maven依赖
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>2.2.1</version>
</dependency>
测试Job类
package com.yvan.quartz.job;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
/**
* 实现Job接口
* @author lq
*
*/
public class SchedulerQuartzJob1 implements Job{
private void before(){
System.out.println("任务开始执行");
}
@Override
public void execute(JobExecutionContext arg0) throws JobExecutionException {
before();
System.out.println("开始："+System.currentTimeMillis());
// TODO 业务
System.out.println("结束："+System.currentTimeMillis());
after();
}
private void after(){
System.out.println("任务开始执行");
}
}
任务调用处理
package com.yvan.quartz;
import java.util.Date;
import org.quartz.CronScheduleBuilder;
import org.quartz.CronTrigger;
import org.quartz.JobBuilder;
import org.quartz.JobDetail;
import org.quartz.JobKey;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.TriggerBuilder;
import org.quartz.TriggerKey;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import com.yvan.quartz.job.SchedulerQuartzJob1;
import com.yvan.quartz.job.SchedulerQuartzJob2;
/**
* 任务调度处理
* @author lq
*
*/
@Configuration
public class QuartzScheduler {
// 任务调度
@Autowired
private Scheduler scheduler;
/**
* 开始执行所有任务
*
* @throws SchedulerException
*/
public void startJob() throws SchedulerException {
startJob1(scheduler);
startJob2(scheduler);
scheduler.start();
}
/**
* 获取Job信息
*
* @param name
* @param group
* @return
* @throws SchedulerException
*/
public String getJobInfo(String name, String group) throws SchedulerException {
TriggerKey triggerKey = new TriggerKey(name, group);
CronTrigger cronTrigger = (CronTrigger) scheduler.getTrigger(triggerKey);
return String.format("time:%s,state:%s", cronTrigger.getCronExpression(),
scheduler.getTriggerState(triggerKey).name());
}
/**
* 修改某个任务的执行时间
*
* @param name
* @param group
* @param time
* @return
* @throws SchedulerException
*/
public boolean modifyJob(String name, String group, String time) throws SchedulerException {
Date date = null;
TriggerKey triggerKey = new TriggerKey(name, group);
CronTrigger cronTrigger = (CronTrigger) scheduler.getTrigger(triggerKey);
String oldTime = cronTrigger.getCronExpression();
if (!oldTime.equalsIgnoreCase(time)) {
CronScheduleBuilder cronScheduleBuilder = CronScheduleBuilder.cronSchedule(time);
CronTrigger trigger = TriggerBuilder.newTrigger().withIdentity(name, group)
.withSchedule(cronScheduleBuilder).build();
date = scheduler.rescheduleJob(triggerKey, trigger);
}
return date != null;
}
/**
* 暂停所有任务
*
* @throws SchedulerException
*/
public void pauseAllJob() throws SchedulerException {
scheduler.pauseAll();
}
/**
* 暂停某个任务
*
* @param name
* @param group
* @throws SchedulerException
*/
public void pauseJob(String name, String group) throws SchedulerException {
JobKey jobKey = new JobKey(name, group);
JobDetail jobDetail = scheduler.getJobDetail(jobKey);
if (jobDetail == null)
return;
scheduler.pauseJob(jobKey);
}
/**
* 恢复所有任务
*
* @throws SchedulerException
*/
public void resumeAllJob() throws SchedulerException {
scheduler.resumeAll();
}
/**
* 恢复某个任务
*
* @param name
* @param group
* @throws SchedulerException
*/
public void resumeJob(String name, String group) throws SchedulerException {
JobKey jobKey = new JobKey(name, group);
JobDetail jobDetail = scheduler.getJobDetail(jobKey);
if (jobDetail == null)
return;
scheduler.resumeJob(jobKey);
}
/**
* 删除某个任务
*
* @param name
* @param group
* @throws SchedulerException
*/
public void deleteJob(String name, String group) throws SchedulerException {
JobKey jobKey = new JobKey(name, group);
JobDetail jobDetail = scheduler.getJobDetail(jobKey);
