时间戳
Timestamp d = new Timestamp(System.currentTimeMillis());
SimpleDateFormat myDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");(格式自定义)
String date = myDateFormat.format(new Date(d.getTime()));
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SimpleDateFormat myDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");(格式自定义)
String date = myDateFormat.format(new Date("registerTime"));
timestamp d = new Date("registerTime"); SimpleDateFormat myDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");(格式自定义)
String date = myDateFormat.format(new Date(d.getTime()));