springboot实现动态调度任务

package com.zwh.task; import lombok.Data; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Value; import org.springframework.context.annotation.PropertySource; import org.springframework.scheduling.Trigger; import org.springframework.scheduling.TriggerContext; import org.springframework.scheduling.annotation.SchedulingConfigurer; import org.springframework.scheduling.config.ScheduledTaskRegistrar; import org.springframework.scheduling.support.CronTrigger; import org.springframework.stereotype.Component; import java.time.LocalDateTime; import java.util.Date; /** * @author zwh * @date 2022/10/20 */ @Data @Slf4j @Component @PropertySource("classpath:/task-config.ini") public class ScheduleTask implements SchedulingConfigurer { @Value("${printTime.cron}") private String cron; @Override public void configureTasks(ScheduledTaskRegistrar taskRegistrar) { // 动态使用cron表达式设置循环间隔 taskRegistrar.addTriggerTask(new Runnable() { @Override public void run() { log.info("Current time： {}", LocalDateTime.now()); } }, new Trigger() { @Override public Date nextExecutionTime(TriggerContext triggerContext) { // 使用CronTrigger触发器，可动态修改cron表达式来操作循环规则 CronTrigger cronTrigger = new CronTrigger(cron); Date nextExecutionTime = cronTrigger.nextExecutionTime(triggerContext); return nextExecutionTime; } }); } }