Joda-Time时间格式转换

1. String转DateTime，DateTime转时间戳，DateTime转Date

DateTimeFormatter yyyyMMdd = DateTimeFormat.forPattern("yyyyMMdd");
DateTime dateTime = DateTime.parse("20191122", yyyyMMdd);
long millis = dateTime.getMillis();
Date date = dateTime.toDate();

2. Date转DateTime，DateTime转String

DateTime dateTime = new DateTime(new Date());
String dateFormat = dateTime.toString("yyyy/MM/dd");

3. 时间戳转DateTime，DateTime转String

long millis = System.currentTimeMillis(); DateTime dateTime = new DateTime(millis); String dateFormat = dateTime.toString("yyyy/MM/dd");