import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.scheduling.annotation.EnableScheduling;
@SpringBootApplication
@EnableScheduling
public class O2o2Application {
    public static void main(String[] args) {
        SpringApplication.run(O2o2Application.class, args);
        System.out.println("項(xiàng)目啟動(dòng)成功！");
    }
}

import com.cd.o2o2.dao.ProductSellDailyDao;
import com.cd.o2o2.service.ProductSellDailyService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
import java.text.SimpleDateFormat;
import java.util.Date;
@Service("productSellDailyService")
public class ProductSellDailyServiceImpl implements ProductSellDailyService {
	@Override
    @Scheduled(cron = "0/2 * * * * ?") //定時(shí)任務(wù)運(yùn)行的方法
    public void demo1() {
        SimpleDateFormat dataFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        System.out.println(dataFormat.format(new Date()) + "  Quartz Running!");
    }
	@Override
    @Scheduled(cron = "0/5 * * * * ?") //定時(shí)任務(wù)運(yùn)行的方法
    public void demo2() {
        SimpleDateFormat dataFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        System.out.println("\n當(dāng)前執(zhí)行時(shí)間: " + dataFormat.format(new Date()) + "\n");
    }
}

<!--定時(shí)組件-->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-quartz</artifactId>
</dependency>

package com.cd.o2o2.config.quartz;
import com.cd.o2o2.service.ProductSellDailyService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.quartz.CronTriggerFactoryBean;
import org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean;
import org.springframework.scheduling.quartz.SchedulerFactoryBean;
@Configuration //標(biāo)注@Configuration的類，相當(dāng)于一個(gè)xml配置文件
public class QuartzConfiguration {
    @Autowired
    private ProductSellDailyService productSellDailyService;
    @Autowired
    private MethodInvokingJobDetailFactoryBean jobDetailFactory;
    @Autowired
    private CronTriggerFactoryBean cronTriggerFactory;
    /**
     * 配置jobDetail作業(yè)類
     * @return
     */
    @Bean(name = "jobDetailFactory") //標(biāo)注@Bean后表明返回對(duì)象會(huì)被當(dāng)做一個(gè)Bean注冊(cè)到Spring IoC容器
    public MethodInvokingJobDetailFactoryBean createJobDetail(){
        MethodInvokingJobDetailFactoryBean jobDetailFactoryBean = new MethodInvokingJobDetailFactoryBean();
        //指定任務(wù)名稱
        jobDetailFactoryBean.setName("product_sell_daily_job");
        //指定組名稱
        jobDetailFactoryBean.setGroup("job_product_sell_daily_group");
        /*
          對(duì)于同一個(gè)JobDetail，當(dāng)指定多個(gè)trigger時(shí)，很可能第一個(gè)job完成之前，第二個(gè)job就開始了
          指定concurrent屬性為false，多個(gè)job就會(huì)串行執(zhí)行，而不會(huì)并發(fā)執(zhí)行，即第一個(gè)job完成前，第二個(gè)job不會(huì)開啟
         */
        jobDetailFactoryBean.setConcurrent(false);
        //指定具體的job任務(wù)類
        jobDetailFactoryBean.setTargetObject(productSellDailyService);
        //指定運(yùn)行任務(wù)的方法
        jobDetailFactoryBean.setTargetMethod("dailyCalculate");
        return jobDetailFactoryBean;
    }
    /**
     * 配置cronTrigger觸發(fā)器（作業(yè)調(diào)度的方式）
     * @return
     */
    @Bean(name = "cronTriggerFactory")
    public CronTriggerFactoryBean createProductSellDailyTrigger(){
        CronTriggerFactoryBean triggerFactory = new CronTriggerFactoryBean();
        //指定trigger的名稱
        triggerFactory.setName("product_sell_daily_trigger");
        //指定trigger的組名
        triggerFactory.setGroup("job_product_sell_daily_group");
        //指定trigger綁定的job
        triggerFactory.setJobDetail(jobDetailFactory.getObject());
        //設(shè)置cron表達(dá)式，每天凌晨定時(shí)運(yùn)行（通過(guò)在線Cron表達(dá)式生成器來(lái)生成）
        triggerFactory.setCronExpression("0/2 * * * * ?");
        return triggerFactory;
    }
    /**
     * 配置scheduler調(diào)度工廠
     * @return
     */
    @Bean
    public SchedulerFactoryBean createScheduler(){
        SchedulerFactoryBean schedulerFactory = new SchedulerFactoryBean();
        //綁定cronTrigger
        schedulerFactory.setTriggers(cronTriggerFactory.getObject());
        return schedulerFactory;
    }
}

package com.cd.o2o2.service.impl;
import com.cd.o2o2.service.ProductSellDailyService;
import org.springframework.stereotype.Service;
import java.util.Date;
@Service("productSellDailyService")
public class ProductSellDailyServiceImpl implements ProductSellDailyService {
    /**
     * 定時(shí)任務(wù)運(yùn)行的方法
     */
    @Override
    public void dailyCalculate() {
        System.out.println(new Date()+": Quartz Running!");
    }
}