Date转化为时间戳
//Date或者String转化为时间戳
SimpleDateFormat format = newSimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = format.parse(time);
System.out.print("Format To times:"+date.getTime());
时间说转化为Date
//时间戳转化为Sting或Date
SimpleDateFormat format = newSimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Long time=newLong(445555555);
String d = format.format(time);
Date date=format.parse(d);
System.out.println("Format To String(Date):"+d);
System.out.println("Format To Date:"+date);