qq_43153224的博客

UTC时间转换

/** * 获取指定年月的第一天 * * @param day * @return */ public static String getFirstDayOfMonth(String day) { int year = Integer.parseInt(day.substring(0, 4)); int month = Integer.parseInt(day.substring(4, day.length())...

/** * * @param day 每个月的第一天或者最后一天 * @param dayCount dayCount 要加减的日期 * @param type type类型 (0 月初1 月末) * @return */ public static String getCalendar(Integer day, Integer dayCount, String type) { Calendar cl = Calendar.

java中如何把2021-04-05T11:22:23.349+08:00转成Date呢 public static Date dealDateFormat(String oldDateStr) { DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX"); try { Date date = df.parse(oldDateStr); return date; }

java中怎么把2021-02-01T23:17:25+0800转成date呢 上代码 public static Date dealDateFormatReverse(String oldDateStr) { DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ"); try { Date date = df.parse(oldDateStr); ret

public static long dateToMs(String _date) { SimpleDateFormat format = new SimpleDateFormat("MM/dd/yy, hh:mm aa", Locale.ENGLISH); try { Date date = format.parse(_date); return date.getTime(); } catch (Exception e) { retu

//获取指定日期的第一天 public static Integer getFisrtDayOfMonth(Integer date) { Calendar cal = Calendar.getInstance(); //设置年份 cal.set(Calendar.YEAR, Integer.parseInt(String.valueOf(date).substring(0, 4))); //设置月份 cal.set(Calen