Elastic-Job的快速入门，三分钟带你体验分布式定时任务

  <dependencies>
        <dependency>
            <groupId>com.dangdang</groupId>
            <artifactId>elastic-job-lite-core</artifactId>
            <version>2.1.5</version>
        </dependency>
    </dependencies>

public class MyJob implements SimpleJob {
    public void execute(ShardingContext shardingContext) {
        System.out.println("定时任务开始执行了"+ new Date());
    }
}

public class JobDemo {
    public static void main(String[] args) {
        new JobScheduler(createRegistryCenter(), createJobConfiguration()).init();
    }
    private static LiteJobConfiguration createJobConfiguration() {
        //创建作业配置
        JobCoreConfiguration demoSimpleJob = JobCoreConfiguration.newBuilder("demoSimpleJob", "0/3 * * * * ?", 1).build();
        SimpleJobConfiguration simpleJobConfiguration = new SimpleJobConfiguration(demoSimpleJob, MyJob.class.getCanonicalName());
        return LiteJobConfiguration.newBuilder(simpleJobConfiguration).build();
    }
    private static CoordinatorRegistryCenter createRegistryCenter() {
        ZookeeperConfiguration zkConfig = new ZookeeperConfiguration("localhost:2181", "elasticJob");
        zkConfig.setSessionTimeoutMilliseconds(100);
        CoordinatorRegistryCenter elasticJob = new ZookeeperRegistryCenter(zkConfig);
        elasticJob.init();
        return elasticJob;
    }
}