时间戳的实际使用

package com.asiainfo.openapi.component;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Lazy;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import com.asiainfo.openapi.service.ISyncMetaInfoService;

@EnableScheduling
@Component
@Lazy(false)
public class ScheduledQuartz {
 
 @Autowired
 private ISyncMetaInfoService syncService;
 
// @Scheduled(cron= "0 0/1 15,* * * ?")
// public void test() {
//        System.out.println("测试每分钟执行一次:" + new Date()); 
//    }
 
 //0 0 1 ? * L 每周星期天凌晨1点实行一次;0 44 22 ? * SAT 每个周六的22:44执行
 //0 0/2 * * * ? 每隔2分钟
//  "0 15 10 ? * MON-FRI" 周一至周五的上午10:15触发 
 @Scheduled(cron= "0 44 22 ? * SAT")
// @Scheduled(cron= "0 */5 * * * ?")
 public void run() throws ParseException {
  long createTimes = System.currentTimeMillis() - 7*24*60*60*1000;
  long createTime = createTimes/1000;
  syncService.syncIncMetaDataByTime(createTime);
        System.out.println("时间戳" + createTime);
       
        System.out.println("当前时间" + new Date());
        System.out.println("执行时间" + new Date(createTimes)); 
       
    }
 /*public static void main(String[] args) throws ParseException {
  ScheduledQuartz scheduledQuartz = new ScheduledQuartz();
  scheduledQuartz.run();
  
 }*/
}