java日期到Unix时间戳
我有一个字符串看起来像“2015-06-07 16:01:33.0”。我想把它转换成unix时间戳。首先,我使用Calendar
实用程序将其转换为Date
对象。如何将日期转换为大纪元时间
String origintime = "2015-06-07 16:01:33.0";
String year = origintime.split(" ")[0].split("-")[0];
String month = origintime.split(" ")[0].split("-")[1];
String day = origintime.split(" ")[0].split("-")[2];
String hour = origintime.split(" ")[1].split(":")[0];
String mins = origintime.split(" ")[1].split(":")[1];
String secs = origintime.split(" ")[1].split(":")[2].replace(".0","");
Calendar cal = Calendar.getInstance();
cal.set(Calendar.DAY_OF_MONTH, Integer.parseInt(day));
cal.set(Calendar.MONTH, Integer.parseInt(month));
cal.set(Calendar.YEAR, Integer.parseInt(year));
cal.set(Calendar.HOUR_OF_DAY,Integer.parseInt(hour));
cal.set(Calendar.MINUTE,Integer.parseInt(mins));
cal.set(Calendar.SECOND,Integer.parseInt(secs));
String strdate = null;
SimpleDateFormat sdf = new SimpleDateFormat("YYYY-MM-dd HH:mm:ss");
if (cal != null) {
strdate = sdf.format(cal.getTime());
}
System.out.println(strdate);
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