Spring 异步线程池的使用 原

package com.codingos.springboot.test.config;

import java.util.concurrent.Executor;

import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.AsyncConfigurer;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

@Configuration
@EnableAsync
public class AsyncConfig implements AsyncConfigurer {

	/**
	 * 定义线程池
	 */
	@Override
	public Executor getAsyncExecutor() {
		// 定义线程池
		ThreadPoolTaskExecutor taskExecutor = new ThreadPoolTaskExecutor();
		// 设置核心线程
		taskExecutor.setCorePoolSize(10);
		// 设置最大线程
		taskExecutor.setMaxPoolSize(30);
		// 设置线程队列最大线程数
		taskExecutor.setQueueCapacity(2000);
		// 初始化
		taskExecutor.initialize();
		return taskExecutor;
	}
}

package com.codingos.springboot.test.service.impl;

import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;

import com.codingos.springboot.test.service.AsyncService;

@Service
public class AsyncServiceImpl implements AsyncService {

	@Override
	@Async  // 声明使用异步调用
	public void generateReport() {
		// 打印当前异步线程名称
		System.out.println("报表线程名称" + Thread.currentThread().getName());
	}
}