springboot项目使用SchedulingConfigurer实现多个定时任务的案例代码

 <!--lombok-->
 <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <optional>true</optional>
  </dependency>
  <!--hutool插件-->
  <dependency>
      <groupId>cn.hutool</groupId>
      <artifactId>hutool-all</artifactId>
      <version>5.7.7</version>
  </dependency>

upload:
    #每天几点几分执行
    taskOnecron: 0 47 21 ? * *
    #每2分钟执行一次
    taskTwocron: 0 0/2 * * * ?

package com.xz.jdk11.schedule;


public interface BaskTask extends Runnable{
    //获取执行频率
    String getCron();
    //执行任务逻辑
    void execute();
}

package com.xz.jdk11.schedule;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import java.util.Calendar;


@Slf4j
@Component
public class TaskOne implements BaskTask{
    @Value("${upload.taskOnecron}")
    private String taskOnecron;

    @Override
    public String getCron() {
        return taskOnecron;
    }

    @Override
    public void execute() {
        log.info("定时任务一（每天几点几分执行一次）,执行开始时间：{}",Calendar.getInstance().getTime());
    }
    @Override
    public void run() {
        execute();
    }
}

package com.xz.jdk11.schedule;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.util.Calendar;


@Slf4j
@Component
public class TaskTwo implements BaskTask{
    @Value("${upload.taskTwocron}")
    private String taskTwocron;

    @Override
    public String getCron() {
        return taskTwocron;
    }

    @Override
    public void execute() {
        log.info("定时任务二：每几分钟执行一次,执行开始时间：{}", Calendar.getInstance().getTime());
    }

    @Override
    public void run() {
        execute();
    }
}

package com.xz.jdk11.schedule;

import cn.hutool.core.util.StrUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.SchedulingConfigurer;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
import org.springframework.scheduling.config.ScheduledTaskRegistrar;
import org.springframework.scheduling.support.CronTrigger;

import java.util.Map;


@EnableScheduling
@Configuration
@Slf4j
public class ReUploadTask implements SchedulingConfigurer {

    @Autowired
    private ApplicationContext applicationContext;
    @Override
    public void configureTasks(ScheduledTaskRegistrar scheduledTaskRegistrar) {
        //在注册器添加定时任务前，添加线程池
        ThreadPoolTaskScheduler threadPoolTaskScheduler = new ThreadPoolTaskScheduler();
        threadPoolTaskScheduler.setPoolSize(10);
        threadPoolTaskScheduler.initialize();
        scheduledTaskRegistrar.setTaskScheduler(threadPoolTaskScheduler);
        //获取所有的定时任务
        Map<String,BaskTask> map=applicationContext.getBeansOfType(BaskTask.class);
        //遍历注册
        for(String key:map.keySet()){
            BaskTask baskTask = map.get(key);
            scheduledTaskRegistrar.addTriggerTask(
                    baskTask,triggerContext -> {
                        if(StrUtil.isBlank(baskTask.getCron())){
                            return null;
                        }
                        return new CronTrigger(baskTask.getCron()).nextExecutionTime(triggerContext);
                    }
            );
        }
    }
}