quartz定时器入门示例
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- 1.首先创建一个作业(Job) 代码如下:
package quartz.yl;import java.text.SimpleDateFormat;import java.util.Date;import org.quartz.Job;import org.quartz.JobExecutionContext;import org.quartz.JobExecutionException;public class HelloQuartz implements Job{ private SimpleDateFormat sdf= new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); @Override public void execute(JobExecutionContext arg0) throws JobExecutionException { System.out.println(sdf.format(new Date())+" hello Quartz"); }}
- 2.创建一个调度器(Schedule) 来调度作业。代码如下:
package quartz.yl;import java.text.SimpleDateFormat;import org.quartz.CronScheduleBuilder;import org.quartz.JobBuilder;import org.quartz.JobDetail;import org.quartz.Scheduler;import org.quartz.SchedulerException;import org.quartz.SchedulerFactory;import org.quartz.Trigger;import org.quartz.TriggerBuilder;import org.quartz.impl.StdSchedulerFactory;public class HelloQuartzTest {// @Test public void test1() throws SchedulerException, InterruptedException { SimpleDateFormat sdf= new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); //创建调度器工厂 SchedulerFactory scheFac = new StdSchedulerFactory(); //获取调度器 Scheduler sched=scheFac.getScheduler(); //获取job实例 JobDetail job = JobBuilder.newJob(HelloQuartz.class).withIdentity("job1","group1").build(); Trigger trigger =TriggerBuilder.newTrigger().withIdentity("trriger1","group1") .withSchedule(CronScheduleBuilder.cronSchedule("0/5 * * * * ? ")) .startNow().build(); sched.scheduleJob(job, trigger); //启动调度 sched.start(); Thread.sleep(65L * 1000L); sched.shutdown(); System.out.println(job.getKey() +" "+trigger.getKey()+ " 定时任务结束: "); } public static void main(String[] args) throws SchedulerException, InterruptedException { HelloQuartzTest h =new HelloQuartzTest(); h.test1(); }}
运行结果如下:
上述代码中需要的jar 可以下载jar包 ,也可以用maven 下载。如果用maven,pom文件参考下面代码:
<properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <springversion>4.3.7.RELEASE</springversion> <quartz.version>2.2.1</quartz.version> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>${springversion}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${springversion}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>${springversion}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${springversion}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${springversion}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${springversion}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${springversion}</version> </dependency> <!-- sheduler --> <dependency> <groupId>org.quartz-scheduler</groupId> <artifactId>quartz</artifactId> <version>${quartz.version}</version> </dependency> <dependency> <groupId>commons-lang</groupId> <artifactId>commons-lang</artifactId> <version>2.6</version> </dependency> </dependencies>
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