Web后端Javaee企业级开发之定时任务 Springboot整合任务框架Quartz和Task详解

package com.bigdata1421.demo;
 
import java.util.Timer;
import java.util.TimerTask;
 
public class TimerTaskApp {
    public static void main(String[] args) {
        //创建一个定时器对象
        Timer timer=new Timer();
        //用定时器对象调用方法
        TimerTask task=new TimerTask() {
            @Override
            public void run() {
                System.out.println("执行");
            }
        };
        timer.schedule(task,0,2000);
    }
}

     <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-quartz</artifactId>
        </dependency>

package com.bigdata1421.demo.quartz;
 
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.springframework.scheduling.quartz.QuartzJobBean;
import org.springframework.stereotype.Component;
 
public class MyQuartz extends QuartzJobBean {
    @Override
    protected void executeInternal(JobExecutionContext context) throws JobExecutionException {
        System.out.println("quartz task run...");
    }
}

package com.bigdata1421.demo.config;
 
import com.bigdata1421.demo.quartz.MyQuartz;
import org.quartz.*;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
 
@Configuration
public class QuartzConfig {
 
    @Bean
    public JobDetail printJobDetail(){
        //绑定具体的工作
        return JobBuilder.newJob(MyQuartz.class).storeDurably().build();
    }
 
    @Bean
    public Trigger printJobTrigger(){
        //绑定对应的工作明细
        //设置任务时间 秒 分 时 日 月 星期
        ScheduleBuilder scheduleBuilder=CronScheduleBuilder.cronSchedule("0/5 * * * * ? ");
        return TriggerBuilder.newTrigger().forJob(printJobDetail()).withSchedule(scheduleBuilder).build();
    }
 
}

package com.bigdata1421.demo;
 
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.scheduling.annotation.EnableScheduling;
 
@SpringBootApplication
//开启定时任务功能
@EnableScheduling
public class DemoApplication {
 
    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
    }
 
}

package com.bigdata1421.demo.quartz;
 
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
 
@Component
public class MyBean {
 
    @Scheduled(cron ="0/1 * * * * ?")
    public void print(){
        System.out.println("spring task run");
    }
 
}