jmeter遍历时间戳

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

//10位的秒级时间戳
long time1 = ${start};
String result1 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(time1 * 1000));
vars.put("result1",result1);
log.info("10位时间戳（秒）--->Date:" +result1);

 //13位的毫秒级时间戳
//double time2 = 1515730332000d;
//String result2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(time2);
//System.out.println("13位数的时间戳（毫秒）--->Date:" + result2);