Spring boot + Quartz 动态任务调度
测试页面
@Component
public class TestTimeTask {/**
* 首次延时1s，然后每2秒执行一次 initialDelay = 1000,fixedRate = 2000
* cron 表达式 和 (10/2 * * * * ?) initialDelay = 1000,fixedRate = 2000 一样的效果
*/
@Scheduled(initialDelay = 1000,fixedRate = 2000)
public void task()
{
System.out.println(new Date()+" 定时任务器已经执行了!");
try {
SchedulerFactory gSchedulerFactory = new StdSchedulerFactory();
Scheduler sche = gSchedulerFactory.getScheduler();
String job_name = "动态任务调度信息";
String JOB_GROUP_NAME = "EXTJWEB_JOBGROUP_NAMESTR"; // 任务组
String TRIGGER_GROUP_NAME = "EXTJWEB_TRIGGERGROUP_NAMESTR"; // 触发器组
System.out.println("【系统启动】开始(每1秒输出一次)...");
QuartzManager.addJob(sche, job_name,JOB_GROUP_NAME,TRIGGER_GROUP_NAME, QuartzJobExample.class, "0/1 * * * * ?");
Thread.sleep(3000);
System.out.println("【修改时间】开始(每2秒输出一次)...");
QuartzManager.modifyJobTime(sche, job_name, "10/2 * * * * ?",JOB_GROUP_NAME,TRIGGER_GROUP_NAME);
Thread.sleep(4000);
System.out.println("【移除定时】开始...");
QuartzManager.removeJob(sche, job_name,JOB_GROUP_NAME,TRIGGER_GROUP_NAME);
System.out.println("【移除定时】成功");
System.out.println("【再次添加定时任务】开始(每5秒输出一次)...");
QuartzManager.addJob(sche, job_name,JOB_GROUP_NAME,TRIGGER_GROUP_NAME, QuartzJobExample.class, "*/5 * * * * ?");
Thread.sleep(30000);
System.out.println("【移除定时】开始...");
QuartzManager.removeJob(sche, job_name,JOB_GROUP_NAME,TRIGGER_GROUP_NAME);
System.out.println("【移除定时】成功");
} catch (Exception e) {
e.printStackTrace();
}
}
}
/**
* Quartz调度管理器
* @author Lsy
*
*/
public class QuartzManager {
/**
* @Description: 添加一个定时任务，使用默认的任务组名，触发器名，触发器组名
*
* @param sched
* 调度器
*
* @param jobName
* 任务名
* @param cls
* 任务
* @param time
* 时间设置，参考quartz说明文档
*
* @Title: QuartzManager.java
*/
public static void addJob(Scheduler sched, String jobName,String JOB_GROUP_NAME,String TRIGGER_GROUP_NAME, @SuppressWarnings("rawtypes") Class cls, String time) {
try {
JobDetail jobDetail = new JobDetail(jobName, JOB_GROUP_NAME, cls);// 任务名，任务组，任务执行类
// 触发器
CronTrigger trigger = new CronTrigger(jobName, TRIGGER_GROUP_NAME);// 触发器名,触发器组
trigger.setCronExpression(time);// 触发器时间设定
sched.scheduleJob(jobDetail, trigger);
// 启动
if (!sched.isShutdown()) {
sched.start();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description: 添加一个定时任务
*
* @param sched
* 调度器
*
* @param jobName
* 任务名
* @param jobGroupName
* 任务组名
* @param triggerName
* 触发器名
* @param triggerGroupName
* 触发器组名
* @param jobClass
* 任务
* @param time
* 时间设置，参考quartz说明文档
*
* @Title: QuartzManager.java
*/
public static void addJob(Scheduler sched, String jobName, String jobGroupName, String triggerName, String triggerGroupName, @SuppressWarnings("rawtypes") Class jobClass, String time) {
try {
JobDetail jobDetail = new JobDetail(jobName, jobGroupName, jobClass);// 任务名，任务组，任务执行类
// 触发器
CronTrigger trigger = new CronTrigger(triggerName, triggerGroupName);// 触发器名,触发器组
trigger.setCronExpression(time);// 触发器时间设定
sched.scheduleJob(jobDetail, trigger);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description: 修改一个任务的触发时间(使用默认的任务组名，触发器名，触发器组名)
*
* @param sched
* 调度器
* @param jobName
