java格林时间和标准时间之间相互转换

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

public class Time {

public static void main(String[] args) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
String datetime = sdf.format(Long.parseLong("1323842302")*1000);
datetime = sdf.format(1325433638000L);  //毫秒转为字符串
System.out.println(datetime);
b();

}

public static void b() {
DateFormat format = new SimpleDateFormat("yyyy/MM/dd hh:mm:ss");
try {
Date myDate = format.parse("2012/01/02 00:00:38");
System.out.println(myDate.toString());
System.out.println(myDate.getTime()); //标准字符串转为毫秒（格林时间）
} catch (ParseException e1) {
e1.printStackTrace();
}
}

}