@Scheduled同时执行多个任务

public TaskScheduler taskScheduler() {
    ThreadPoolTaskScheduler taskScheduler = new ThreadPoolTaskScheduler();
    taskScheduler.setPoolSize(50);
    return taskScheduler;
}

只需要把这一段代码放进启动类即可

https://blog.csdn.net/corleone_4ever/article/details/104292423