springboot+ 线程池

//线程池类，直接复制不用修改

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.ThreadPoolExecutor;

/**
 * @author xulei
 * @version 1.0
 * @date 2020/8/21 16:00
 */
@Configuration
public class ThreadConfig {
    //线程池维护线程的最少数量
    private int corePoolSize = 10;
    //线程池维护线程的最大数量
    private int maxPoolSize = 45;
    //缓存队列
    private int queueCapacity = 8;
    //允许的空闲时间
    private int keepAlive = 60;
    
    @Bean(name = "threadPool")
    public ThreadPoolTaskExecutor getThreadPool() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(corePoolSize);
        executor.setMaxPoolSize(maxPoolSize);
        executor.setQueueCapacity(queueCapacity);
        executor.setThreadNamePrefix("Executor-");
        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是由调用者所在的线程来执行
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy()); //对拒绝task的处理策略
        executor.setKeepAliveSeconds(keepAlive);
        executor.initialize();
        return executor;
    }
}

//使用，先注入 
@Resource(name = "threadPool")
 private ThreadPoolTaskExecutor executor;
//调用

executor.execute(() -> {
    //自己的逻辑代码
});