多线程处理任务

精彩不要错过！！！都是好东西！！！

@Configuration
public class ThreadPoolConfig {

    // 核心线程池大小
    private int corePoolSize = 50;

    // 最大可创建的线程数
    private int maxPoolSize = 200;

    // 队列最大长度
    private int queueCapacity = 1000;

    // 线程池维护线程所允许的空闲时间
    private int keepAliveSeconds = 300;

    @Bean(name = "threadPoolTaskExecutor")
    @Primary
    public ThreadPoolTaskExecutor threadPoolTaskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setMaxPoolSize(maxPoolSize);
        executor.setCorePoolSize(corePoolSize);
        executor.setQueueCapacity(queueCapacity);
        executor.setKeepAliveSeconds(keepAliveSeconds);
        executor.setThreadNamePrefix("ThreadPoolTask");

        /**
         * 拒绝处理策略
         * CallerRunsPolicy()：交由调用方线程运行
         * AbortPolicy()：直接抛出异常。
         * DiscardPolicy()：直接丢弃。
         * DiscardOldestPolicy()：丢弃队列中最老的任务。
         */
        executor.setRejectedExecutionHandler(
                new ThreadPoolExecutor.CallerRunsPolicy());
                executor.initialize();
                return executor;
    }

}

 调用：

@Async(value = "threadPoolTaskExecutor")