Java中Timestamp与String之间的转化

1、Timestamp转String

public String changeTime(Timestamp time){
    if (null != time) {
        return new SimpleDateFormat("yyyy-MM-dd").format(time);
    } else {
        return "";
    }
}

2、String转Timestamp

public Timestamp changeDate(String time) throws Exception(){
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
    if (StringUtils.isEmpty(time)) {
        return null;
    }
    Date date = sdf.parse(time);
    Timestamp ctime = new Timestamp(date.getTime());
    return ctime;
}

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