자바 시간 변환 문자열을 타임 스탬프로

Timestamp time = new Timestamp (new SimpleDateFormat ( "yyyy-MM-dd"). parse ( "2021-02-19"). getTime ());

//数据库时间戳转换
public static String dealDateFormat(String oldDate) {
    Date date1 = null;
    DateFormat df2 = null;
    try {
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
        Date date = df.parse(oldDate);
        SimpleDateFormat df1 = new SimpleDateFormat ("EEE MMM dd HH:mm:ss Z yyyy", Locale.UK);
        date1 = df1.parse(date.toString());
        df2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    } catch (ParseException e) {

        e.printStackTrace();
    }
    return df2.format(date1);
}