if (jobDetail == null)
return;
scheduler.deleteJob(jobKey);
}
private void startJob1(Scheduler scheduler) throws SchedulerException {
// 通过JobBuilder构建JobDetail实例，JobDetail规定只能是实现Job接口的实例
// JobDetail 是具体Job实例
JobDetail jobDetail = JobBuilder.newJob(SchedulerQuartzJob1.class).withIdentity("job1", "group1").build();
// 基于表达式构建触发器
CronScheduleBuilder cronScheduleBuilder = CronScheduleBuilder.cronSchedule("0/5 * * * * ?");
// CronTrigger表达式触发器 继承于Trigger
// TriggerBuilder 用于构建触发器实例
CronTrigger cronTrigger = TriggerBuilder.newTrigger().withIdentity("job1", "group1")
.withSchedule(cronScheduleBuilder).build();
scheduler.scheduleJob(jobDetail, cronTrigger);
}
private void startJob2(Scheduler scheduler) throws SchedulerException {
JobDetail jobDetail = JobBuilder.newJob(SchedulerQuartzJob2.class).withIdentity("job2", "group2").build();
CronScheduleBuilder cronScheduleBuilder = CronScheduleBuilder.cronSchedule("0 0/5 * * * ?");
CronTrigger cronTrigger = TriggerBuilder.newTrigger().withIdentity("job2", "group2")
.withSchedule(cronScheduleBuilder).build();
scheduler.scheduleJob(jobDetail, cronTrigger);
}
}
Scheduler 注入
package com.yvan.quartz;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.SchedulerFactory;
import org.quartz.impl.StdSchedulerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.event.ContextRefreshedEvent;
@Configuration
public class ApplicationStartQuartzJobListener implements ApplicationListener<ContextRefreshedEvent>{
@Autowired
private QuartzScheduler quartzScheduler;
/**
* 初始启动quartz
*/
@Override
public void onApplicationEvent(ContextRefreshedEvent event) {
try {
quartzScheduler.startJob();
System.out.println("任务已经启动...");
} catch (SchedulerException e) {
e.printStackTrace();
}
}
/**
* 初始注入scheduler
* @return
* @throws SchedulerException
*/
@Bean
public Scheduler scheduler() throws SchedulerException{
SchedulerFactory schedulerFactoryBean = new StdSchedulerFactory();
return schedulerFactoryBean.getScheduler();
}
}
封装API
package com.yvan.controller.quartzApi;
import org.quartz.SchedulerException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.yvan.quartz.QuartzScheduler;
/**
* 这里并没有采用restful风格 只是简单封装了一下api
*
* @author lq
*
*/
@RestController
@RequestMapping("/quartz")
public class QuartzApiController {
@Autowired
private QuartzScheduler quartzScheduler;
@RequestMapping("/start")
public void startQuartzJob() {
try {
quartzScheduler.startJob();
} catch (SchedulerException e) {
e.printStackTrace();
}
}
@RequestMapping("/info")
public String getQuartzJob(String name, String group) {
String info = null;
try {
info = quartzScheduler.getJobInfo(name, group);
} catch (SchedulerException e) {
e.printStackTrace();
}
return info;
}
@RequestMapping("/modify")
public boolean modifyQuartzJob(String name, String group, String time) {
boolean flag = true;
try {
flag = quartzScheduler.modifyJob(name, group, time);
} catch (SchedulerException e) {
e.printStackTrace();
}
return flag;
}
@RequestMapping(value = "/pause")
public void pauseQuartzJob(String name, String group) {
try {
quartzScheduler.pauseJob(name, group);
} catch (SchedulerException e) {
e.printStackTrace();
}
}
@RequestMapping(value = "/pauseAll")
public void pauseAllQuartzJob() {
try {
quartzScheduler.pauseAllJob();
} catch (SchedulerException e) {
e.printStackTrace();
}
}
@RequestMapping(value = "/delete")
public void deleteJob(String name, String group) {
try {
quartzScheduler.deleteJob(name, group);
} catch (SchedulerException e) {
e.printStackTrace();
}
}
}
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