* @param time
*
* @Title: QuartzManager.java
*/
@SuppressWarnings("rawtypes")
public static void modifyJobTime(Scheduler sched, String jobName, String time,String JOB_GROUP_NAME,String TRIGGER_GROUP_NAME) {
try {
CronTrigger trigger = (CronTrigger) sched.getTrigger(jobName, TRIGGER_GROUP_NAME);
if (trigger == null) {
return;
}
String oldTime = trigger.getCronExpression();
if (!oldTime.equalsIgnoreCase(time)) {
JobDetail jobDetail = sched.getJobDetail(jobName, JOB_GROUP_NAME);
Class objJobClass = jobDetail.getJobClass();
removeJob(sched, jobName,JOB_GROUP_NAME,TRIGGER_GROUP_NAME);
addJob(sched, jobName,JOB_GROUP_NAME,TRIGGER_GROUP_NAME, objJobClass, time);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description: 修改一个任务的触发时间
*
* @param sched
* 调度器 *
* @param sched
* 调度器
* @param triggerName
* @param triggerGroupName
* @param time
*
* @Title: QuartzManager.java
*/
public static void modifyJobTime(Scheduler sched, String triggerName, String triggerGroupName, String time,String JOB_GROUP_NAME,String TRIGGER_GROUP_NAME) {
try {
CronTrigger trigger = (CronTrigger) sched.getTrigger(triggerName, triggerGroupName);
if (trigger == null) {
return;
}
String oldTime = trigger.getCronExpression();
if (!oldTime.equalsIgnoreCase(time)) {
CronTrigger ct = (CronTrigger) trigger;
// 修改时间
ct.setCronExpression(time);
// 重启触发器
sched.resumeTrigger(triggerName, triggerGroupName);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description: 移除一个任务(使用默认的任务组名，触发器名，触发器组名)
*
* @param sched
* 调度器
* @param jobName
*
* @Title: QuartzManager.java
*/
public static void removeJob(Scheduler sched, String jobName,String JOB_GROUP_NAME,String TRIGGER_GROUP_NAME) {
try {
sched.pauseTrigger(jobName, TRIGGER_GROUP_NAME);// 停止触发器
sched.unscheduleJob(jobName, TRIGGER_GROUP_NAME);// 移除触发器
sched.deleteJob(jobName, JOB_GROUP_NAME);// 删除任务
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description: 移除一个任务
*
* @param sched
* 调度器
* @param jobName
* @param jobGroupName
* @param triggerName
* @param triggerGroupName
*
* @Title: QuartzManager.java
*/
public static void removeJob(Scheduler sched, String jobName, String jobGroupName, String triggerName, String triggerGroupName) {
try {
sched.pauseTrigger(triggerName, triggerGroupName);// 停止触发器
sched.unscheduleJob(triggerName, triggerGroupName);// 移除触发器
sched.deleteJob(jobName, jobGroupName);// 删除任务
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description:启动所有定时任务
*
* @param sched
* 调度器
*
* @Title: QuartzManager.java
*/
public static void startJobs(Scheduler sched) {
try {
sched.start();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description:关闭所有定时任务
*
*
* @param sched
* 调度器
*
*
* @Title: QuartzManager.java
*/
public static void shutdownJobs(Scheduler sched) {
try {
if (!sched.isShutdown()) {
sched.shutdown();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
public class QuartzJobExample implements Job{
@Override
public void execute(JobExecutionContext context) throws JobExecutionException {
System.out.println(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()) + "======");
}
}