration;

  8 import org.springframework.scheduling.annotation.AsyncConfigurer;

  9 import org.springframework.scheduling.annotation.EnableAsync;

 10 import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

 11

 12 import java.util.concurrent.Executor;

 13

 14 @Configuration

 15 @ComponentScan("test")

 16 @EnableAsync

 17 public class TaskExecutorConfig implements AsyncConfigurer{

 18

 19     @Override

 20     public Executor getAsyncExecutor() {

 21         ThreadPoolTaskExecutor taskExecutor = new ThreadPoolTaskExecutor();

 22         taskExecutor.setCorePoolSize(5);

 23         taskExecutor.setMaxPoolSize(10);

 24         taskExecutor.setQueueCapacity(25);

 25         taskExecutor.initialize();

 26         return taskExecutor;

 27     }

 28

 29     @Override

 30     public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {

 31         return null;

 32     }

 33 }

  1 //任务执行类

  2

  3 package test;

  4

  5 import org.springframework.scheduling.annotation.Async;

  6 import org.springframework.stereotype.Service;

  7

  8 @Service

  9 public class AsyncTaskService {

 10

 11     @Async

 12     public void executeAsyncTask(Integer i) {

 13         System.out.println("执行异步任务：" + i);

 14     }

 15 }

  1 //运行

  2

  3 package test;

  4

  5 import org.springframework.context.annotation.AnnotationConfigApplicationContext;

  6

  7 public class Application {

  8

  9     public static void main(String[] args) {

 10         AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(TaskExecutorConfig.class);

 11

 12         AsyncTaskService asyncTaskService = context.getBean(AsyncTaskService.class);

 13         for (int i = 0; i < 20; i++) {

 14             asyncTaskService.executeAsyncTask(i);

 15         }

 16         context.close();

 17     }

 18 }

本文出自于：hacpai