public static String dateToStrLong(Date dateDate) {
        String dateString = FORMATTER_LONG.format(dateDate);
        return dateString;
    }
public static String dateToStrLong(Date dateDate) {
        String dateString = FORMATTER_LONG.format(dateDate);
        return dateString;
    }
public static String dateToStrLong ( Date dateDate ) { String dateString = FORMATTER_LONG . format ( dateDate ) ; return dateString ; }
将长时间格式时间转换为字符串 yyyy-MM-dd HH:mm:ss

@param dateDate
@return
将长时间格式时间转换为字符串 yyyy - MM - dd HH : mm : ss