Quartz是一个开源的作业调度框架，它完全由Java写成，并设计用于J2SE和J2EE应用中。它提供了巨大的灵 活性而不牺牲简单性。你能够用它来为执行一个作业而创建简单的或复杂的调度。
eg:
jar
entity (Plan)
public class Plan {
//时间
private String date;
//任务
private String task;
public String getDate() {
return date;
}
public void setDate(String date) {
this.date = date;
}
public String getTask() {
return task;
}
public void setTask(String task) {
this.task = task;
}
public Plan(String date, String task) {
this.date = date;
this.task = task;
}
public Plan() {
}
}
service (RemindService)
public class RemindService {
public void printMessage(){
List<Plan> list = getPlansForTooday();
for (Plan plan : list) {
System.out.println("计划的时间"+plan.getDate()+plan.getTask());
}
}
private List<Plan> getPlansForTooday() {
List<Plan> list = new ArrayList<Plan>();
Plan plan1 = new Plan("2016年11月3日","月底可以购买回家的车票");
Plan plan2 = new Plan("2016年11月3日","webService");
list.add(plan2);
list.add(plan1);
return list;
}
}
quartz (Remindjob)
public class RemindJob implements Job {
private RemindService service=new RemindService();
@Override
public void execute(JobExecutionContext arg0) throws JobExecutionException {
service.printMessage();
}
public RemindService getService() {
return service;
}
public void setService(RemindService service) {
this.service = service;
}
}
测试类
一分钟后只运行一次
public class MyTest {
public static void tool() throws SchedulerException{
//一 构建job
JobDetail job = JobBuilder.newJob(RemindJob.class)//
.withIdentity("job1","group1")//
.build();
//二 构建Trigger
Date runTime = DateBuilder.evenMinuteDate(new Date());
Trigger trigger = TriggerBuilder.newTrigger().withIdentity("trigger1", "group1")//
.withSchedule(SimpleScheduleBuilder.simpleSchedule()
.startAt(runTime)//
.build();//
//三 绑定job和rigger
SchedulerFactory sf = new StdSchedulerFactory();
Scheduler sched = sf.getScheduler();
sched.scheduleJob(job,trigger);
sched.start();
}
public static void main(String[] args) throws SchedulerException {
tool();
}
每两秒运行一次
public class MyTest {
public static void tool() throws SchedulerException{
//一 构建job
JobDetail job = JobBuilder.newJob(RemindJob.class)//
.withIdentity("job1","group1")//
.build();
//二 构建Trigger
Trigger trigger = TriggerBuilder.newTrigger().withIdentity("trigger1", "group1")//
.withSchedule(SimpleScheduleBuilder.simpleSchedule()
.withIntervalInSeconds(2)
.repeatForever())
.startAt(new Date(System.currentTimeMillis()+2000))
.build();//
//三 绑定job和rigger
SchedulerFactory sf = new StdSchedulerFactory();
Scheduler sched = sf.getScheduler();
sched.scheduleJob(job,trigger);
sched.start();
}
public static void main(String[] args) throws SchedulerException {
tool();
}
}
表达式
public static void tools() throws SchedulerException{
//一 构建job
JobDetail job = JobBuilder.newJob(RemindJob.class)//
.withIdentity("job1","group1")//
.build();
//二 构建Trigger
Trigger trigger = TriggerBuilder.newTrigger().withIdentity("trigger1", "group1")//
.withSchedule(CronScheduleBuilder.cronSchedule("0 0 12 * * ?"))
.startAt(new Date()).build();
//三 绑定job和rigger
SchedulerFactory sf = new StdSchedulerFactory();
Scheduler sched = sf.getScheduler();
sched.scheduleJob(job,trigger);
sched.start();
}
public static void main(String[] args) throws SchedulerException {
tool();
tools();
}
表达式的特殊字符