System.out.println(new Date("Mon Jul 13 11:48:10 CST 2020"));//错误写法,有时区的原因
以下是正确的做法 String date = "Mon Jul 13 11:48:10 CST 2020"; SimpleDateFormat sdf = new SimpleDateFormat("EEE MMM dd HH:mm:ss z yyyy",Locale.US); Date d=sdf.parse(date); System.out.println(d.toString()); DateTimeFormatter df = DateTimeFormatter.ofPattern("EEE MMM dd HH:mm:ss z yyyy",Locale.US); LocalDateTime ldt = LocalDateTime.parse("Mon Jul 13 11:48:10 CST 2020",df); System.out.println(ldt.getDayOfMonth()); System.out.println(ldt.getHour()); System.out.println(ldt.toString());
LocalDateTime dateTime =LocalDateTime.ofEpochSecond(1594612090000L/1000,0, ZoneOffset.ofHours(8)); System.out.println(dateTime.toString());
//获取秒数 Long second = LocalDateTime.now().toEpochSecond(ZoneOffset.of("+8")); //获取毫秒数 Long milliSecond = LocalDateTime.now().toInstant(ZoneOffset.of("+8")).toEpochMilli();