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Public class DateUtil {/** * get the system timestamp * @return
     */
    public long getCurTimeLong(){
        long time=System.currentTimeMillis();
        returntime; } /** * get the current time * @param pattern * @return
     */
    public static String getCurDate(String pattern){
        SimpleDateFormat sDateFormat = new SimpleDateFormat(pattern);
        returnsDateFormat.format(new java.util.Date()); } /** * the timestamp is converted to the character channel@param milSecond * @param pattern * @return
     */
    public static String getDateToString(long milSecond, String pattern) {
        Date date = new Date(milSecond);
        SimpleDateFormat format = new SimpleDateFormat(pattern);
        returnformat.format(date); } /** * convert a string to a timestamp * @param dateString * @param pattern * @return
     */
    public static long getStringToDate(String dateString, String pattern) {
        SimpleDateFormat dateFormat = new SimpleDateFormat(pattern);
        Date date = new Date();
        try{
            date = dateFormat.parse(dateString);
        } catch(ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        returndate.getTime(); }}Copy the code