1.簡單的controller進行調用測試。
@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();
}
}
}
2.處理任務的service。
@Configuration // 配置
public class QuartzScheduler {
// 任務調度
@Autowired
private Scheduler scheduler;
/**
* 開始執行所有任務
*
* @throws SchedulerException
*/
public void startJob() throws SchedulerException {
startJob1(scheduler);
scheduler.start();
}
/**
* 開始某個任務
* @throws SchedulerException
*/
private void startJob1(Scheduler scheduler) throws SchedulerException {
// 通過JobBuilder構建JobDetail實例,JobDetail規定只能是實現Job接口的實例
// JobDetail 是具體Job實例
JobDetail jobDetail = JobBuilder.newJob(SchedulerQuartzJob1.class).withIdentity("job1", "group1").build();
// 基於表達式構建觸發器
CronScheduleBuilder cronScheduleBuilder = CronScheduleBuilder.cronSchedule("0/5 * * * * ?");
// CronTrigger表達式觸發器 繼承於Trigger
// TriggerBuilder 用於構建觸發器實例
CronTrigger cronTrigger = TriggerBuilder.newTrigger().withIdentity("job1", "group1")
.withSchedule(cronScheduleBuilder).build();
scheduler.scheduleJob(jobDetail, cronTrigger);
}
/**
* 獲取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());
}
/**
* 修改某個任務的執行時間
* @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;
}
/**
* 暫停所有任務
*
* @throws SchedulerException
*/
public void pauseAllJob() throws SchedulerException {
scheduler.pauseAll();
}
/**
* 暫停某個任務
*
* @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);
}
/**
* 恢復所有任務
*
* @throws SchedulerException
*/
public void resumeAllJob() throws SchedulerException {
scheduler.resumeAll();
}
/**
* 恢復某個任務
*
* @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);
}
/**
* 刪除某個任務
*
* @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);
}
}
3.定義任務。
public class SchedulerQuartzJob1 implements Job{
private void before(){
System.out.println("任務開始執行");
}
@Override
public void execute(JobExecutionContext arg0) throws JobExecutionException {
before();
System.out.println("開始:"+System.currentTimeMillis());
// TODO 業務
System.out.println("結束:"+System.currentTimeMillis());
after();
}
private void after(){
System.out.println("任務一次執行結束");
}
}
4.監聽器加載注入定時器。
@Configuration
public class ApplicationStartQuartzJobListener implements ApplicationListener<ContextRefreshedEvent>{
@Autowired
private QuartzScheduler quartzScheduler;
/**
* 初始啓動quartz
*/
@Override
public void onApplicationEvent(ContextRefreshedEvent event) {
try {
quartzScheduler.startJob();
System.out.println("任務已經啓動...");
} 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();
}
}
5.pom.xml中需要加入的依賴。
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>2.2.1</version>
</dependency>