java日期格式转换毫秒

public static void main(String[] args) {

 String time="2017-06-24 14:41";
 String str = "201104141302";
 SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm");
 //1498286400000 
 //1498286460000
 long millionSeconds;
try {
millionSeconds = sdf.parse(time).getTime();
System.out.println(millionSeconds);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} 
  
 }
 
}