@SpringBootApplication
@EnableAsync
public class Application {
    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }
}
			
			

			
@Component
public class Task {

    @Async
    public void doTaskOne() throws Exception {
        // 業務邏輯
    }

    @Async
    public void doTaskTwo() throws Exception {
        // 業務邏輯
    }

    @Async
    public void doTaskThree() throws Exception {
        // 業務邏輯
    }

}			
			
			

設置綫程池，並且運行完成後推出

			
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.Executor;

@SpringBootApplication
@EnableAsync
public class Application {

    public static void main(String[] args) {
        // close the application context to shut down the custom ExecutorService
        SpringApplication.run(Application.class, args).close();
    }

    @Bean
    public Executor asyncExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(2);
        executor.setMaxPoolSize(2);
        executor.setQueueCapacity(500);
        executor.setThreadNamePrefix("Netkiller -");
        executor.initialize();
        return executor;
    }


}			
			
			

			
package cn.netkiller.wallet.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;

@Configuration
@EnableAsync
public class ExecutorConfig {
	/** Set the ThreadPoolExecutor's core pool size. */
	private int corePoolSize = 10;
	/** Set the ThreadPoolExecutor's maximum pool size. */
	private int maxPoolSize = 200;
	/** Set the capacity for the ThreadPoolExecutor's BlockingQueue. */
	private int queueCapacity = 10;
 
	@Bean
	public Executor OneAsync() {
		ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
		executor.setCorePoolSize(corePoolSize);
		executor.setMaxPoolSize(maxPoolSize);
		executor.setQueueCapacity(queueCapacity);
		executor.setThreadNamePrefix("MySimpleExecutor-");
		executor.initialize();
		return executor;
	}
	
	@Bean
	public Executor TwoAsync() {
		ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
		executor.setCorePoolSize(corePoolSize);
		executor.setMaxPoolSize(maxPoolSize);
		executor.setQueueCapacity(queueCapacity);
		executor.setThreadNamePrefix("MyExecutor-");
 
		// rejection-policy：當pool已經達到max size的時候，如何處理新任務
		// CALLER_RUNS：不在新綫程中執行任務，而是有調用者所在的綫程來執行
		executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
		executor.initialize();
		return executor;
	}

}
			
			
			

			
@Service
public class DemoAsyncServiceImpl implements DemoAsyncService {
 
	public static Random random =new Random();
 
    @Async("OneAsync")
    public Future<String> doTaskOne() throws Exception {
        System.out.println("開始做任務一");
        long start = System.currentTimeMillis();
        Thread.sleep(random.nextInt(10000));
        long end = System.currentTimeMillis();
        System.out.println("完成任務一，耗時：" + (end - start) + "毫秒");
        return new AsyncResult<>("任務一完成");
    }
 
    @Async("TwoAsync")
    public Future<String> doTaskTwo() throws Exception {
        System.out.println("開始做任務二");
        long start = System.currentTimeMillis();
        Thread.sleep(random.nextInt(10000));
        long end = System.currentTimeMillis();
        System.out.println("完成任務二，耗時：" + (end - start) + "毫秒");
        return new AsyncResult<>("任務二完成");
    }
 
    @Async
    public Future<String> doTaskThree() throws Exception {
        System.out.println("開始做任務三");
        long start = System.currentTimeMillis();
        Thread.sleep(random.nextInt(10000));
        long end = System.currentTimeMillis();
        System.out.println("完成任務三，耗時：" + (end - start) + "毫秒");
        return new AsyncResult<>("任務三完成");
    }
	
}