UNIX YYYYMMDDHHMMSS.miliseconds格式的Java日期

Question

我想沒有日期時間在Java

UNIX格式

YYYYMMDDHHMMSS.miliseconds

UNIX串20170817134131.384

string val = "20170817134131.384"; 
     if (val != null) { 
      SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss"); 
      try { 
       date = df.parse(String.valueOf(val)); 
      } catch (ParseException e) { 
       throw new RuntimeException("Failed to parse date: ", e); 
      } 
      return date; 
     } 

Answer 1

這裏有一個簡單的解決方案將unix時間轉換爲localDate，然後您可以自由設置其格式：

long time = 1491231860; 
final LocalDate localDate = LocalDate.fromMillisSinceEpoch(unixSeconds);