import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

@Component
public class ScheduledTasks {

    @Scheduled(cron = "0 0 * * * ?") // 每小時(shí)整點(diǎn)執(zhí)行一次
    public void reportCurrentTime() {
        System.out.println("現(xiàn)在時(shí)間：" + System.currentTimeMillis());
    }

    @Scheduled(fixedRate = 5000) // 每5秒執(zhí)行一次
    public void fixedRateTask() {
        System.out.println("每5秒執(zhí)行一次任務(wù)：" + System.currentTimeMillis());
    }

    @Scheduled(fixedDelay = 7000) // 前一次執(zhí)行完畢后延遲7秒執(zhí)行
    public void fixedDelayTask() {
        System.out.println("延遲7秒后執(zhí)行任務(wù)：" + System.currentTimeMillis());
    }
}

import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.SchedulingConfigurer;
import org.springframework.scheduling.config.ScheduledTaskRegistrar;

import java.util.concurrent.Executors;

@Configuration
@EnableScheduling
public class DynamicSchedulingConfig implements SchedulingConfigurer {

    @Override
    public void configureTasks(ScheduledTaskRegistrar taskRegistrar) {
        taskRegistrar.setScheduler(Executors.newScheduledThreadPool(10));
        taskRegistrar.addCronTask(() -> System.out.println("動(dòng)態(tài)任務(wù)執(zhí)行中：" + System.currentTimeMillis()), "0 0/5 * * * ?");
    }
}

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;

@Configuration
public class TaskSchedulerConfig {

    @Bean
    public TaskScheduler taskScheduler() {
        ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();
        scheduler.setPoolSize(5);
        scheduler.setThreadNamePrefix("MyScheduler-");
        return scheduler;
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.stereotype.Component;

import java.util.Date;

@Component
public class DynamicTask {

    @Autowired
    private TaskScheduler taskScheduler;

    public void scheduleTask() {
        taskScheduler.schedule(() -> System.out.println("動(dòng)態(tài)任務(wù)執(zhí)行：" + System.currentTimeMillis()), new Date(System.currentTimeMillis() + 5000));
    }
}

import org.quartz.*;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.quartz.JobDetailFactoryBean;
import org.springframework.scheduling.quartz.SimpleTriggerFactoryBean;

@Configuration
public class QuartzConfig {

    @Bean
    public JobDetailFactoryBean jobDetail() {
        JobDetailFactoryBean factoryBean = new JobDetailFactoryBean();
        factoryBean.setJobClass(SampleJob.class);
        factoryBean.setDescription("Sample Quartz Job");
        factoryBean.setDurability(true);
        return factoryBean;
    }

    @Bean
    public SimpleTriggerFactoryBean trigger(JobDetail jobDetail) {
        SimpleTriggerFactoryBean factoryBean = new SimpleTriggerFactoryBean();
        factoryBean.setJobDetail(jobDetail);
        factoryBean.setRepeatInterval(5000); // 每5秒執(zhí)行一次
        factoryBean.setRepeatCount(SimpleTrigger.REPEAT_INDEFINITELY);
        return factoryBean;
    }

    public static class SampleJob implements Job {
        @Override
        public void execute(JobExecutionContext context) {
            System.out.println("Quartz任務(wù)執(zhí)行：" + System.currentTimeMillis());
        }
    }
}