java日期SimpleDateFormat格式

public class ParseDate {
 
public final static String FREQUENCY_DATE = "D";
public final static String FREQUENCY_WEEK = "W";
public final static String FREQUENCY_MONTH = "M";
public final static String FREQUENCY_SEASON = "Q";
public final static String FREQUENCY_YEAR = "Y";
public final static String CHINA_DATE = "yyyy年MM月dd日";
public final static String DATE_FORMAT_STR = "yyyy-MM-dd";
public final static String SECOND_FORMAT_STR = "yyyy-MM-dd HH:mm:ss";
public final static String MILISECOND_FORMAT_STR = "yyyy-MM-dd HH:mm:ss SS";
public final static String MINUTE_FORMAT_STR = "yyyy-MM-dd HH:mm";
public final static String HOUR_MINUTE_SECOND = "HH:mm:ss";
public final static String HOUR_MINUTE = "HH:mm";
public final static String MILISECOND_FORMAT_STR_SHORT = "yyyyMMddHHmmssSS";

public final static String TIME_ZONE_GREEN = "Etc/Greenwich";

public static String getSysSecTime() {
Date date = new Date();
SimpleDateFormat sf = getDataFormat(SECOND_FORMAT_STR);
return sf.format(date);
}

}